14th week of 2014 patent applcation highlights part 29 |
Patent application number | Title | Published |
20140092943 | METHOD FOR USING POWER LINES FOR WIRELESS COMMUNICATION - The method is for providing broadband access into a dwelling. A radio base station is provided that is in connection with a power-line communication (PLC) gateway. The radio base station transmits an information signal to the PLC gateway. The PLC gateway receives the signal and transmits the information signal via power-line to an inside of the dwelling. | 2014-04-03 |
20140092944 | PILOT STRUCTURE TO SUPPORT A VIRTUAL DIVERSITY RECEIVER SCHEME - Devices and methods for providing a pilot structure for a virtual diversity receiver (VDR) scheme are disclosed. In order to improve the performance of a communication network, a VDR scheme is implemented to facilitate the exchange of information between user devices via an intermediary device, such as a base station. The pilot structure supports estimation of channel parameters at the receivers, including true channel taps, as well as estimations of the virtual channels created by the VDR scheme in order to enable the use of receive-diversity signal processing techniques. | 2014-04-03 |
20140092945 | ADAPTIVE DETECTOR THRESHOLD COMPENSATION IN BINARY FRAME BASED COMMUNICATION SYSTEMS - Various exemplary embodiments relate to a method of producing adaptive thresholds in a binary frame based communication system, including: collecting Kst samples of a received signal corresponding to a start bit; computing an estimate of as received signal parameter Pst in the start bit; adjusting an start threshold based upon Pst; collecting Ksp samples of the received signal corresponding to a stop bit; computing an estimate of a received signal parameter Psp in the stop bit; and adjusting an stop threshold based upon Psp. | 2014-04-03 |
20140092946 | Fully-Digital BIST for RF Receivers - A built-in receiver self-test system provides on-chip testing with minimal change to the receiver footprint. The system digitally generates a two-tone test signal, and tests the nonlinearities of the receiver using the generated two-tone test signal. To that end, the self-test system comprises a stimulus generator, a downconverter, and a demodulator, all of which are disposed on a common receiver chip. The stimulus generator generates a test signal comprising first and second tones at respective first and second frequencies, where the first and second frequencies are spaced by an offset frequency, and where the first frequency comprises a non-integer multiple of the offset frequency. The downcoverter downconverts the test signal to generate an In-phase component and a Quadrature component. The demodulator measures an amplitude of the intermodulation tone by demodulating the In-phase and Quadrature components based on a reference frequency. | 2014-04-03 |
20140092947 | Adaptive Smoothing of Channel Estimates - Techniques for directly adapting the parameters of a smoothing filter used for channel estimation to the current velocity and signal-to-noise ratio (SNR) situation. An example method begins with a plurality of channel response measurements. For each of a first subset of a set of pre-determined filter responses, the channel measurement samples are filtered to obtain a corresponding set of estimated channel response samples. Next, for each set of estimated channel response samples, a corresponding set of ordered residuals are calculated from the channel measurement samples. Each set of ordered residuals is evaluated to determine a measure of correlation among the ordered residuals, and an updated filter response is selected from a second subset of the set of pre-determined filter responses, based on this evaluation, for use in demodulating a received signal. | 2014-04-03 |
20140092948 | AUTOMATED ERASURE SLICER THRESHOLD CONTROL AND MODIFICATION OF SYMBOL ESTIMATES TO BE ERASED - Methods and systems to vary an erasure slicer threshold based on a measure computed from prior soft and/or hard symbol decisions, identify reliable symbol estimates based on the threshold, identify unreliable symbol estimates for erasure based on the threshold, modify the identified symbol estimates, output the reliable symbol estimates and the modified symbol estimates as erasure slicer decisions, and filter the decisions in a feedback filter of a decision feedback equalizer (DFE). The erasure slicer threshold may be based on signal-to-noise ratio (SNR) or mean-squared-error (MSE). A symbol estimate may be identified for erasure when a coordinate of the corresponding soft decision is within an erasure area defined by the threshold. Symbol modification may include replacing a corresponding coordinate of the symbol estimate with a coordinate of a decision boundary associated with the erasure area. | 2014-04-03 |
20140092949 | Method and System for Diagnosing Radio Performance During Functional Over-the-Air Operation - An apparatus for determining a health of radio-frequency transmitters each transmitting a transmitted signal during normal operation. The apparatus comprises a receiver for receiving received signals, each received signal responsive to a transmitted signal, a first element for determining signal parameters of each received signal, the signal parameters responsive to an operating condition of a transmitter, each transmitted signal and each associated received signal including an identifier of the transmitter that transmitted the transmitted signal, the apparatus using the identifier to link determined signal parameters with the transmitter that transmitted the transmitted signal and a second element for determining a health of the transmitter that transmitted the transmitted signal, the health responsive to a relationship between one or more signal parameters and a selected value or a range of selected values for each signal parameter. | 2014-04-03 |
20140092950 | RATE CONTROL FOR A VIRTUAL DIVERSITY RECEIVER - Devices and methods for determining transmission rates based on a virtual diversity receiver (VDR) scheme are disclosed. Performance is improved through determination of appropriate transmission rates, which are determined based on one or more signal to interference plus noise ratios (SINRs). The SINRs are calculated using virtual noise and channel coefficient values obtained as part of the VDR scheme. Utilizing an underlying pilot structure a user device may receive several sets of symbols. These symbols are then used to obtain both real and virtual channel noise power values and channel coefficients. These values and coefficients are then used to determine first and second SINR values indicative of one or more channels in the communication network. These SINR values may correlate to transmission rates (modulation order and/or coding rate). The SINRs may be sent to a base station, or the user device itself may determine one or more transmission rates. | 2014-04-03 |
20140092951 | Jitter Tolerant Receiver - An embodiment of the invention includes a receiver with reduced error terms and incoming jitter tracking that improves jitter tolerance. An embodiment provides these benefits based on a voltage integrator that recovers data and clock information from incoming signals without use of a PLL, PI, CDR, and the like. An embodiment provides these benefits based on a time integrator that recovers, using digital logic, data and clock information from incoming signals without use of a PLL, PI, CDR, and the like. Other embodiments are described herein. | 2014-04-03 |
20140092952 | EQUALIZATION EFFORT-BALANCING OF TRANSMIT FINITE IMPULSE RESPONSE AND RECEIVE LINEAR EQUALIZER OR RECEIVE DECISION FEEDBACK EQUALIZER STRUCTURES IN HIGH-SPEED SERIAL INTERCONNECTS - Methods and apparatus for provision of equalization effort-balancing of transmit (TX) Finite Impulse Response (FIR) and receive (RX) Linear Equalizer (LE) or RX Decision Feedback Equalizer (DFE) structures in high-speed serial interconnects are described. In some embodiments, data corresponding to a plurality of transmit equalization values and a plurality of receive equalization values for each lane of a link having a plurality of lanes is detected. At least one of the plurality of the transmit equalization values and at least one of the plurality of the receive equalization values are selected for each lane of the plurality of lanes of the link based on detection of saturation in a Decision Feedback Equalizer (DFE) tap of a corresponding lane of the link. Other embodiments are also claimed and/or disclosed. | 2014-04-03 |
20140092953 | METHOD FOR SIGNALING A STEP-WISE TEMPORAL SUB-LAYER ACCESS SAMPLE - An electronic device for encoding a picture is described. The electronic device includes a processor and instructions stored in memory that are in electronic communication with the processor. The instructions are executable to encode a step-wise temporal sub-layer access (STSA) sample grouping. The instructions are further executable to send and/or store the STSA sample grouping. | 2014-04-03 |
20140092954 | Method and Apparatus for Encoding Video to Play at Multiple Speeds - Data that is to be transmitted to a viewer is encoded multiple times at multiple playback speeds. For example, a video advertisement may be encoded to play at normal speed, 4× normal speed, and 16× normal speed. Frames from the multiple encoded streams are combined to form a combined encoded stream that will play full motion video at each of the respective playback speeds. Thus, when a user elects to watch the video at a speed other than the slowest speed, the decoder will be able to decode the video at the selected speed to provide a full motion video output stream to the viewer at the selected playback speed. | 2014-04-03 |
20140092955 | SIGNALING LAYER IDENTIFIERS FOR OPERATION POINTS IN VIDEO CODING - Techniques described herein are related to coding layer identifiers for operation points in video coding. In one example, a method of decoding video data is provided. The method comprises decoding syntax elements in a video parameter set (VPS) within a conforming bitstream indicating a first operation point having a first set of content. The method further comprises decoding, if present, syntax elements in the VPS within the conforming bitstream indicating hypothetical reference decoder (HRD) parameter information having a second set of content for the first operation point, wherein the conforming bitstream does not include syntax elements in the VPS that duplicate at least one of the first or second set of content for a second operation point, and wherein decoding syntax elements comprises decoding the syntax elements indicating the first operation point and the HRD parameter information only within conforming bitstreams. | 2014-04-03 |
20140092956 | ADAPTIVE TRANSFORM OPTIONS FOR SCALABLE EXTENSION - In one embodiment, a method determines a first size of a first unit of video used for a prediction process in an enhancement layer. The enhancement layer is useable to enhance a base layer. The method then determines a second size of a second unit of video used for a transform process in the enhancement layer and determines whether adaptive transform is to be used in the transform process based on the first size of the first unit and the second size of the second unit where the adaptive transform provides at least three transform options. When adaptive transform is used, a transform option is selected from the at least three transform options for the transform process. | 2014-04-03 |
20140092957 | 2D Block Image Encoding - A coder (e.g., an encoder or decoder) implements coding of two dimensional blocks of image data using two dimensional differential pulse code modulation (2D DPCM). The coder may switch between DPCM and other types of coding, such as transform coding on a block by block basis. The 2D DPCM may obtain a reconstructed pixel within the two dimensional bloc and code a second, different, pixel within the two dimensional block using the reconstructed pixel. The coder may also create a bitstream of entropy encoded residuals that supports hybrid implicit/explicit specification of coding parameters. | 2014-04-03 |
20140092958 | IMAGE PROCESSING DEVICE AND METHOD - An image decoding apparatus includes a brightness adaptive offset processing section and a color difference adaptive offset processing section. The brightness adaptive offset processing section performs a brightness adaptive offset process with regard to brightness signal of an image to be decoded. The color difference adaptive offset processing section performs a color difference adaptive offset process with regard to a color difference signal based on data generated by the brightness adaptive offset process by the brightness adaptive offset processing section to generate a decoded image. | 2014-04-03 |
20140092959 | Method and device for deriving a set of enabled coding modes - A method for deriving a set of enabled coding modes relative to the encoding of an image or image portion which forms part of an image sequence. The method comprises:
| 2014-04-03 |
20140092960 | Bounded Rate Compression With Rate Control For Slices - A system implements rate control for encoding and decoding operations, for example, operations performed on slices of data such as image data. The system implements a transformation from actual buffer fullness to rate controlled fullness. With the rate controlled fullness model, the encoders and decoders adapt bit allocation responsive to rate controlled fullness, instead of the actual fullness. | 2014-04-03 |
20140092961 | SIGNALING DECODER PICTURE BUFFER INFORMATION - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 2014-04-03 |
20140092962 | INTER FIELD PREDICTIONS WITH HEVC - To improve the coding efficiency of field sequences, any GOP structures for field sequence coding by HEVC have both top and bottom fields in a reference list. Modified HEVC inter-field prediction uses an interlaced video with a series of frames. Each interlaced frame is separated into a top field and a bottom field. For HEVC encoding, inter-field prediction structures are defined with the following properties: if a current block in a picture includes only pixels in a field and it has more than one reference field pictures as reference pictures in a reference list, then at least one of the reference field pictures comes from the top field of a frame and at least one of the reference field pictures comes from the bottom field of a frame. | 2014-04-03 |
20140092963 | SIGNALING OF REGIONS OF INTEREST AND GRADUAL DECODING REFRESH IN VIDEO CODING - During a coding process, systems, methods, and apparatus may code information indicating whether gradual decoder refresh (GDR) of a picture is enabled. When GDR is enabled, the coding process, systems, methods, and apparatus may code information that indicates whether one or more slices of the picture belong to a foreground region of the picture. In another example, during a coding process, systems, methods, and apparatus may decode video data corresponding to an ISP identification (ISP ID) for one of the ISPs for slices of a picture. The systems, methods, and apparatus may decode video data corresponding to an ROI using the ISP. | 2014-04-03 |
20140092964 | Apparatus, a Method and a Computer Program for Video Coding and Decoding - There are disclosed various methods, apparatuses and computer program products for video encoding and decoding. In other embodiments, there is provided a method, an apparatus, a computer readable storage medium stored with code thereon for use by an apparatus, and a video encoder, for encoding a scalable bitstream, to provide indicating an encoding configuration, where only samples and syntax from intra coded pictures of base layer is used for coding the enhancement layer pictures. In other embodiments, there is provided an apparatus, a computer readable storage medium stored with code thereon for use by an apparatus, and a video decoder, for decoding a scalable bitstream, to receive indications of an encoding configuration, where only samples and syntax from intra coded pictures of base layer is used for coding the enhancement | 2014-04-03 |
20140092965 | INTRA-CODING FOR 4:2:2 SAMPLE FORMAT IN VIDEO CODING - Systems, methods, and devices for video coding that may receive a rectangular chroma block are disclosed. The rectangular chroma block may be divided into a first square sub-block and a second square sub-block. The systems, methods, and devices may reconstruct the first square sub-block and intra-predict the second square sub-block using reference samples from the reconstructed first square sub-block. | 2014-04-03 |
20140092966 | VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, VIDEO ENCODING METHOD, AND VIDEO DECODING METHOD - A video encoding apparatus appends decoding delay and display delay correction information to encoded video data in order to ensure that even when one or more pictures that are later in encoding order than a starting encoded picture in a video data stream to be spliced to a trailing end of another encoded video data stream have been discarded from among pictures contained in the video data stream, the starting encoded picture and its subsequent pictures can be continuously decoded and displayed by a video decoding apparatus. The correction information is calculated based on a decoding interval between each discarded picture and a picture that immediately precedes the discarded picture. The video decoding apparatus corrects the decoding delay and display delay of the starting encoded picture and its subsequent pictures by using the calculated correction information. | 2014-04-03 |
20140092967 | USING BASE LAYER MOTION INFORMATION - Systems, methods, and devices for coding video data are described herein. In some aspects, a memory is configured to store the video data associated with a base layer and an enhancement layer. The base layer may comprise a reference block and base layer motion information associated with the reference block. The enhancement layer may comprise a current block. A processor operationally coupled to the memory is configured to determine a position of the base layer motion information in a candidate list based on a prediction mode in a plurality of prediction modes used at the enhancement layer. The processor is further configured to perform a prediction of the current block based at least in part on the candidate list. | 2014-04-03 |
20140092968 | METHOD AND DEVICE FOR MOTION INFORMATION PREDICTION REFINEMENT - The invention concerns a method for encoding a multi-view video stream comprising at least two video sequences, comprising a step of motion information prediction for a square or rectangular block of a current picture of a current view from a list of candidate motion information predictors, a motion information predictor including at least a motion vector, and a step of entropic encoding of an item of information representative of the position of a selected motion information predictor in the list. The method of the invention comprises, for the encoding of a current block, determining in the list of candidate motion information predictors of the current block a motion information predictor comprising a disparity motion vector pointing to a block of a picture of a video sequence corresponding to a view different from the current view, and in case of positive determination, including in the list of candidate motion information predictors at least one refined motion information predictor comprising a refined disparity motion vector predictor obtained from the determined disparity motion vector so as to obtain a refined list of candidate motion information predictors. | 2014-04-03 |
20140092969 | Method and Apparatus for Data Reduction of Intermediate Data Buffer in Video Coding System - A method and apparatus of data reduction of search range buffer for motion estimation or motion compensation are disclosed. The method and apparatus use local memory to store reference data associated with search region to reduce system bandwidth requirement and use data reduction to reduce required local memory. The data reduction technique is also applied to intermediate data in a video coding system to reduce storage requirement associated with intermediate data. The data reduction technique is further applied to reference frames to reduce storage requirement for coding system incorporating picture enhancement processing to the reconstructed video. | 2014-04-03 |
20140092970 | MOTION DERIVATION AND CODING FOR SCALING VIDEO - A system utilizing motion derivation and coding for scaling video is described. The system may include an electronic device configured to receive a first layer bitstream and a second enhancement layer bitstream corresponding to the first layer bitstream. The electronic device may be configured to derive a motion vector at the second layer representation from the first layer representation. | 2014-04-03 |
20140092971 | PICTURE PROCESSING IN SCALABLE VIDEO SYSTEMS - A system utilizing picture processing in a scalable video system is described. The system may include an electronic device configured to recover a picture processing index corresponding to one or more picture processors, e.g. upsamplers, filters, or the like, or any combination thereof. The picture processing index may associate a particular picture processor of a set of picture processors available to the decoder with a unit, e.g. a coding unit or a prediction unit of a coding unit. | 2014-04-03 |
20140092972 | PICTURE PROCESSING IN SCALABLE VIDEO SYSTEMS - A system utilizing picture processing in a scalable video system is described. The system may include an electronic device configured to recover a picture processing index corresponding to one or more picture processors, e.g. upsamplers, filters, or the like, or any combination thereof. The picture processing index may associate a particular picture processor of a set of picture processors available to the decoder with a unit, e.g. a coding unit or a prediction unit of a coding unit. | 2014-04-03 |
20140092973 | SYSTEM AND METHOD FOR VIDEO TRANSCODING - A video transcoding system includes a video decoder, a video encoder, and a video interface. The video decoder is configured to decode a received video signal. The video encoder is configured to encode video data decoded from the received video signal by the video decoder. The video interface couples an output of the video decoder to an input of the video encoder and is configured to transfer video data having a first chroma subsampling ratio. The video decoder is further configured to provide video data having a second chroma subsampling ratio that includes fewer chrominance samples than the first chroma sampling ratio to the video interface, and to provide non-video information generated from decoding the received video signal to the video interface using video interface bandwidth usable based on a difference between the first chroma subsampling ratio and the second chroma subsampling ratio. | 2014-04-03 |
20140092974 | System and Method for Motion Estimation for Large-Size Block - A method and apparatus are disclosed for providing motion estimation (ME) for large-size blocks of image data during image processing using small-size block processing logic. An embodiment method includes obtaining a large-size block for ME processing and dividing the large-size block into a plurality of small-size blocks. The large-size block comprises an integer multiple of the small-size blocks. The small-size blocks are then processed in parallel using a small-size block ME processing algorithm. An embodiment apparatus includes a processor configured to implement the method for large-size block ME processing using small-size block ME processing logic, and a shared memory register for storing at different times the 16×16 blocks. | 2014-04-03 |
20140092975 | DEVICES AND METHODS FOR USING BASE LAYER MOTION VECTOR FOR ENHANCEMENT LAYER MOTION VECTOR PREDICTION - Devices and methods for using base layer motion vector for enhancement layer motion vector prediction are disclosed. | 2014-04-03 |
20140092976 | SYSTEM FOR SIGNALING IDR AND BLA PICTURES - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 2014-04-03 |
20140092977 | Apparatus, a Method and a Computer Program for Video Coding and Decoding - In some embodiments, there is provided an apparatus, a computer readable storage medium stored with code thereon for use by an apparatus, and a video decoder, for decoding a video bitstream, to derive a motion compensated prediction for an enhancement layer block based on a motion compensation process on the co-located base layer block using the same or similar motion vector of enhancement layer blocks and base layer reference pictures. In other embodiments, there is provided a method, an apparatus, a computer readable storage medium stored with code thereon for use by an apparatus, and a video encoder, for encoding a video bitstream, to derive a motion compensated prediction for an enhancement layer block based on a motion compensation process on the co-located base layer block using the same or similar motion vector of enhancement layer blocks and base layer reference pictures. | 2014-04-03 |
20140092978 | METHOD AND APPARATUS FOR VIDEO CODING - There are disclosed various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments the method comprises coding motion information of an enhancement layer using motion vector information of a reference layer, wherein the coding comprises deriving a candidate list of motion vectors using at least one of motion vector information from the reference layer; motion vector information from the enhancement layer of the same picture; and motion vector information from the enhancement layer of a different picture. The method further comprises constructing a second candidate list of motion vectors using the first candidate list; and selecting a motion vector for said coding from said candidate list. There are also disclosed corresponding method for various methods, apparatuses and computer program products for video decoding. | 2014-04-03 |
20140092979 | IMAGE PROCESSING APPARATUS AND METHOD - This technique relates to an image processing apparatus and a method for improving the coding efficiency. The image processing device includes a weight mode determination unit configured to determine, for each predetermined region, a weight mode which is a mode of weight prediction in which inter-motion prediction compensation processing for coding an image is performed while giving weight with a weight coefficient, a weight mode information generation unit configured to generate, for each of the regions, weight mode information indicating a weight mode determined by the weight mode determination unit, and an encoding unit configured to encode the weight mode information generated by the weight mode information generation unit. The present disclosure can be applied to an image processing apparatus. | 2014-04-03 |
20140092980 | METHOD AND APPARATUS OF DIRECTIONAL INTRA PREDICTION - A method and apparatus for intra prediction for a current block using directional intra prediction based on neighboring pixels around the current block are disclosed. Embodiment according to the present invention derives the gradient for the current pixel from the neighboring reconstructed pixels along a prediction direction of directional intra prediction. The gradient derived is used to form the final intra prediction. In another embodiment of the present invention, the intra prediction for slant vertical and horizontal directions is derived based on the neighboring reconstructed pixels in a neighboring row adjacent to the top side of the current block and the neighboring reconstructed pixels in a neighboring column adjacent to the left side of the current block. | 2014-04-03 |
20140092981 | METHOD AND APPARATUS FOR REMOVING REDUNDANCY IN MOTION VECTOR PREDICTORS - A method and apparatus of deriving a motion vector predictor (MVP) for a current block in an Inter, Merge, or Skip mode are disclosed. Embodiments according to the present invention determine redundant MVP candidates according to a non-MV-value based criterion. The redundant MVP candidates are then removed from the MVP candidate set. In other embodiments according to the present invention, motion IDs are assigned to MVP candidates to follow the trail of motion vectors associated with the MVP candidate. An MVP candidate having a same motion ID as a previous MVP is redundant and can be removed from the MVP candidate set. In yet another embodiment, redundant MVP candidates correspond to one or more of the MVP candidates that cause the second 2N×N or N×2N PU to be merged into a 2N×2N PU are removed from the MVP candidate set. | 2014-04-03 |
20140092982 | SCAN PATTERN DETERMINATION FROM BASE LAYER PIXEL INFORMATION FOR SCALABLE EXTENSION - A method determines a first unit of video in a base layer and analyzes a portion of pixels for the first unit of video in the base layer. A scan pattern for a second unit of video in an enhancement layer is determined based on the analyzing of the portion of the pixels in the base layer. The enhancement layer is useable to enhance the base layer. The method then performs a scan of the second unit of video in the selected scan pattern for a transform process in the enhancement layer. | 2014-04-03 |
20140092983 | CODED BLOCK FLAG CODING FOR 4:2:2 SAMPLE FORMAT IN VIDEO CODING - Systems, methods, and devices for video coding that may obtain a rectangular chroma block having first and second square sub-blocks are disclosed. These systems, methods, and devices may also decode a first coded block flag (CBF) for the first square sub-block to indicate whether the first square sub-block includes at least one nonzero transform coefficient. These systems, methods, and devices may also decode a second CBF for the second square sub-block to indicate whether the second square sub-block includes at least one nonzero transform coefficient and not decoding a CBF for the rectangular chroma block. | 2014-04-03 |
20140092984 | PROCESSING OF PULSE CODE MODULATION (PCM) PARAMETERS - In one embodiment, a method determines a pulse code modulation (PCM) flag that indicates whether a PCM mode can be used to encode or decode a portion of video. A single conditional statement is evaluated once to determine if the PCM flag indicates the PCM mode is enabled. Based on the evaluating of the single conditional statement, when the PCM flag indicates the PCM mode is enabled, the method encodes or decodes a first PCM parameter, a second PCM parameter, a third PCM parameter, a fourth PCM parameter, and a fifth PCM parameter. The first PCM parameter, the second PCM parameter, the third PCM parameter, the fourth PCM parameter, and the fifth PCM parameter are encoded or decoded consecutively without any bits or syntax between them in or from an encoded bitstream associated with the portion of video. | 2014-04-03 |
20140092985 | CONTENT INITIALIZATION FOR ENHANCEMENT LAYER CODING - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 2014-04-03 |
20140092986 | Method and Apparatus for Data Compression Using Error Plane Coding - A method and apparatus of image data compression and decompression are disclosed. According to an embodiment of the present invention, the compression method partitions the image data into access units and encodes each access unit into a bitstream according to a target bit budget. Each access unit is encoded using first data compression to generate a first bitstream and the residual data is further encoded using second data compression to generate a second bitstream if the first bitstream is smaller than the target bit budget. In one example, the second data compression comprises bit plane coding applied to bit plane-ordered data, wherein the bit plane-ordered data is generated by scanning from a most significant bit to a least significant bit of the residual data in a bit plane-wise order. The decompression method comprises steps to recover reconstructed data from the first and second bitstreams. | 2014-04-03 |
20140092987 | ENTROPY CODING TECHNIQUES AND PROTOCOL TO SUPPORT PARALLEL PROCESSING WITH LOW LATENCY - In a communication system, parallel encoding and decoding of serially-coded data occurs in a manner that supports low latency communication. A plurality of data items may be coded as serially-coded data sequences and a transmission sequence may be built from them. An index table may be built having a plurality of entries representing respective start points of the serially-coded data sequences within the transmission sequence. The transmission sequence may be transmitted to a channel and, thereafter, the index table may be transmitted. Latencies otherwise involved in inserting an index table into the beginning of a transmission sequence may be avoided. | 2014-04-03 |
20140092988 | SYSTEMS AND METHODS FOR REFERENCE PICTURE SET EXTENSION - A method for sending information by an electronic device is described. The method includes creating reference picture set (RPS) information based on a coding structure. The method also includes determining whether to signal RPS extension information. The method additionally includes creating the RPS extension information if it is determined to signal RPS extension information. The method further includes sending the RPS extension information if it is determined to signal RPS extension information. | 2014-04-03 |
20140092989 | SYSTEM AND METHOD FOR TRANSFERRING NON-VIDEO DATA OVER A VIDEO INTERFACE - A video system includes a first video device. The first video device includes a video output port and an arbitrary data scrambler. The first video device transmits a video stream through the video output port. The video output port is configured to insert video timing reference values into the video stream. The arbitrary data scrambler is configured to scramble non-video data for transmission in the video stream such that unscrambled non-video data containing video timing reference values is transformed, without information loss, to scrambled non-video data containing no video timing reference values. | 2014-04-03 |
20140092990 | SYSTEM AND METHOD FOR OPTIMIZING VIDEOS - A computing device executing an optimizer analyzes a video. The computing device identifies one or more optimizations for the video based on the analysis. The computing device suggests the one or more optimizations to an entity associated with the video. In response to the entity accepting the one or more optimizations, the computing device implements the one or more optimizations for the video. | 2014-04-03 |
20140092991 | CONDITIONAL SIGNALLING OF REFERENCE PICTURE LIST MODIFICATION INFORMATION - Innovations in signaling of reference picture list (“RPL”) modification information. For example, a video encoder evaluates a condition that depends at least in part on a variable indicating a number of total reference pictures. Depending on the results of the evaluation, the encoder signals in a bitstream a flag that indicates whether an RPL is modified according to syntax elements explicitly signaled in the bitstream. A video decoder evaluates the condition and, depending on results of the evaluation, parses from a bitstream a flag that indicates whether an RPL is modified according to syntax elements explicitly signaled in the bitstream. The condition can be evaluated as part of processing for an RPL modification structure that includes the flag, or as part of processing for a slice header. The encoder and decoder can also evaluate other conditions that affect syntax elements for list entries of the RPL modification information. | 2014-04-03 |
20140092992 | SUPPLEMENTAL ENHANCEMENT INFORMATION INCLUDING CONFIDENCE LEVEL AND MIXED CONTENT INFORMATION - This application relates to video encoding and decoding, and specifically to tools and techniques for using and providing supplemental enhancement information in bitstreams. Among other things, the detailed description presents innovations for bitstreams having supplemental enhancement information (SEI). In particular embodiments, the SEI message includes picture source data (e.g., data indicating whether the associated picture is a progressive scan picture or an interlaced scan picture and/or data indicating whether the associated picture is a duplicate picture). The SEI message can also express a confidence level of the encoder's relative confidence in the accuracy of this picture source data. A decoder can use the confidence level indication to determine whether the decoder should separately identify the picture as progressive or interlaced and/or a duplicate picture or honor the picture source scanning information in the SEI as it is. | 2014-04-03 |
20140092993 | ERROR RESILIENT DECODING UNIT ASSOCIATION - Techniques are described for signaling decoding unit identifiers for decoding units of an access unit. The video decoder determines which network abstraction layer (NAL) units are associated with which decoding units based on the decoding unit identifiers. Techniques are also described for including one or more copies of supplemental enhancement information (SEI) messages in an access unit. | 2014-04-03 |
20140092994 | SUPPLEMENTAL ENHANCEMENT INFORMATION MESSAGE CODING - Techniques are described for signaling decoding unit identifiers for decoding units of an access unit. The video decoder determines which network abstraction layer (NAL) units are associated with which decoding units based on the decoding unit identifiers. Techniques are also described for including one or more copies of supplemental enhancement information (SEI) messages in an access unit. | 2014-04-03 |
20140092995 | ELECTRONIC DEVICES FOR SIGNALING A RANDOM ACCESS POINT PICTURE MESSAGE - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a picture is a random access point (RAP) picture. If the picture is a RAP picture, the electronic device generates a message including a RAP network access layer (NAL) unit type (NUT) and a RAP information parameter. If the picture is a RAP picture, the message does not include a NAL unit header (NUH) temporal identifier parameter. The electronic device sends the message. | 2014-04-03 |
20140092996 | SIGNALING OF LAYER IDENTIFIERS FOR OPERATION POINTS - A device for processing video data receives an indication of a maximum layer identification (ID) value for a bitstream; receives a flag for a first layer with a layer ID value less than the maximum layer ID value; and, based on a value of the flag, determines if the first layer is included in an operation point. | 2014-04-03 |
20140092997 | ERROR RESILIENT TRANSMISSION OF RANDOM ACCESS FRAMES AND GLOBAL CODING PARAMETERS - Error mitigation techniques are provided for video coding system in which input frames are selected for coding either as a Random Access Pictures (“RAP frames”) or as a non-RAP frame. Coded RAP frames may include RAP identifiers that set an ID context for subsequent frames. Coded non-RAP frames may include RAP identifiers that match the RAP identifiers that were included in the coded RAP frames. Thus, in the absence of transmission errors, a coded non-RAP frame should include a RAP identifier that matches the identifier of the preceding RAP frame. If the identifier of a non-RAP frame does not match the identifier of the RAP frame that immediately preceded it, then it indicates that a RAP frame was lost during transmission. In this case, the decoder may engage error recovery processes. | 2014-04-03 |
20140092998 | FRAME PACKING AND UNPACKING HIGHER-RESOLUTION CHROMA SAMPLING FORMATS - Video frames of a higher-resolution chroma sampling format such as YUV 4:4:4 are packed into video frames of a lower-resolution chroma sampling format such as YUV 4:2:0 for purposes of video encoding. For example, sample values for a frame in YUV 4:4:4 format are packed into two frames in YUV 4:2:0 format. After decoding, the video frames of the lower-resolution chroma sampling format can be unpacked to reconstruct the video frames of the higher-resolution chroma sampling format. In this way, available encoders and decoders operating at the lower-resolution chroma sampling format can be used, while still retaining higher resolution chroma information. In example implementations, frames in YUV 4:4:4 format are packed into frames in YUV 4:2:0 format such that geometric correspondence is maintained between Y, U and V components for the frames in YUV 4:2:0 format. | 2014-04-03 |
20140092999 | CROSS-PLANE FILTERING FOR CHROMA SIGNAL ENHANCEMENT IN VIDEO CODING - Cross-plane filtering may be used to restore blurred edges and/or textures in one or both chroma planes using information from a corresponding luma plane. Adaptive cross-plane filters may be implemented. Cross-plane filter coefficients may be quantized and/or signaled such that overhead in a bitstream minimizes performance degradation. Cross-plane filtering may be applied to select regions of a video image (e.g., to edge areas). Cross-plane filters may be implemented in single-layer video coding systems and/or multi-layer video coding systems. | 2014-04-03 |
20140093000 | METHOD FOR TRANSMITTING A SIGNAL FROM A TRANSMITTER TO A RECEIVER IN A POWER LINE COMMUNICATION NETWORK, TRANSMITTER, RECEIVER, POWER LINE COMMUNICATION MODEM AND POWER LINE COMMUNICATION SYSTEM - A method for transmitting a signal from a transmitter over a channel to a receiver on a Power Line Network, wherein said signal is OFDM-modulated on a set of sub-carriers, is proposed, wherein an OFDM tonemap and an eigenbeamforming encoding matrix are determined based on a channel estimation for each sub-carrier, a tonemap feedback signal and an eigenbeamforming feedback signal are generated, which are descriptive of said OFDM tonemap and said eigenbeamforming encoding matrix, respectively, and transmitted to the transmitter. A corresponding receiver, a transmitter, a power line communication and a power line communication system are described as well. | 2014-04-03 |
20140093001 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND METHOD FOR OPERATING COMMUNICATION SYSTEM - A communication system according to the present invention comprises a first communication device and a second communication device for performing power line communication using a power line as a transmission line with the first communication device, and in the communication system, the first communication device has a detection means for detecting a zero crossing timing of a commercial power supply and a transmitting means for transmitting a transmission signal modulated in OFDM mode at the zero crossing timing, the transmitting means first transmits a header signal (HS) having a preamble as the transmission signal when the power line communication is started, and the transmitting means transmits a data signal (DS) having no preamble as the transmission signal after the header signal (HS) is transmitted, and the second communication device has a receiving means for performing a demodulation process on the transmission signal which is received, to thereby obtain receive data. | 2014-04-03 |
20140093002 | PULSE-BASED BINARY COMMUNICATION - Systems and methods for pulse-based binary communication are provided. An example system may include a transmitting device and a receiving device. The transmitting device may be configured to generate a supply voltage for use in operating the receiving device and to cause at least one pulse to occur in the supply voltage, the at least one pulse being based on a binary value. The at least one pulse may comprise, for example, a temporary change in the supply voltage. The receiving device may be configured to receive the supply voltage from the transmitting device, to detect the at least one pulse in the supply voltage and to determine the binary value based on the at least one pulse. The receiving device may then perform an action based on the binary value. | 2014-04-03 |
20140093003 | DATA TRANSMISSION BETWEEN ASYNCHRONOUS ENVIRONMENTS - A method and system is provided for allowing signals across electrical domains. The method includes applying a clock signal (of at least 1 GHz) to an electronic element in a location having first electrical properties. Data is output from the first electronic element; and received at a second electronic element located in a location having second electrical properties. The first and second electrical properties are different by either voltage and clock frequency. | 2014-04-03 |
20140093004 | SYSTEMS AND METHODS FOR ESTABLISHING TRANSMISSION FORMAT PARAMETERS BETWEEN COMMUNICATION DEVICES - Systems and methods for establishing transmission format parameters between communication devices are provided. In some aspects, a method includes identifying, by a first base station, a first communication session with a first user equipment. A master set of transmission format parameters is shared between the first base station and the first user equipment. The method also includes assigning a first subset of the master set of transmission format parameters to the first communication session. The first subset is specifically assigned to the first communication session and specifies which of the master set of transmission format parameters is allocated for use in the first communication session. The method also includes transmitting an indicator of the first subset to the first user equipment. | 2014-04-03 |
20140093005 | METHOD FOR WIFI BEAMFORMING,FEEDBACK, AND SOUNDING (WIBEAM) - Methods for WiFi beamforming, feedback, and sounding (WiBEAM) are described. Codebook based beamforming feedback signaling and sounding mechanisms for use in wireless communications are disclosed. The methods described herein improve the feedback efficiency by using Givens rotation based decompositions and quantizing the resulting angles of the Givens rotation based decompositions using a range from a subset of [0, 2π]. Feedback may also be divided into multiple components to improve feedback efficiency/accuracy. Time domain beamforming reports for taking advantage of channel reciprocity while still taking into account practical radio frequency (RF) channel impairments are also described. Beamforming feedback that prioritizes the feedback bits in accordance with the significance of the bits is also disclosed. A preamble structure to enable the use of smoothing methods for improved channel estimation, codebook designs that may be used for codebook based beamforming feedback, and multi-resolution explicit feedback are disclosed as well. | 2014-04-03 |
20140093006 | WIRELESS PRECODING METHODS - Various wireless precoding systems and methods are presented. In some embodiments, a wireless transmitter comprises an antenna precoding block, a transform block, and multiple transmit antennas. The antenna precoding block receives frequency coefficients from multiple data streams and distributes the frequency coefficients across multiple transmit signals in accordance with frequency-dependent matrices. The transform block transforms the preceded frequency coefficients into multiple time domain transmit signals to be transmitted by the multiple antennas. The frequency coefficients from multiple data streams may be partitioned into tone groups, and all the frequency coefficients from a given tone group may be redistributed in accordance with a single matrix for that tone group. In some implementations, the frequency coefficients within a tone group for a given data stream may also be precoded. In some alternative embodiments, tone group preceding may be employed in a single channel system. | 2014-04-03 |
20140093007 | Method and Apparatus for Communication by Means of a Transformer - A method for communication by means of a transformer, which has at least a primary coil and a secondary coil, which are parts of an oscillatory circuit, wherein the oscillatory circuit is supplied on the primary side with an exciter frequency. For transmission of a signal from the secondary side to the primary side, the inductance of the secondary coil is modulated. A corresponding apparatus for performing the method is likewise provided. | 2014-04-03 |
20140093008 | SYSTEM AND METHOD FOR IMPROVED WAVEFORM AND ENHANCED RECEIVER ALGORITHM FOR HIGH PENETRATION ALERTING IN A MOBILE SATELLITE COMMUNICATIONS SYSTEM - An approach is provided for high penetration alerting in a mobile satellite system. A message is generated for transmission to a wireless terminal. The message is partitioned into a number of symbols, each symbol composed of a portion of the message. The symbols are encoded via FEC coding to generate outer coded symbols, and each outer coded symbol is encoded based on a corresponding binary orthogonal sequence. The inner coded symbols are modulated based on a binary modulation scheme, and pulse shaped to generate message bursts for transmission to the wireless terminal. Each message burst reflects a group of the inner coded symbols, wherein the grouping of the inner coded symbols facilitates joint sequence detection by the wireless terminal, and each message burst exhibits relatively low peak-to-average power ratio. | 2014-04-03 |
20140093009 | DISTRIBUTED POLYPHASE FILTER - In one embodiment, an apparatus includes a clock generator to generate differential clock signals. The apparatus also includes a distributed polyphase filter to obtain phase-corrected multi-phase clock signals based on the differential clock signals. | 2014-04-03 |
20140093010 | DEVICE AND A METHOD FOR FIXING A GAIN OR ATTENUATION FACTOR - A device for fixing a gain or attenuation factor for a gain or attenuation element during a transmission of a sequence of synchronization-data symbols registers the signal level of a received signal at the input of the gain or attenuation element. It then identifies the start of transmission of the sequence of synchronization-data symbols on the basis of the signal level of the registered, received signal and signals the time interval for the fixing of the gain or attenuation factor starting with the identified start of transmission of the sequence of synchronization-data symbols. | 2014-04-03 |
20140093011 | SIGNAL GENERATING DEVICE AND RADIO DEVICE - According to some embodiments, there is provided a signal generating device, including a signal generator and a local signal generating unit. The signal generator generates a signal of a fixed frequency. The local signal generating unit generates, based on the signal of the fixed frequency, a first local signal to convert a frequency of a first signal, and a second local signal to convert a frequency of a second signal. The second signal is a signal resulting from that the first signal is subjected to frequency conversion based on the first local signal and has a frequency different from the first local signal. | 2014-04-03 |
20140093012 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN MULTIPLE-ANTENNA SYSTEM - Embodiments of the present invention disclose a method and an apparatus for transmitting data in a multiple-antenna system, which are applied in a transmit diversity mode. The method includes: in a data transmission period, determining, according to transmission quality of the system, the number of antennas to be turned off and turning-off time; and in the turning-off time, turning off the determined number of antennas, turning on remaining antennas other than the antennas that are turned off, and transmitting, through the remaining antennas, the data to be transmitted; and during the remaining time of the data transmission period excluding the turning-off time, turning on all antennas and transmitting, through all the antennas, the data to be transmitted. According to the embodiments of the present invention, power consumption may be decreased while at the same time dynamic transmission performance of the system is considered, decreasing implementation complexity. | 2014-04-03 |
20140093013 | TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEIVING DEVICE AND RECEIVING METHOD - Provided is a frame configuration usable for both SISO transmission and MISO and/or MIMO transmission. According to the frame configuration, a frame has a preamble, a control symbol, and transmission data symbols. A transmission device includes the designation of a transmission scheme of the transmission data symbols in the control symbol and includes the designation of a transmission scheme of the control symbol in the preamble. This improves the reception performance (detection performance) of a reception device. | 2014-04-03 |
20140093014 | SYSTEM TIMING MARGIN IMPROVEMENT OF HIGH SPEED I/O INTERCONNECT LINKS BY USING FINE TRAINING OF PHASE INTERPOLATOR - Methods and apparatus for improving system timing margin of high speed I/O (input/output) interconnect links by using fine training of a phase interpolator are described. In some embodiments, I/O links use forward clock architecture to send data from transmit driver to receiver logic. Moreover, at the receiver side, Phase Interpolator (PI) logic may be used to place the sampling clock at the center of the valid data window or eye. In an embodiment, a Digital Eye Width Monitor (DEWM) logic may be used to measure data eye width in real time. Other embodiments are also disclosed. | 2014-04-03 |
20140093015 | Circuits and Methods for Time-Average Frequency Based Clock Data Recovery - A clock data recovery circuit includes a binary phase detector configured to receive an incoming data signal and a recovered clock, and output a phase offset signal and recovered data; a digital loop control circuit configured to receive the phase offset signal and output a control signal; and a digital frequency generator configured to receive the control signal and output the recovered clock. A method of clock recovery includes generating a digital phase offset signal from incoming data and feedback clock signals; generating a clock frequency control signal from the phase offset signal; generating a recovered clock in response to the control signal; slowing down the recovered clock when the digital phase offset signal has a first binary state; speeding up the recovered clock when the digital phase offset signal has a second binary state; and holding the recovered clock when the digital phase offset signal has a third binary state. | 2014-04-03 |
20140093016 | RECTIFICATION CIRCUIT AND WIRELESS COMMUNICATION APPARATUS USING THE SAME - A rectification circuit includes a first field-effect transistor and a bias voltage generation circuit. The field-effect transistor includes a first gate terminal, a first source terminal, a first source region having a first p-type diffusion layer and connected to the first source terminal, a first drain terminal, and a first drain region having a first n-type diffusion layer and connected to the first drain terminal. The bias voltage generation circuit is configured to apply a DC voltage between the first gate terminal and the first drain terminal. | 2014-04-03 |
20140093017 | Joint Processing in Cooperative Radio Communications Networks - A first radio frequency, RF, signal is directly received from a first source radio node in a radio destination node. The first RF signal includes a coded first source information signal. A second RF signal is directly received from a second source radio node that includes a coded second source information signal. A third RF signal is received from an intermediate network node that includes a network coded signal which is a combined coded information signal generated at the intermediate node after demodulating the coded first source information signal and the coded second source information signal received from the first and second source radio nodes. The coded first source information signal, the coded second source information signal, and the combined coded information signal are jointly processed to produce | 2014-04-03 |
20140093018 | FREQUENCY OFFSET ESTIMATION METHOD AND ASSOCIATED APPARATUS APPLIED TO MULTI-CARRIER COMMUNICATION SYSTEM - A frequency offset estimation method for a multi-carrier communication system is provided. The method includes: transforming a representation of a reception signal from a time domain to a frequency domain, and generating a plurality of symbols; calculating a correlation of two symbols among the symbols, and obtaining a plurality of correlating complex numbers corresponding to a plurality of subcarriers; generating M number of candidate subcarrier position sets according to a subcarrier position set of a specific signal and M number of candidate frequency offsets; calculating M number of calculated values according to the correlating complex numbers corresponding to the M number of candidate subcarrier position sets; and determining a frequency offset according to the maximum calculated value among the M number of calculated values. | 2014-04-03 |
20140093019 | RECEIVER - A receiver for receiving an RF signal transmitting a bit sequence representing a symbol is provided. The receiver includes an oscillator, a counter, at least one state machine and at least one correlator. The oscillator is configured to oscillate dependent on the received RF signal, wherein the oscillator signal is controlled to provide an oscillation signal based on the oscillation during a plurality of subsequent active periods. The counter is configured to provide a counter value describing threshold crossings of the oscillator signal for each of the active periods. The at least one state machine is connected to the counter and configured to output state values, each state value dependent on two subsequent counter values. The at least one correlator is configured to correlate the output state values with a predefined bit sequence and to output a value representing the symbol dependent on the correlation. | 2014-04-03 |
20140093020 | WIRELESS COMMUNICATION DEVICE AND METHOD OF DETERMINING REFERENCE SIGNAL - A wireless communication device according to the present invention includes a standard signal holding unit for holding a plurality of standard signals, a correlation value calculation unit for performing a correlation operation between a received signal and the plurality of standard signals, and a reference signal selection unit for determining a reference signal from among the plurality of standard signals on the basis of a correlation operation result obtained by the correlation value calculation unit. When a correlation value peak which provides a maximum value is not detected among a plurality of correlation values obtained by the correlation operation between the received signal and the plurality of standard signals, the reference signal selection unit repeats a predetermined number of times, a process of performing a correlation operation between a new standard signal which is generated so that a head of a data part is located at some midpoint in a predetermined symbol interval and the received signal. | 2014-04-03 |
20140093021 | METHODS AND APPARATUSES FOR ENHANCED RECEIVED SIGNAL PROCESSING BASED ON A DATA-SIGNAL-AIDED CHANNEL IMPULSE RESPONSE ESTIMATION - The present disclosure presents methods and apparatuses for enhanced received signal processing using signal-based channel impulse response (CIR) estimation. For example, according to an example method presented herein, a user equipment (UE) or a component therein may receive a signal corresponding to a transmitted signal sent by a network entity, wherein the transmitted signal comprises at least a data channel, estimate chip contents of the transmitted signal, based on the received signal including the data channel, to obtain estimated chip contents, and compute an estimated channel impulse response (CIR) based on at least the estimated chip contents. Based on this estimated CIR, the UE may thereafter reprogram a received signal reconstruction filter, perform interference cancelation procedures, and/or adjust one or more equalizer taps. By performing such functions, the UE may exhibit improved communication characteristics and enable a more robust user experience. | 2014-04-03 |
20140093022 | Method, System, and Apparatus for Dynamically Adjusting Link - A method, a system, and an apparatus for dynamically adjusting a link, where the method includes: determining, by a transmitting end, link adjustment information according to the data traffic change when detecting a change of data traffic, where the link adjustment information contains the number of required working links; and adjusting, by the transmitting end, the number of working links on an interface of the transmitting end according to the determined link adjustment information, and sending a configuration request to a receiving end, where the configuration request includes the link adjustment information; and after receiving the configuration request, adjusting, by the receiving end, the number of working links on an interface of the receiving end according to the configuration request. In the embodiments of the present invention, data transmission on an original working link is not affected, thereby saving bandwidth and power consumption. | 2014-04-03 |
20140093023 | RF Carrier Synchronization and Phase Alignment Methods and Systems - A method comprising generating a baseband information signal by mixing a received modulated carrier signal with a local oscillator (LO) signal having an LO frequency; obtaining baseband signal samples of the baseband information signal having a baseband signal magnitude and a baseband signal phase; determining a cumulative phase measurement associated with baseband signal samples having a baseband signal magnitude greater than a threshold; and, applying a correction signal to compensate for an LO frequency offset of the LO frequency based on the cumulative phase. | 2014-04-03 |
20140093024 | RF Carrier Synchronization and Phase Alignment Methods and Systems - A method comprising generating a baseband information signal by mixing a received modulated carrier signal with a local oscillator (LO) signal having an LO frequency; obtaining baseband signal samples of the baseband information signal having a baseband signal magnitude and a baseband signal phase; determining a cumulative phase measurement associated with baseband signal samples having a baseband signal magnitude greater than a threshold; and, applying a correction signal to compensate for an LO frequency offset of the LO frequency based on the cumulative phase. | 2014-04-03 |
20140093025 | ARRANGEMENT AND METHOD FOR PROVIDING AN EMERGENCY SUPPLY TO A NUCLEAR INSTALLATION - The invention relates to a method and an arrangement for providing an emergency supply to a nuclear installation. The arrangement comprises a container ( | 2014-04-03 |
20140093026 | NON-VOLATILE MEMORY COUNTER - A counter in a non-volatile memory including at least two sub-counters, each counting with a different modulo, an increment of the counter being transferred on a single one of the sub-counters and the sub-counters being incremented sequentially. | 2014-04-03 |
20140093027 | SHIFT REGISTER - A shift register includes a plurality of stages, each of which outputs a carry pulse and a scan pulse. An nth one of the stages includes a carry output switching device controlled by a voltage applied to a set node and connected between a carry clock transfer line transferring any one of i carry clock pulses and a carry output terminal of the nth stage, a scan output switching device controlled by the voltage applied to the set node and connected between a scan clock transfer line transferring any one of j scan clock pulses and a scan output terminal of the nth stage, and a stabilization switching device controlled by any one of the i carry clock pulses and connected between a carry output terminal of an (n−p)th one of the stages and the set node or between a start transfer line and the set node. | 2014-04-03 |
20140093028 | SHIFT REGISTER UNIT AND DRIVING METHOD THEREOF, SHIFT REGISTER AND DISPLAY APPARATUS - The present disclosure relates to a shift register unit and a driving method thereof, a shift register and a display apparatus. The shift register unit includes a carry signal output terminal(CA(n)); a driving signal output terminal(OUT(n)); a staged output module( | 2014-04-03 |
20140093029 | RADIOGRAPHIC IMAGE GENERATION DEVICE AND METHOD - Radiographic images for different imaging directions taken by applying radiation to a subject from the different imaging directions are obtained, and a plurality of first tomographic images having a first slice thickness are generated based on the obtained plurality of radiographic images and a plurality of second tomographic images having a second slice thickness that is greater than the first slice thickness are generated based on the radiographic images. Then, MinIP processing is applied to the first tomographic images to generate a MinIP image, and MIP processing is applied to the second tomographic images to generate a MIP image. Then, combining processing is performed using the MinIP image and the MIP image to generate a composite image. | 2014-04-03 |
20140093030 | X-RAY CT SYSTEM, IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY METHOD - Techniques are provided that enable displaying of medical images that depict cyclic motions in the subject. An X-ray CT system scans, with X-rays, the subject whose targeted region is experiencing a cyclic motion and acquires detection data. This X-ray CT system comprises a reconstruction processor, a moving image creator, and a display controller. The reconstruction processor generates a plurality of sets of volumetric data based on a plurality of sets of detection data that have been acquired during one cycle of the cyclic motion. The moving-image creator creates a moving image that shows the cyclic motion, on the basis of at least a part of the plural sets of volumetric data. The display controller superposes the moving image over an image based on the volumetric data and displays these images on the display unit. | 2014-04-03 |
20140093031 | TOMOGRAPHIC IMAGING WITH ASYMMETRIC DETECTION - A recording unit is rotatable about an axis of rotation, and includes an X-ray emitter and detector to detect X-rays from a fan-shaped region. The fan-shaped region is asymmetrical in relation to a vertical to the axis of rotation, running through the X-ray detector wherein the two edges of the fan-shaped region, on rotation, in each case tangentially delimit a first projection region and a second projection region. The second projection region abuts the first projection region. A method includes recording projections of the two projection regions during a full rotation of the recording unit for the reconstruction of a first image of the first projection region in such a way that the projection angle intervals in each case exhibit the same start angle. It further includes reconstructing a second image of the second projection region to merge the two reconstructed projection regions to form one unitary image. | 2014-04-03 |
20140093032 | CONFIGURATION AND METHOD FOR TOMOSYNTHETIC FLUOROSCOPY - A configuration and an associated operating method for tomosynthetic fluoroscopy utilize an x-ray emitter and with an x-ray detector. The configuration further contains a mounting device, which is rotatably mounted about a rotational axis and about which the x-ray emitter is arranged such that the optical axis of the x-ray emitter is directed to the x-ray detector and that, in the case of a rotation of the mounting device, the focus of the x-ray emitter describes a circular path. An advantage offered by the invention lies in ensuring robust tomosynthetic fluoroscopy. | 2014-04-03 |
20140093033 | PRESS PLATE AND RADIOGRAPHIC IMAGING APPARATUS - A press plate includes: a press section that is disposed to face towards an imaging face of an imaging table and is resiliently deformable; and a movable support point portion that is movable and supports the press section at the opposite side to the imaging face so that a reaction force occurring at the press section is adjusted according to a position of the movable support point portion to support the press section. The press plate may further include: a support section that is disposed separated from the press section on the opposite side to the imaging face and with at least one end portion coupled to one end portion of the press section, wherein the movable support point portion is movable between the press section and the support section so that a deformation amount of the press section is adjusted by such movement. | 2014-04-03 |
20140093034 | PRESS PLATE AND RADIOGRAPHIC IMAGING APPARATUS - A press plate includes: a press section that is disposed to face towards an imaging face of an imaging table and is resiliently deformable; and a reaction force section that is capable of supporting the press section from the opposite side to the imaging face, that has a variable support force, and that adjusts the reaction force arising in the press section by changing the support force to the press section. The press plate may further includes a reaction force adjustment mechanism that changes the support force of the reaction force section. | 2014-04-03 |
20140093035 | GAMMA RADIATION BREAST IMAGING APPARATUS - A gamma radiation breast imaging apparatus, comprising an object positioning device, defining an imaging space and having as an intended insertion direction of the breast to be imaged, and a gamma camera positioned to image a volume in said imaging space. The gamma camera comprises a collimator with a first plurality of focused pinholes, the individual fields of view of the first pinholes defining a common central field of view having a geometrical centre. The apparatus also has a gamma sensitive detector to receive images from the collimator. The first pinholes are provided non-symmetrically with respect to a first plane through said geometrical centre that is perpendicular to the collimator and parallel to said intended insertion direction. Hereby, more angular information about the scanned volume can be obtained for the same detector size, in particular when combined with a similar opposite camera. | 2014-04-03 |
20140093036 | TOMOGRAPHIC IMAGE GENERATION DEVICE AND METHOD - Radiographic images for different imaging directions taken by applying radiation to a subject from the different imaging directions are obtained, and a plurality of tomographic images of the subject are generated based on the obtained plurality of radiographic images. Then, compression processing in the direction perpendicular to slice planes of the generated tomographic images is applied to the tomographic images to generate compressed tomographic images, wherein a range of the imaging directions is obtained, and a compression rate of the compression processing is set based on the obtained range of the imaging directions. | 2014-04-03 |
20140093037 | Measuring a Flow-Rate and Composition of a Multi-Phase Fluid Mixture - An apparatus for measurement of a flow-rate and/or a composition of a multi-phase fluid mixture is provided. The apparatus includes a radiation device that generates a pulsed beam of photons to irradiate the fluid mixture spatially along a section of flow of the mixture. A controlling device is configured to apply a predetermined, time-dependent voltage to the radiation device during a single pulse of photons. A detection device is spatially configured for receiving photons emanating from the section of flow of the mixture at different points in time during the pulse of photons to form images of a spatial distribution of the received photons for each of points in time. An analysis device is configured for determining the flow rate of one or more phases of the mixture and/or the composition of the mixture based on a temporal sequence of the images of the spatial distribution of the received photons. | 2014-04-03 |
20140093038 | RADIATION DETECTOR AND MEASUREMENT DEVICE FOR DETECTING X-RAY RADIATION - The invention relates to a radiation detector ( | 2014-04-03 |
20140093039 | RADIOGRAPHY IMAGING AND RADIATION DETECTION SYSTEM - A radiography imaging apparatus comprises a radiation source to generate radiation for irradiation of a patient. A radiation detection unit comprises a plurality of detection modules to detect radiation having passed through the patient and to convert the radiation into an electrical signal and to convert the electrical signal into a digital signal to provide digital data. A data collection unit collects the digital data from the plurality of detection modules for use in generation of a radiography image of the patient, wherein each of the plurality of detection modules transmits the digital data to a neighboring detection module, and at least one of the plurality of detection modules transmits cumulative digital data acquired from the plurality of detection modules to the data collection unit. | 2014-04-03 |
20140093040 | MOBILE RADIATION IMAGING APPARATUS AND MOBILE RADIATION IMAGING SYSTEM - A mobile radiation imaging apparatus includes a radiation generation unit configured to generate radiation, a cart, a supporting member formed on the cart and configured to hold the radiation generation unit in a movable manner with respect to the cart, a detection unit configured to detect arrangement of the radiation generation unit in a particular non-imaging position, and a control unit configured to limit a motion of the supporting member according to a detection result by the detection unit. | 2014-04-03 |
20140093041 | DETECTING APPARATUS, RADIATION DETECTING SYSTEM, AND METHOD OF MANUFACTURING DETECTING APPARATUS - A sensor panel provided with a photoelectric conversion element that detects entering light, a columnar-structure scintillator layer arranged on the sensor panel, a light reflection layer formed on the columnar-structure scintillator layer, and a resin layer including a particulate scintillator formed between the columnar-structure scintillator layer and the light reflection layer are included in a detecting apparatus, and the resin layer includes a particulate scintillator. | 2014-04-03 |
20140093042 | RADIATION GENERATING UNIT AND RADIOGRAPHY SYSTEM - A radiation generating unit includes a radiation tube that has a vacuum chamber that has a cathode and anode at both ends of an insulating tubular member and is arranged inside a storage container filled with an insulating liquid in a state in which the radiation tube is arranged inside an insulating outer casing tube with a gap from a surrounding, wherein walls which partition the gap between the radiation tube and outer casing tube are provided while allowing a flow of the insulating liquid between the cathode side and anode side of the radiation tube and leaving in the gap a flow path which does not linearly continue to the cathode side and anode side. | 2014-04-03 |