| 05th week of 2010 patent applcation highlights part 36 |
| Patent application number | Title | Published |
|---|
| 20100027592 | TECHNIQUE FOR SEARCHING FOR A PREAMBLE SIGNAL IN A SPREAD SPECTRUM SIGNAL USING A FAST HADAMARD TRANSFORM - In one embodiment, a method for demodulating and searching for a preamble signal containing a complex phasor signal is disclosed. The complex phasor is demodulated using a phasor-rotated fast transformer. A received signal is correlated with a spreading code to produce a correlated signal. The correlated signal is coherently accumulated to produce a coherently accumulated signal. A first phasor-rotated signal transformation is performed on a real component of the coherently accumulated signal, and a second phasor-rotated signal transformation is performed on an imaginary component of the coherently accumulated signal. Finally, the signal power of the transformed real and imaginary components of the coherently accumulated signal is determined. | 2010-02-04 |
| 20100027593 | METHOD AND DEVICE FOR RECEIVING A BOC MODULATION RADIO-NAVIGATION SIGNAL - Disclosed is a receiver and a method for receiving a radio-electric navigation signal modulated by a carrier at a frequency f | 2010-02-04 |
| 20100027594 | METHOD AND SYSTEM FOR APPLYING VITERBI TYPE PSK DEMODULATION FOR OPTIMUM CORRELATION OF GPS SIGNALS - A method and system of improving sensitivity in the demodulation of a received signal over an arbitrary measurement time epoch, the method comprising the steps of: correlating the received signal in a coherent fashion; and utilizing a Viterbi phase state keying trellis demodulation with a variable resolution of phase states over 360.degree. to demodulate the radio frequency phase trajectory of the signal throughout the measurement time epoch; and the system comprising a receiver for receiving a direct sequence spread spectrum signal, the receiver comprising: an antenna for receiving the direct sequence spread spectrum signal; a downconverter for downconverting the received signal, producing a downconverted signal; an analog to digital converter ( | 2010-02-04 |
| 20100027595 | Wireless Communication System, Apparatus and Method Thereof - Provided is a wireless communication system, comprising: a wireless communication apparatus which performs adaptive modulation for changing a modulation method and an encoding rate of a data channel, and transmits/receives a signal via MIMO multiplexing. The control information comprises first control information to be used for a MIMO stream separation process and second control information not to be used for the MIMO stream separation process. The selections in the second control information are changed corresponding to selected first control information. The wireless communication apparatus determines the first control information at an update timing of the first control information by referring to the first control information table, determine selections of the second control information based on the determined first control information, and select one of the selections of the second control information among the determined selections of the second control information at an update timing of the second control information. | 2010-02-04 |
| 20100027596 | CLOSED-LOOP DIGITAL POWER CONTROL FOR A WIRELESS TRANSMITTER - A closed loop power output calibration system for variable power output wireless devices. The wireless device includes a wireless transceiver having a transmit core coupled to a discrete power amplifier. Power detection circuitry formed in the wireless transceiver provides a detected power level of the power amplifier, and a reference power level, both of which are converted to digital signals using existing I and Q signal analog to digital converters in the receiver core. The digital signals are processed to cancel power distortion and temperature effects to provide a resulting power feedback signal. Corrective control signals are generated in response to the power feedback signal relative to a desired power output level. The gain in the transmit core is then adjusted in response to the corrective control signals such that the power amplifier outputs the target output power level. | 2010-02-04 |
| 20100027597 | METHOD AND SYSTEM FOR RECONFIGURABLE CHANNEL CODING - Aspects of a reconfigurable system for providing channel coding in a wireless communication device are described. The aspects include a plurality of computation elements for performing channel coding operations and memory for storing programs to direct each of the plurality of computation elements. A controller controls the plurality of computation elements and stored programs to achieve channel coding operations in accordance with a plurality of wireless communication standards. The plurality of computation elements include a data reordering element, a linear feedback shift register (LFSR) element, a convolutional encoder element, and a Viterbi decoder element. | 2010-02-04 |
| 20100027598 | SOFTWARE RADIO TRANSCEIVER - Security performance is improved by a software radio transceiver which can exchange software which is used for demodulation. A radio communication unit receives a radio signal. A conversion unit converts the radio signal received by the radio communication unit into digital data. The transceiver has a plurality of demodulating units which demodulate sub-data. A dividing unit divides the digital data converted by the conversion unit and distributes the sub-data to the plurality of demodulating units. A connection unit connects results obtained after the sub-data divided and distributed to the plurality of demodulating units by the dividing unit was demodulated by each of the demodulating units. | 2010-02-04 |
| 20100027599 | Power Line Communications Adapter - A power line communications (PLC) adapter for connecting to a standard wall outlet and providing power to other electrical devices and connectivity to the PLC network. The adapter includes a PLC modem and a noise isolating filter which prevents high frequency noise from an attached electrical device from affecting the PLC modem and the PLC network. | 2010-02-04 |
| 20100027600 | METHOD OF TRANSMITTING DATA AND MODEM - A method, and corresponding modem, of transmitting data. The method including: modulating the data onto a plurality of carriers with different carrier frequencies, resulting in a transmission signal; notching predetermined frequency bands of the transmission signal, which predetermined frequency bands would otherwise disturb external transmissions; and boosting carriers that are adjacent to the predetermined frequency bands and that would be attenuated because of the notching. | 2010-02-04 |
| 20100027601 | Method and Apparatus for Controlling DSL Line Transmission Power - A method for controlling DSL transmission power includes: determining a group to which a line belongs, and selecting a representative line from each group to form a line model; obtaining a crosstalk model of the line model; obtaining Transmit Power Spectrum Density (TxPSD) of each representative line in the line model according to the crosstalk model, and converting the TxPSD into a spectrum control parameter; and enhancing the line rate according to the spectrum control parameter. An apparatus for controlling DSL transmission power is also disclosed. Through the method, the transmission power of the band that incurs serious line crosstalk is restricted, and the line that incurs serious crosstalk can achieve higher transmission rates. Therefore, the adverse impact from the crosstalk between xDSL lines is reduced, and the line works in the optimum state. | 2010-02-04 |
| 20100027602 | TIME DELAY AND DISTANCE MEASUREMENT - A method for measuring time delay and distance may include providing an electromagnetic radiation carrier frequency and modulating one or more of amplitude, phase, frequency, polarization, and pointing angle of the carrier frequency with a return to zero (RZ) pseudo random noise (PN) code. The RZ PN code may have a constant bit period and a pulse duration that is less than the bit period. A receiver may detect the electromagnetic radiation and calculate the scattering profile versus time (or range) by computing a cross correlation function between the recorded received signal and a three-state RZ PN code kernel in the receiver. The method also may be used for pulse delay time (i.e., PPM) communications. | 2010-02-04 |
| 20100027603 | SYSTEM AND METHOD FOR AUTOMATIC RECOVERY AND COVARIANCE ADJUSTMENT IN LINEAR FILTERS - A communications device includes a time/frequency error measurement circuit that receives a communications signal and measures its timing and frequency errors. A Kalman filter receives the communications signal from the time/frequency error measurement circuit and processes the signal using a multi-level state error covariance matrix P for controlling the Kalman gain in the Kalman filter. An on-line monitoring circuit is operative with the Kalman filter for monitoring the actual state errors in time and frequency and controlling the state error covariance matrix P based on a measured error threshold. | 2010-02-04 |
| 20100027604 | Preamble detection in a Multi-Antenna MIMO 802.16e Receiver - A preamble detector for a plurality of streams of baseband digitized signals has a plurality of preamble processors, each preamble processor coupled to an input and generating an output. Each preamble processor has an input coupled to a first delay, the output of the first delay coupled to a second delay generating an output. The first and second delay are substantially equal to a preamble part. A first multiplier generates an output from a conjugated output of the second delay output and a first delay output. A second multiplier generates an output from a conjugated first delay output and an input stream. The first and second multiplier outputs are accumulated over an interval, and the complex output of the accumulator is formed into a magnitude, thereby generating the output of each preamble processor. The outputs of the preamble processors are summed and compared to a threshold to generate a preamble detect. | 2010-02-04 |
| 20100027605 | OFF-TRACK AWARE EQUALIZER DESIGN FOR BIT-PATTERNED MEDIA - An equalizer employed in conjunction with bit-patterned media (BPM) is designed to take advantage of a common topology associated with BPM in which each data track is comprised of a plurality of sub-tracks. The equalizer-target filter pair is designed as multiple-input/multiple-output (MIMO) system, in which the readback signal is divided into readback signals associated with each sub-track. The MIMO equalizer takes into account differences in the channel response associated with each sub-track. A detector is configured to receive a plurality of equalized inputs provided by the MIMO equalizer, wherein the detector generates in response estimates of the user data stored on each of the plurality of sub-tracks. | 2010-02-04 |
| 20100027606 | Adaptive equalization employing pattern recognition - In described embodiments, an adaptive equalizer employed by a receiver in a communication channel, such as Fibre Channel, employs pattern recognition. When a repeating pattern, such as an IDLE or ARBFF pattern, is employed by a standard to, for example, maintain a communication link, an equalizer of the receiver might adaptively set its equalizer parameters based on characteristics of the signal energy of the repeating pattern rather than adaptively set its equalizer parameters based on characteristics of the signal energy of generally random user data carried on the link. Pattern recognition by the receiver allows for maintaining adaptive equalizer parameters at settings preferred for data detection of the typical random data, improving data detection performance of the receiver when the channel transitions from a preset or synchronization repeating pattern to a user random data pattern. | 2010-02-04 |
| 20100027607 | APPARATUS FOR TIME-DOMAIN PRE-EMPHASIS AND TIME-DOMAIN EQUALIZATION AND ASSOCIATED METHODS - An integrated circuit (IC) includes a transmitter. The transmitter includes a pre-emphasis circuit. The pre-emphasis circuit pre-distorts an input signal by moving in time a sampling point of the input signal. The input signal is thus pre-distorted before transmission to a communication channel. The IC may optionally include a receiver. The receiver includes an equalization circuit. The equalization circuit equalizes a signal received from a communication channel by moving in time a sampling point of the signal received from the communication channel. | 2010-02-04 |
| 20100027608 | Scrambled multicarrier transmission - Signals (typically in the form of OFDM signals) are transmitted between one or more transmitting antennas and one or more receiving antennas. The signals transmitted are subject to addition of a guard interval before scrambling in the time domain, while the signals received are subject to removal of the guard interval after scrambling in the time domain. Preferably time-scrambling of the OFDM signal being transmitted occurs after IFFT processing and guard interval insertion, while time de-scrambling of the signal being received occurs before both guard interval removal and FFT processing. Optionally, unscrambled pilot symbols (e.g. in the form of a training sequence), can be present at regular intervals inside the signal structure. At the receiver, equalization is carried out preferably in the frequency domain. | 2010-02-04 |
| 20100027609 | EQUALIZATION FILTER AND DISTORTION COMPENSATING METHOD - An equalization filter is provided for solving the problem in which there is a limited range in which compensated for distortion of a transmission signal can be made. | 2010-02-04 |
| 20100027610 | EQUALIZER AND EQUALIZATION METHOD - An equalizer generates an equalized sample from a plurality of received samples in which a forward equalizer filters a received sample to generate a FE output. A feedback equalizer filters the equalized sample to generate a FBE output. An integrator adds the FE and FBE outputs to generate the equalized sample. The feedback equalizer comprises first and a second sub-filters. The first sub-filter has a first bit-width capability to generate a first FBE output from the equalized sample. The second sub-filter has a second bit-width capability to generate a second FBE output from the equalized sample. The first bit-width is higher than the second bit-width, and the first and second FBE outputs jointly organize the FBE output. | 2010-02-04 |
| 20100027611 | Adaptive equalization employing pattern recognition - In described embodiments, an adaptive equalizer employed by a receiver in a communication channel, such as Fibre Channel, employs pattern recognition. When a repeating pattern, such as an IDLE or ARBFF pattern, is employed by a standard to, for example, maintain a communication link, an equalizer of the receiver might adaptively set its equalizer parameters based on characteristics of the signal energy of the repeating pattern rather than adaptively set its equalizer parameters based on characteristics of the signal energy of generally random user data carried on the link. Pattern recognition by the receiver allows for maintaining adaptive equalizer parameters at settings preferred for data detection of the typical random data, improving data detection performance of the receiver when the channel transitions from a preset or synchronization repeating pattern to a user random data pattern. | 2010-02-04 |
| 20100027612 | TRANSVERSAL FILTER - A transversal filter circuit comprises a plurality of delay units, a plurality of multiplexers and a plurality of full adders. The plurality of delay units is coupled in series to delay a two-bit input signal. The plurality of multiplexers is coupled to the plurality of delay units in a one-to-one manner, and outputs zero, a data signal, or the inverse of the data signal according to the output signals of the plurality of delay units. The plurality of full adders accumulates the outputs of the plurality of multiplexers and the MSB of the outputs of the plurality of the delay units. | 2010-02-04 |
| 20100027613 | ADAPTIVE LANGUAGE DESCRIPTORS - A disclosed methodology for processing language descriptors includes receiving streaming multimedia content that includes initial language descriptors. Portions of the multimedia content stream are encapsulated into packets that include an indication of the initial language descriptors. Later in time, further language descriptors are received with the streaming multimedia content. As a series of packets created from the multimedia content stream are processed, the indication of received language descriptor is adapted to account for any change in the language of audio tracks received with the streaming multimedia content. | 2010-02-04 |
| 20100027614 | ERROR AWARENESS AND MEANS FOR REMEDYING SAME IN VIDEO DECODING - A DTV receiver having method using elastic decoding method is provided. The method comprises the steps of: receiving a signal for processing; decoding the signal using a source decoder; determining a portion of the signal that are problematic; and using elastic decoding to remedy the portion of the signal that are problematic. | 2010-02-04 |
| 20100027615 | Picture identification for multi-view video coding - According to a general aspect, a picture from a first view, a picture from a second view, and dependency information are accessed. The dependency information describes one or more inter-view dependency relationships for the picture from the first view. Based on the dependency information, it is determined whether the picture from the first view is a reference picture for the picture from the second view. One application area involves determining whether pictures in a decoded picture buffer are reference pictures for pictures that have not yet been decoded. The pictures in the buffer may be marked to indicate whether they continue to be needed as inter-view reference pictures. | 2010-02-04 |
| 20100027616 | SYMBOL-SHARING DIFFERENTIAL PULSE CODE MODULATION ENCODER/DECODER, MULTI-TIME DIFFERENTIAL PULSE CODE MODULATION ENCODER, IMAGE ENCODING/DECODING SYSTEM AND METHOD THEREOF - A symbol-sharing differential pulse code modulation (DPCM) encoder is disclosed. Since the bit widths of DPCM encoded data are truncated in hardware to avoid overflow and symbols are shared in software, the DPCM encoded data have the same number of symbols as original input data do, which effectively reduces symbol lengths and average code length of the output data generated by a Huffman encoder at a rear stage. | 2010-02-04 |
| 20100027617 | METHOD AND APPARATUS FOR COMPRESSING A REFERENCE FRAME IN ENCODING/DECODING MOVING IMAGES - Provided is a method of compressing a reference frame in encoding or decoding moving images. A reference frame to be compressed is divided into basic processing blocks. The basic processing blocks are divided into sub-blocks. A maximum value and a minimum value of pixels within each sub-block are calculated. A necessary bit length needed for compression of each sub-block is obtained based on a difference between the maximum value and the minimum value. An average bit length of the sub-blocks within the basic processing block is calculated based on the calculated necessary bit lengths of the sub-blocks. Bits are variably allocated to each sub-block by adjusting the necessary bit length of each sub-block so that the average bit length of the sub-blocks within a corresponding basic processing block is less than or equal to a preset required bit length. Each sub-block is compressed to the allocated bits. | 2010-02-04 |
| 20100027618 | MEDIA TRANSMITTING/RECEIVING METHOD, MEDIA TRANSMITTING METHOD, MEDIA RECEIVING METHOD, MEDIA TRANSMITTING/RECEIVING APPARATUS, MEDIA TRANSMITTING APPARATUS, MEDIA RECEIVING APPARATUS, GATEWAY APPARATUS, AND MEDIA SERVER - This invention comprise a connection call processing unit for exchanging settings of encoded data and redundant data stored in each packet, and a setting of at least any one of encoding bit rates of a sound encoding unit and a redundant data generating unit, between the media transmitting/receiving apparatus, and a sound decoding unit for decoding at least any one of the encoded data and the redundant data based on the setting of the encoding bit rate exchanged between the media transmitting/receiving apparatuses, wherein the encoded data and the redundant data are separated from each packet based on the setting of the data stored in the packets exchanged between the media transmitting/receiving apparatuses, and lost encoded data is compensated with the redundant data, and thereby degradation of the media quality is prevented even when the packet loss occurs in transferring media encoded data in the packets via an IP network. | 2010-02-04 |
| 20100027619 | METHOD AND APPARATUS FOR ENCODING AND/OR DECODING VIDEO DATA USING ADAPTIVE PREDICTION ORDER FOR SPATIAL AND BIT DEPTH PREDICTION - A scalable video bitstream may have an H.264/AVC compatible base layer (BL) and a scalable enhancement layer (EL), where scalability refers to color bit depth. The H.264/AVC scalability extension SVC provides also other types of scalability, e.g. spatial scalability where the number of pixels in BL and EL are different. According to the invention, BL information is upsampled (TUp,BDUp) in two logical steps in adaptive order, one being texture upsampling and the other being bit depth upsampling. Texture upsampling is a process that increases the number of pixels, and bit depth upsampling is a process that increases the number of values that each pixel can have, corresponding to the pixels color intensity. The upsampled BL data are used to predict the collocated EL. A prediction order indication is transferred so that the decoder can upsample BL information in the same manner as the encoder, wherein the upsampling refers to spatial and bit depth characteristics. | 2010-02-04 |
| 20100027620 | SIGNAL COMPRESSING SYSTEM - A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most efficient. | 2010-02-04 |
| 20100027621 | APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR MOVING IMAGE GENERATION - According to one embodiment, a moving image generating apparatus includes a decoder, a calculator, a first encoder, and a second encoder. The decoder decodes encoded moving image data to obtain decoded moving image data. The calculator calculates an encode parameter used to encode the decoded moving image data. The first encoder encodes the decoded moving image data in a first encoding mode using the encode parameter obtained by the calculator. The second encoder encodes the decoded moving image data in a second encoding mode using the encode parameter obtained by the calculator. The first encoder and the second encoder encode the same decoded moving image data using an identical encode parameter obtained by the calculator. | 2010-02-04 |
| 20100027622 | Methods and apparatus for efficient first-pass encoding in a multi-pass encoder - There are provided methods and apparatus for efficient first-pass encoding in a multi-pass encoder. An apparatus includes a multi-pass video encoder for performing a first-pass encoding of input image data for at least one picture by sub-sampling at least a portion of the input image data prior to the first-pass encoding. The sub-sampling is at least one of spatial sub-sampling and temporal sub-sampling. | 2010-02-04 |
| 20100027623 | METHOD AND DEVICE FOR OPTIMIZING THE COMPRESSION OF A VIDEO STREAM - The purpose of the invention is to enable, or not enable, motion compensation depending on whether it is profitable to do so, with profitability being expressed in terms of the costs in rate and in distortion. | 2010-02-04 |
| 20100027624 | METHODS AND APPARATUS FOR USING SYNTAX FOR THE CODED_BLOCK_FLAG SYNTAX ELEMENT AND THE CODE_BLOCK_PATTERN SYNTAX ELEMENT FOR THE CAVLC 4:4:4 INTRA, HIGH 4:4:4 INTRA, AND HIGH 4:4:4 PREDICTIVE PROFILES IN MPEG-4 AVC HIGH LEVEL CODING - There are provided methods and apparatus for using syntax for the coded_block_flag syntax element for the CAVLC 4:4:4 Intra, High 4:4:4 Intra, and High 4:4:4 Predictive profiles in MPEG-4 AVC high level coding. An apparatus includes an encoder for encoding image data into a resultant bitstream in accordance with an encoding profile that encodes a sample of the image data such that the sample includes two chrominance arrays and a luminance array. Each of the two chrominance arrays has a same height and a same width as the luminance array. The encoder indicates a presence of at least one 8x8 block in the resultant bitstream using a syntax element. | 2010-02-04 |
| 20100027625 | APPARATUS FOR ENCODING AND DECODING - An apparatus for encoding a sequence of samples of an audio signal, with each sample within the sequence having an original position, includes a sorter for sorting the samples depending on their sizes, in order to obtain a sorted sequence of samples, with each sample having a sorting position within the sorted sequence. Furthermore, the apparatus has an encoder for encoding the sorted samples and information on a relation between the original and sorting positions of the samples. | 2010-02-04 |
| 20100027626 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027627 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027628 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027629 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027630 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027631 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027632 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027633 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027634 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027635 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027636 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027637 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027638 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027639 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027640 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027641 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027642 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027643 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027644 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027645 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027646 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027647 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027648 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027649 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027650 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027651 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027652 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027653 | METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views. | 2010-02-04 |
| 20100027654 | METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views. | 2010-02-04 |
| 20100027655 | VIDEO ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND STORAGE MEDIA WHICH STORE THE PROGRAMS - A video encoding method includes setting candidates for reference pixels to pixels within a predetermined distance range measured from an encoding target block; generating a predicted signal by sequentially selecting reference pixels used for the intra prediction of the encoding target block from among the reference pixel candidates while changing a distance condition from the encoding target block, and by generating the predicted signal based on the reference pixels for each distance condition; computing an encoding cost required for subjecting the encoding target block to intra prediction encoding using each generated predicted signal; finally determining reference pixels used for the intra prediction of the encoding target block based on each computed encoding cost; and encoding information which indicates the position of the determined reference pixels. | 2010-02-04 |
| 20100027656 | MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD - A moving picture coding apparatus | 2010-02-04 |
| 20100027657 | MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD - A moving picture coding apparatus | 2010-02-04 |
| 20100027658 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027659 | METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views. | 2010-02-04 |
| 20100027660 | METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views. | 2010-02-04 |
| 20100027661 | Image Processing Method, Image Processing Program, Image Processing Device, and Imaging Device - An image-processing method is an image-processing method for detecting motion between plural images, including a searching operation of searching for a local motion vector from each of blocks in the plural images on the basis of feature quantity of the plural images, and a calculating operation of calculating evaluation values of the local motion vector found, in which one of the evaluation values is accuracy of position adjustment which is obtained when the search source block of said local motion vector is position-adjusted on a trial basis by using the local motion vector in order to provide an image-processing method, an image-processing program, an image-processing apparatus, and an imaging apparatus which can properly evaluate local motion vectors which are found by searching blocks of images upon detecting motion of plural images. | 2010-02-04 |
| 20100027662 | METHOD AND SYSTEM FOR DETERMINING A METRIC FOR COMPARING IMAGE BLOCKS IN MOTION COMPENSATED VIDEO CODING - Method and system for determination of a metric measuring a difference between two image blocks used in motion compensated video coding of scenes are described. Only selected pixels in a block in the scene are processed for enhancing the speed of the metric computation. | 2010-02-04 |
| 20100027663 | INTELLEGENT FRAME SKIPPING IN VIDEO CODING BASED ON SIMILARITY METRIC IN COMPRESSED DOMAIN - This disclosure provides intelligent frame skipping techniques that may be used by an encoding device or a decoding device to facilitate frame skipping in a manner that may help to minimize quality degradation due to the frame skipping. In particular, the described techniques may implement a similarity metric designed to identify good candidate frames for frame skipping. In this manner, noticeable reductions in the video quality caused by frame skipping, as perceived by a viewer of the video sequence, may be reduced relative to conventional frame skipping techniques. The described techniques advantageously operate in a compressed domain. | 2010-02-04 |
| 20100027664 | Image Processing Apparatus and Image Processing Method - According to one embodiment, an image processing apparatus includes a resolution increasing module and a moving-image improving module. The resolution increasing module that performs, on receipt of a first video signal with first resolution, super resolution conversion on the first video signal to obtain a second video signal with second resolution that is higher than the first resolution by estimating an original pixel value from the first video signal and increasing the pixels. The moving-image improving module that increases the frame rate of the second video signal after the super resolution conversion. | 2010-02-04 |
| 20100027665 | VIDEO ENCODER WITH AN INTEGRATED TEMPORAL FILTER - A video encoder with an integrated temporal filter, which has an output carrying a sequence of encoded frames, includes: an input receiving input frame data; a temporal filter receiving the input frame data from the input and producing filtered frame data; motion processing modules receiving reconstructed frames derived from the sequence of encoded frames and the filtered frame data from the temporal filter and producing a residual error signal output; and a coder module which receives the input frame data and the residual error signal and produces the sequence of encoded frames. A method of encoding video includes: receiving a current frame to be encoded into a motion estimator and a temporal filter substantially at one time; receiving a previously encoded reference frame; generating a reconstructed motion-compensated reference frame from the previously encoded reference frame; and determining from the motion-compensated reference frame and the current frame whether and how much blending to perform between the motion compensated reference frame and the current frame. | 2010-02-04 |
| 20100027666 | MOTION VECTOR DETECTING APPARATUS, MOTION VECTOR DETECTING METHOD, AND PROGRAM - A motion vector detecting apparatus includes an evaluation value information forming unit to form evaluation value information of motion vectors evaluating a possibility that a reference pixel is a candidate motion of a target pixel on the basis of pixel value correlation information between the target pixel in one of frames on a time axis in moving image data and the reference pixel in a search area in another of the frames, perform counting on at least one of the target pixel and reference pixel when a strong correlation is determined on the basis of the pixel value correlation information, and determine an evaluation value to be added to the evaluation value information on the basis of a count value obtained through the counting; a motion vector extracting unit to extract candidate motion vectors; and a motion vector determining unit to determine a motion vector among the candidate motion vectors. | 2010-02-04 |
| 20100027667 | MOTION ESTIMATION FOR UNCOVERED FRAME REGIONS - In a motion estimation for a group of at least one image element in a frame of a video sequence, a global motion is determined between the frame and a reference frame. Uncovered groups present in an uncovered region of the frame are identified based on the determined global motion. The global motion is assigned as motion representation for these identified uncovered groups. The assigned motion representation is useful for constructing new frames in the sequence in a frame rate up-conversion. | 2010-02-04 |
| 20100027668 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027669 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027670 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027671 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027672 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027673 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027674 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027675 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027676 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027677 | VIDEO ENCODING/DECODING METHOD AND APPARATUS - A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference picture number and predictive parameter of the selected combination, generating a predictive error signal representing an error between the input video signal and the prediction picture signal, and encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination. | 2010-02-04 |
| 20100027678 | ENCODING AND DECODING METHODS AND APPARATUS, SIGNAL AND COMPUTER PROGRAM PRODUCT THEREFOR - A video sequence including images in the form of digital samples is encoded by: subsampling the video sequence to produce: a number N of multiple descriptions of the video sequence, each multiple description including 1/N samples of the video sequence, and a subsampled version of the sequence, the subsampled version having a resolution lower or equal to the resolution of the N multiple descriptions. The N multiple descriptions and the subsampled version are subjected to scalable video coding (SVC) to produce an SVC encoded signal having a base layer and N enhancement layers predicted from said base layer. The subsampled version of the sequence and the N multiple descriptions of the video sequence constitute the base layer and the enhancement layers, respectively, of the SVC encoded signal. | 2010-02-04 |
| 20100027679 | INFORMATION PROCESSING DEVICE AND METHOD - An information processing apparatus and method for reducing an unnecessary waiting time in a depacketizing process and enabling processing to be easily performed at high speeds applicable to, for example, an encoding apparatus. An analysis unit compares input image data with image data of one previous picture read out from a storage unit. On the basis of the analysis result, a concealment header generation unit generates a concealment header that is referred to by a receiving apparatus at the time of an error concealment process. On the basis of the concealment header, a loss analysis unit performs error concealment for the occurrence of a transmission error by suitably using encoded data stored in a storage unit. | 2010-02-04 |
| 20100027680 | Methods and Systems for Parallel Video Encoding and Decoding - Aspects of the present invention are related to systems and methods for parallel video encoding and decoding. | 2010-02-04 |
| 20100027681 | METHOD AND APPARATUS FOR VIDEO ERROR CONCEALMENT IN MULTI-VIEW CODED VIDEO USING HIGH LEVEL SYNTAX - There are provided a method and apparatus for video error concealment in multi-view coded video using high level syntax. The apparatus includes a decoder for decoding pictures for at least one view corresponding to multi-view video content from a bitstream. The pictures are representative of at least a portion of a video sequence. At least some of the pictures correspond to different time instances in the video sequence. The decoder determines whether any of the pictures corresponding to a particular one of the different time instances are lost using an existing syntax element. The existing syntax element is for indicating a number of coded views in the bitstream, including the at least one view. | 2010-02-04 |
| 20100027682 | METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views. | 2010-02-04 |
| 20100027683 | IDENTIFICATION OF VIDEO SIGNALS IN A VIDEO SYSTEM - Incoming digital video signals to a video system each undergo identification with specific identifier prior to receipt at a corresponding one of the video system inputs. At each of the video system outputs, the output signal undergoes decoding to obtain the identity of the signal to confirm proper routing of signals within the video system. | 2010-02-04 |
| 20100027684 | MODIFYING A CODED BITSTREAM - Implementations may relate to various aspects of modifying, or using, a coded bitstream, or to recovering water-marking information from data. In one implementation, a coded bitstream is modified to allow for the application of a watermark to the coded bitstream without changing the coding of any other syntax elements in the bitstream. This is performed by identifying conditions necessary to change a coded syntax element without disrupting the interpretation of subsequent coded elements. The coded syntax element is replaced with another coded value if the modified value generates the same decoding variables as the original value would have generated. Particular implementations focus on syntax elements coded using entropy coding, including, for example, Context-based Adaptive Binary Arithmetic Coding (CABAC). Regardless of the type of coding or watermarking, various implementations may provide for recovering watermarking information. Particular implementations recover watermarking information using detection data and feature information. | 2010-02-04 |
| 20100027685 | METHOD OF PROCESSING BOUNDARY STRENGTH BY DEBLOCKING FILTER AND CODING APPARATUS - Provided is a method and apparatus for processing a boundary strength (BS) by a deblocking filter, the method including: an encoding process for generating a packet including BS information; and a decoding process for receiving the packet including the BS information generated from the encoding process, and during the decoding process the BS information is used in a deblocking process. | 2010-02-04 |
| 20100027686 | IMAGE COMPRESSION AND DECOMPRESSION - Clusters of pixels are defined for use in image compression and decompression. The image information used to define the clusters may include pixel values at predetermined positions relative to a pixel or related motion vectors, gradients, texture etc. During compression of images the image information relative to pixels is examined to determine the cluster to which it belongs. Thus pixels can be classified according to the cluster for their image information. In an embodiment the definitions of the clusters are selected dynamically, dependent on image content. For each cluster a control parameter set is computed for a post-processing operation, such as filter coefficients for filtering or statistical data for locally generating texture. The control parameter set is selected dependent on the image content so that, when the post-processing operation is applied to the image after decompression it will improve image quality for the pixels that are classified as belonging to the cluster. The compressed image and the control parameter sets are transmitted to a decompression apparatus. Upon decompression, the image information that represents the decompressed image is examined to classify pixels according to the clusters and the different control parameter sets for the selected clusters are used to control post-processing at the locations of the pixels. | 2010-02-04 |
| 20100027687 | INTERFACE MODULE FOR COMMUNICATION WITH AN ELECTRONIC OR AN ELECTROMECHANICAL DEVICE OF A MEDIUM VOLTAGE INTERRUPTION UNIT - An interface module for communication with at least a first electronic or electromechanical device of a medium voltage interruption unit which comprises at least a power supply port through which said first device receives electric power. The interface module further comprises first interface means that are electrically connected to said power supply port, said first interface means exchanging information with said first device through said power supply port. | 2010-02-04 |
| 20100027688 | MULTI-INPUT MULTI-OUTPUT-ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING TRANSCEIVING METHOD AND APPARATUS - A multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) transceiving system is provided, in which an MIMO-OFDM receiver feeds back ordering information, such as the order of power intensities of reception signals of a plurality of reception antennas, to an MIMO-OFDM transmitter. The MIMO-OFDM transmitter arranges subcarriers, to which data symbols have been allocated, so that the subcarriers respectively correspond to a plurality of transmission antennas, according to the fed-back information. Thus, a specific substream can be transmitted via a transmission antenna having the greatest channel gain. Consequently, the probability of properly recovering the specific substream is greatly increased. | 2010-02-04 |
| 20100027689 | I/Q CALIBRATION OF TRANSMIT AND RECEIVE PATHS IN OFDM FDD COMMUNICATION SYSTEMS - I/Q gain and phase mismatches of both transmit and receive paths of an OFDM FDD transceiver are simultaneously estimated. An up-converted RF signal is generated when the transmit path performs IQ modulation on a reference signal having a single sideband tone. The up-converted RF signal is sent via a loop-back path to the receive path. A down-converted evaluation signal is generated when the receive path performs IQ demodulation on the up-converted RF signal. The single evaluation signal is used to determine the transmit path gain and phase mismatches and the receive path gain and phase mismatches. The four I/Q mismatches are estimated without using significant hardware nut otherwise used in the regular transmission of data signals. The I/Q mismatches in data signals are corrected by pre-processing the up-converted RF signals and post-processing the down-converted RF signals by adding attenuated components of the in-phase and quadrature-phase signals to each other. | 2010-02-04 |
| 20100027690 | APPARATUS AND METHOD FOR GENERATING A MULTICARRIER COMMUNICATION SIGNAL HAVING A REDUCED CREST FACTOR - An apparatus for generating a multicarrier communication signal having a reduced crest factor enables efficient power amplifier operation. The apparatus includes a plurality of shaping filters ( | 2010-02-04 |
| 20100027691 | METHOD AND SYSTEM FOR AN OFDM JOINT TIMING AND FREQUENCY TRACKING SYSTEM - Aspects of a method and system for an OFDM joint timing and frequency tracking system may include tracking carrier frequency and symbol timing in an Orthogonal Frequency Division Multiplexing (OFDM) signal based on at least a reference symbol set. A receiver frequency and timing may be adjusted based on the tracked carrier frequency and symbol timing. The carrier frequency may be tracked by generating an output signal as a function of a frequency offset Δf, and the symbol timing may be tracked by generating an output signal as a function of a guard time Δt | 2010-02-04 |
