Patent application number | Description | Published |
20090263029 | METHOD AND APPARATUS FOR ENCODING/DECODING 3D MESH INFORMATION - A method and apparatus for encoding and decoding three-dimensional mesh information are provided. The method and apparatus separately encode/decode order information of elements, such as vertices and faces, of a three-dimensional mesh model (original model) in consideration of a change in an element order during encoding three-dimensional mesh information for the original model. The method for encoding three-dimensional mesh information includes the steps of: encoding the three-dimensional mesh information and outputting an encoded bit-stream; calculating order information of at least one element in an original model contained in the three-dimensional mesh information; encoding the element order information; and generating packets of the encoded bit-stream, wherein the encoded element order information is inserted into the packet. | 10-22-2009 |
20090278844 | METHOD AND APPARATUS FOR ENCODING/DECODING 3D MESH INFORMATION INCLUDING STITCHING INFORMATION - Provided are encoding and decoding stitching information generated when the 3D mesh model that is the non-manifold or non-orientable model is converted into orientable and manifold models upon encoding the 3D mesh information of the 3D mesh model. The method of encoding 3D mesh information includes the steps of: encoding the 3D mesh information to output an encoded bitstream; encoding stitching information of elements contained in the 3D mesh information, the stitching information having a total number of duplicated original elements and, for each of the duplicated original elements, the duplication number, original-element identification information and duplicated-element identification information; and generating a packet of the bitstream, wherein the encoded stitching information is inserted into the packet. | 11-12-2009 |
20100195898 | METHOD AND APPARATUS FOR IMPROVING QUALITY OF DEPTH IMAGE - A method and apparatus for enhancing quality of a depth image are provided. A method for enhancing quality of a depth image includes: receiving a multi-view image including a left image, a right image, and a center image; receiving a current depth image frame and a previous depth image frame of the current depth image frame; setting an intensity difference value corresponding to a specific disparity value of the current depth image frame by using the current depth image frame and the previous depth image frame; setting a disparity value range including the specific disparity value; and setting an intensity difference value corresponding to the disparity value range of the current depth image frame by using the multi-viewpoint image. | 08-05-2010 |
20100315486 | STEREOSCOPIC VIDEO SERVICE PROVIDING/RECEIVING METHOD AND APPARATUS IN DIGITAL BROADCASTING SYSTEM - Provided is a stereoscopic video service providing method using a stereoscopic video stream including first and second video streams in a digital broadcasting system. The stereoscopic video service providing method includes: generating information on the first video stream and information on the second video stream; inserting an identifier of the information on the second video stream into the information on the first video stream; and transmitting the first video stream and the information on the first video stream and the second video stream and the information on the second video stream through separate transmission channels, respectively. | 12-16-2010 |
20110010739 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING STEREOSCOPIC VIDEO IN DIGITAL BROADCASTING SYSTEM - Provided is a method for transmitting a stereoscopic video in a digital broadcasting system, the stereoscopic video being composed of a left view and a right view. The method includes: generating information indicating that the video is stereoscopic, information about a composition type of the stereoscopic video, and additional information based on the composition type; and transmitting the stereoscopic video and the generated information. The composition type is to compose the stereoscopic video of a single or two encoding streams by using the left view and the right view. In the case of a single stream mode in which the stereoscopic video is composed of the single encoding stream, the additional information includes information about positions of the left and right views. In the case of a dual stream mode in which the stereoscopic video is composed of the two encoding streams, the additional information includes information indicating whether the respective encoding streams are the left view or the right view and information indicating correlation between the respective encoding streams. | 01-13-2011 |
20110175985 | METHOD OF GENERATING CONTENTS INFORMATION AND APPARATUS FOR MANAGING CONTENTS USING THE CONTENTS INFORMATION - The present invention relates to a method of generating contents information for managing contents including stereo-scopic contents being two-dimensional contents and three dimensional contents, and an apparatus for managing contents, the method including the steps of, when there is a scene change of contents, adding a second field including information on each of a plurality of scenes corresponding to a plurality of types, respectively, to the contents information. | 07-21-2011 |
20120044321 | APPARATUS AND METHOD FOR MONITORING BROADCASTING SERVICE IN DIGITAL BROADCASTING SYSTEM - A broadcasting service monitoring apparatus includes: a stream separation unit to extract a partial stream from an inputted 3D stream and separate detailed stream configuration and service-related information and a stream for 3D video service from the 3D stream; a configuration information analysis unit to minutely analyze the separated service-related information and the separated stream for 3D video service; a 2D image decoding unit to decode the separated stream for 3D video service into a predetermined image; an image separation unit to separate one screen of the decoded predetermined image into two screens and generate two images; a 3D image reproduction unit to reproduce the generated two images; a depth information extraction unit to extract depth information for 3D video service from the generated two images; and a 3D information representation unit to represent the analyzed values and the extracted depth information. | 02-23-2012 |
20120062698 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM - Disclosed is an apparatus and method for transmitting/receiving reference image data and 3D additional image data in 3D image data so as to provide a 3D image in a digital broadcasting system. In the method, a basic image and a 3D additional image in a 3D image of a 3D broadcasting service is processed in a stereoscopic image format of one of a side-by-side method and a top-down method. The basic image and the 3D additional image processed in the stereoscopic image format are encoded to a basic image stream and a 3D additional image stream. The encoded basic image stream and the encoded 3D additional image stream are multiplexed to a 3D image stream of a single stream using a dual stream method, and the multiplexed 3D image stream is then transmitted. | 03-15-2012 |
20120212578 | METHOD AND APPARATUS OF CODING STEREOSCOPIC VIDEO - Disclosed are a method and an apparatus for coding a stereoscopic video. The method of coding a stereoscopic video includes coding an original reference image; performing preprocessing based on the original reference image, a decoded reference image, and an original additional image; coding the original addition image based on the original additional image and an improved decoding image obtained by performing the preprocessing; and performing postprocessing based on the original additional image and a decoded additional image. | 08-23-2012 |
20120274741 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING STEREOSCOPIC VIDEO - A method of receiving stereoscopic video according to the present invention includes receiving a bit stream including image information, extracting a base image stream corresponding to a base image and an additional image stream corresponding to an additional image from the bit stream, generating the base image and the additional image by decoding the base image stream and the additional image stream, respectively, and generating a left image and a right image by using at least one of the base image and the additional image. According to the present invention, | 11-01-2012 |
20130083165 | APPARATUS AND METHOD FOR EXTRACTING TEXTURE IMAGE AND DEPTH IMAGE - Provided are an apparatus and method for extracting a texture image and a depth image. The apparatus of the present invention may project a pattern image on a target object, may capture a scene image on which the target image is reflected from the target object, and may simultaneously extract the texture image and the depth image using the scene image. | 04-04-2013 |
20130114767 | APPARATUS AND METHOD FOR ENHANCING CHANNEL ESTIMATION ACCURACY IN COMMUNICATION SYSTEM - An apparatus and method for calculating a correlation value using a first channel impulse response estimated from a received signal, determining a weight value based on the correlation value, applying the weight value to the first channel impulse response, and estimating a second channel impulse response is provided. | 05-09-2013 |
20130128732 | APPARATUS AND METHOD FOR FAST LOAD BALANCING BANDWIDTH ALLOCATION BASED ON BINARY SEARCH - An apparatus and method for fast load balancing bandwidth allocation based on a binary search may be provided, wherein the apparatus may include a bandwidth allocation request receiving unit to receive a bandwidth allocation request signal from at least one modem, and a bandwidth allocation processing unit to allocate a bandwidth to an upstream channel of the at least one modem, using a load balancing algorithm, in response to the received bandwidth allocation request signal. | 05-23-2013 |
20130129021 | AUTOMATIC GAIN CONTROLLING DEVICE, ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) RECEIVER EMPLOYING HIGH-ORDER QUADRATURE AMPLITUDE MODULATION (QAM) AND USING AUTOMATIC GAIN CONTROLLING DEVICE, AND MANUFACTURING METHOD OF AUTOMATIC GAIN CONTROLLING DEVICE - Provided is an automatic gain controlling device that may prevent deterioration in performance of an orthogonal frequency division multiplexing (OFDM) receiver, on a cable network that performs communication by an orthogonal frequency division multiplexing (OFDM) scheme using high-order quadrature amplitude modulation (QAM), the automatic gain controlling device including a power computing unit to compute a power of a signal received by the OFDM receiver, and a gain controller to control a gain of the received signal based on the computed power of the received signal. | 05-23-2013 |
20130148028 | DYNAMIC HYBRID BROADCASTING METHOD AND APPARATUS FOR REDUCING POOR RECEPTION AREA OF WIRELESS DIGITAL BROADCASTING SIGNAL - Provided is a broadcasting receiver including a broadcasting signal receiving unit to receive a broadcasting signal via a broadcasting network, a viewing possibility determining unit to determine whether it is possible for a viewer to view the broadcasting signal, a multicasting signal receiving unit to receive a multicasting signal via a wireless communication network, a switching and combining unit to combine or switch the received broadcasting signal and the multicasting signal, and a controlling unit to request the multicasting signal transmitting unit to multicast the multicasting signal based on the determination result, to request the multicasting signal receiving unit to receive the multicasting signal, and to control the switching and combining unit depending on whether the multicasting signal is received. | 06-13-2013 |
20130160048 | SYSTEM AND METHOD OF PROVIDING SIGN LANGUAGE BROADCASTING SERVICE - Provided is a system and method of providing a sign language broadcasting service to viewers having hearing impairments, and more particularly, the system and method of providing a sign language broadcasting service that may enable a user to select an option of viewing only a broadcast image, or an option to viewing both the broadcast image and a sign language interpreting image, by transmitting the broadcast image and the sign language interpreting image using different transport streams. | 06-20-2013 |
20130160069 | APPARATUS AND METHOD FOR BONDING BROADCAST CHANNEL - An apparatus for bonding a broadcast channel, including an encoder to output at least one broadcasting program in a form of a transport stream (TS) packet by encoding the at least one broadcasting program, a multiplexer to multiplex the TS packets by mixing the TS packets with signaling information, and a transmitter to transmit the multiplexed TS packet by distributing the multiplexed TS packet via bonded channels, and the transmitter transmits control packets to control the TS packets along with the TS packets through the bonded channels via which the TS packets is transmitted is provided. | 06-20-2013 |
20130179933 | HEADEND DEVICE FOR CABLE NETWORK AND METHOD OF OPERATING HEADEND DEVICE - Disclosed is a headend device for a cable network and a method of operating the headend device. The headend device for a hybrid fiber coaxial (HFC)-based cable network may transmit a digital video data stream and an Internet Protocol (IP) data stream input using various input interface standards integratedly based on a frequency channel standard for the cable network to improve efficiency. | 07-11-2013 |
20130271568 | TRANSMITTING SYSTEM AND RECEIVING APPARATUS FOR PROVIDING HYBRID SERVICE, AND SERVICE PROVIDING METHOD THEREOF - A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a RF communication network; a second receiving unit that can be connected to an IP network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the IP communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data. | 10-17-2013 |
20130271657 | RECEIVING APPARATUS FOR PROVIDING HYBRID SERVICE, AND HYBRID SERVICE PROVIDING METHOD THEREOF - A receiving apparatus includes a first receiving unit that receives signaling information and a first signal comprising reference data through a radio frequency broadcast network; a control unit that detects a plurality of additional data source information from the signaling information; a second receiving unit that accesses an internet protocol communication network, and receives a second signal comprising additional data from a source apparatus corresponding to each of the plurality of additional data source information; a storage unit that stores the reference data contained in the first signal and the additional data contained in the second signal; and an output unit that processes, synchronizes and outputs each of the reference data and additional data. | 10-17-2013 |
20130283331 | METHOD AND APPARATUS FOR INSERTING BROADCAST PROGRAM BY DETECTING AVAILABLE CHANNEL OVER HYBRID FIBER COAX NETWORK OR OPTICAL CABLE NETWORK - An apparatus for combining a broadcasting channel may include a channel detector to detect a vacant Radio Frequency (RF) broadcasting channel used by a photoelectric converter that converts a first broadcast program as an optical signal to a first RF signal, a broadcast receiving interface to receive at least one second broadcast program, a broadcast modulator to generate a second RF signal by modulating the second broadcast program using the vacant RF broadcasting channel, and a channel combiner to combine a broadcasting channel used for the first RF signal and the vacant RF broadcasting channel. | 10-24-2013 |
20140087683 | METHOD AND APPARATUS OF TEMPORARY LOCAL TRANSMISSION FOR DISASTER INFORMATION DELIVERY - Disclosed is a method of receiving, by a terminal, an additional network service provided through a temporary base station disposed temporarily or locally in order to transfer disaster information, including: receiving information on the additional network through an existing network service provided by a base station; verifying whether the terminal is handed over to the additional network based on the information on the additional network; and receiving the additional network service through the additional network. According to the present invention, even when a communication service disability occurs due to a flood of telephone traffic in an area where a disaster situation or an event occurs, a communication service can be provided through the additional network in terms of the communication service and a broadcasting channel that provides information specific to the disaster situation or event can be temporarily or locally additionally provided. | 03-27-2014 |
20140112395 | METHOD AND APPARATUS FOR DECODER BUFFERING IN HYBRID CODED VIDEO SYSTEM - Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (T-STD) stipulated in the first video encoder and a buffer size of a second T-STD stipulated in the second video encoder. | 04-24-2014 |
20140133597 | METHOD FOR TRANSMITTING AND RECEIVING DATA IN OFDM SYSTEM AND APPARATUS THEREOF - Disclosed are a method for transmitting and receiving data and an apparatus thereof, and more particularly, a method for transmitting and receiving data and an apparatus thereof in an orthogonal frequency division multiplexing (OFDM) system. The method for transmitting data in an OFDM system according to the present invention includes encoding and modulating data to be transmitted, configuring the modulated data by a frame constituted by N (an integer larger than 0) OFDM symbols, and transmitting the configured frame, in which the frame includes a first OFDM symbol including a pilot symbol and a second OFDM symbol including lower-order modulated than the modulated data. | 05-15-2014 |
20140160541 | HOLOGRAPHIC IMAGE IDENTIFICATION APPARATUS AND METHOD, AND HOLOGRAPHIC IMAGE SELECTIVE RECONSTRUCTION APPARATUS, METHOD AND SYSTEM - Disclosed is an apparatus for identifying authenticity of a holographic image, which is capable of identifying the authenticity by comparing a holographic image reconstructed by irradiating light having the same characteristic as an irradiation characteristic of a first reference beam used in generating the holographic image with an original image. Accordingly, since an image or a pattern is recorded by using a reference beam having a specific angle and a specific laser wavelength band in making a hologram, replication or copying for forgery is prevented from being easy. | 06-12-2014 |
20140165125 | BROADCASTING SYSTEM AND BROADCASTING METHOD OF PROVIDING MULTI-PICTURE - A broadcasting transmitting apparatus of providing a multi-picture may include a multi-picture generator configured to divide an acquired video into a first video and a second video; a first video encoder configured to encode the first video; a second video encoder configured to encode the second video; a multiplexer configured to multiplex the first and second videos to a single stream video; and a transmitter configured to modulate the multiplexed single stream video to transmit the modulated single stream video to a receiving apparatus through a broadcasting network. | 06-12-2014 |
20140211812 | DEMULTIPLEXING APPARATUS, MULTIPLEXING APPARATUS, AND MULTI-CHANNEL TRANSMISSION AND RECEPTION METHOD USING THE SAME - A demultiplexing apparatus, a multiplexing apparatus, and a multi-channel transmission and reception method using the same are provided. The demultiplexing apparatus includes a broadcasting data reception unit for separating a broadcasting data stream into N input packets, an output packet generation unit for generating (N+1) output packets by connecting a pre-header, including a field for multi-channel transmission, with each of the N input packets, and a packet distribution unit for distributing the (N+1) output packets over at least two channels. The multiplexing apparatus includes a packet restoration unit for detecting first field information for restoration and second field information for synchronization from each of pre-headers included in (N+1) output packets received through at least two channels and generating N restoration packets using the first field information and an output synchronization unit for performing output timing synchronization between the N restoration packets using the second field information. | 07-31-2014 |
20140211861 | METHOD AND SYSTEM FOR PROVIDING HIGH DEFINITION (HD) BROADCASTING SERVICE AND ULTRA HIGH DEFINITION (UHD) BROADCASTING SERVICE - A method of transmitting a high definition (HD) image and an ultra high definition (UHD) image, the method including obtaining a first HD image by down-scaling an original UHD image, obtaining at least one of a second HD image and a half-resolution UHD image by down-scaling the original UHD image, encoding the first HD image, encoding at least one of the second HD image and the half-resolution UHD image, generating a first transmission stream by multiplexing and synchronizing the encoded first HD image, generating a second transmission stream by multiplexing and synchronizing at least one of the encoded second HD image and the encoded half-resolution UHD image, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel differing from the first transmission channel is provided. | 07-31-2014 |
20140215530 | METHOD AND SYSTEM FOR TRANSMITTING BROADCAST AND DATA STREAM AND METHOD AND APPARATUS FOR CONVERTING BROADCAST AND DATA STREAM IN HFC-BASED CABLE NETWORK - A method for transmitting broadcast and data streams in an HFC-based cable network includes a first transmission step of a broadcast transmission apparatus sending broadcast and data service streams in an IP-based stream or RF signal form through an optical section up to a cell node that is a contact point between the optical section and a cable section of a cable network and a second transmission step of the cell node converting the broadcast and data service streams into one of RF signal, IP-based stream, and RF/IP convergence service stream forms depending on a service type of a subscriber terminal and sending the converted broadcast and data service streams to the subscriber terminal through the cable section. | 07-31-2014 |
20140215547 | METHOD AND SYSTEM FOR PROVIDING REALISTIC BROADCASTING IMAGE - A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel. | 07-31-2014 |
20140269608 | OFDM TRANSMISSION METHOD AND APPARATUS - Disclosed are an OFDM transmission method and apparatus. In the present invention, channel bonding information includes at least one of information indicating whether or not a channel through which the transport frame is transmitted is a bonded channel, information indicating how many channels form the bonded channel, and information about a transmission frequency of each of the bonded channels. | 09-18-2014 |
20140286415 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, a video decoding method comprises: a step of decoding a first bitstream corresponding to a base layer image based on first decoding information corresponding to the image that belongs to the view which is different from the view to which the base layer image belongs; and a step of decoding a second bitstream corresponding to an enhancement layer image based on second decoding information corresponding to the base layer image and third decoding information corresponding to the image that belongs to the view which is different from the view to which the enhancement layer image belongs. | 09-25-2014 |
20140286468 | METHOD AND APPARATUS FOR COMPENSATING FOR VARIABLE SYMBOL TIMING USING CYCLIC PREFIX IN NON-SYNCHRONIZED OFDM SYSTEM - Disclosed are a method and apparatus for estimating symbol timing in a non-synchronized OFDM system. The present invention includes synchronizing a frame of a received signal, estimating the symbol timing of each symbol of the frame based on the synchronization, compensating for the symbol timing using a phase difference attributable to a Symbol Timing Offset (STO), variably changing within a Cyclic Prefix (CP) interval due to the frequency offset of a sampling clock and thermal noise, and performing channel equalization using a preamble based on output including corrected phase rotation. | 09-25-2014 |
20140307830 | APPARATUS AND METHOD FOR OFFSET COMPENSATION IN HIGH-ORDER MODULATED ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) TRANSMISSION - An apparatus for offset compensation in high-order modulated orthogonal frequency division multiplexing (OFDM) transmission, the apparatus including a transmitter to configure a pilot signal for transmission and reception synchronization and distortion estimation as a frame, and transmit the frame, and a receiver to estimate a channel distortion of a received signal by estimating and compensating for a clock offset and a frequency offset with respect to the received signal. | 10-16-2014 |
20140327739 | APPARATUS AND METHOD FOR RECEIVING 3D DIGITAL BROADCASTING, AND APPARATUS AND METHOD FOR CONVERTING IMAGE MODE - An apparatus and method of receiving 3D digital broadcasting capable of frame compatibility and service compatibility even in the existing display apparatus, regardless of whether a 3D service mode is a frame-compatible or service-compatible, are provided. The apparatus of receiving broadcast may include: a broadcast signal receiving and demodulating unit that receives and demodulates broadcast signals to extract transport streams; a demultiplexing unit that extracts broadcast program information including a broadcast service mode, a video format and an encoding type of elementary streams, and elementary streams from the demodulated transport streams; and a video processing unit that processes the video signals and outputs the video signals to the display device, based on the broadcast program information obtained by the demultiplexing unit and the display mode of the apparatus of receiving broadcast set by a user. | 11-06-2014 |
20140344470 | METHOD AND APPARATUS FOR STREAMING SERVICE FOR PROVIDING SCALABILITY AND VIEW INFORMATION - A method and apparatus for a streaming service to provide scalability and view information are provided. When a scalable video or multi-view video is transmitted using a Moving Picture Experts Group-2 (MPEG-2) system, scalability information or view information regarding the scalable video or multi-view video in a payload may be used. Using the scalability information or view information, a packetized scalable video or multi-view video may be efficiently adapted to various terminal performances, various network characteristics, a specific user preference, and the like. | 11-20-2014 |
20140354777 | APPARATUS AND METHOD FOR OBTAINING SPATIAL INFORMATION USING ACTIVE ARRAY LENS - Disclosed herein are an apparatus and method for obtaining spatial information using an active array lens. In order to obtain spatial information in the apparatus for obtaining spatial information including the active microlens, at least one active pattern for varying a microlens' focus is determined by controlling voltage applied to a pattern of the active microlens, and at least one projection image captured by the at least one active pattern is obtained in a time-division unit. | 12-04-2014 |
20140362676 | OPTICAL INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING SAME - The present invention relates to an optical information processing apparatus and to a method for controlling same. Provided is an optical information processing apparatus and a method for controlling same, the optical information processing apparatus comprising: a light source for irradiating light; an optical modulator for modulating the light irradiated from the light source; an optical system for collecting the light modulated by the optical modulator and enabling the modulated light to be incident to an optical medium; a stage on which the optical medium is placed; an optical detection unit for detecting the pattern of the light reflected from the optical medium; and a control unit for analyzing the pattern of the light detected by the optical detection unit so as to control the optical system and the location of the stage. | 12-11-2014 |
20150020124 | METHOD AND APPARATUS FOR PROVIDING BROADCAST CONTENTS - Provided are a method and an apparatus for providing broadcast contents and broadcasting service provision information by employing a cloud storage control server using a cloud storage, in which the broadcast contents and the broadcasting service provision information may be provided through a communications network and a broadcasting network operated by a broadcaster and thus, various broadcast contents may be effectively provided to a broadcast content receiver, the broadcast contents may also be stored in the cloud storage and thus, security for the broadcast contents may be improved and a bulk local storage may not be required. | 01-15-2015 |
20150033251 | NETWORK PROTOCOL FOR CONTENTS PROTECTION IN DIGITAL CABLE BROADCASTING SERVICE AND CONDITIONAL ACCESS SYSTEM USING THE PROTOCOL - Disclosed are a network protocol for contents protection in a digital cable broadcasting service and a conditional access system using the protocol. A method for renewing conditional access client software (CACS) by a conditional access module in a renewable conditional access system (RCAS) may include: receiving an RCAS announcement message from a headend; transmitting to the headend a key registration request message for requesting an authorization key when the RCAS announcement message is authenticated; receiving a key registration response message including the authorization key from the headend; and generating security factors based on the authorization key and renewing the CACS by using the security factors. | 01-29-2015 |
20150033284 | DIGITAL MULTIMEDIA BROADCASTING APPARATUS AND METHOD FOR MULTIPLE-DRM SERVICE - A method for receiving contents using a mobile terminal according to the present invention is provided. The method includes generating a security channel connected to system being in charge of a service and content protection (SCP) client through an agent downloaded and installed in a mobile terminal; downloading and installing one or multiple SCP client software of different kind from the system through the security channel generated by the agent; and playing back the service or content provided in protected state by a content provider among the one or multiple SCP client software of different kind by driving the decodable SCP client software. | 01-29-2015 |
20150077515 | METHOD AND DEVICE FOR COMPENSATING FOR SYNCHRONIZATION BETWEEN LEFT AND RIGHT IMAGE FRAMES IN THREE-DIMENSIONAL IMAGING SYSTEM, AND REPRODUCTION DEVICE AND METHOD - An apparatus for compensating for synchronization between left and right image frames in a stereoscopic system includes a similarity calculating unit configured to calculate similarity between left and right image frames on the basis of a scene change point in time of the left and right image frames, a left and right image frame difference value extracting unit configured to search a stereoscopic pair on the basis of the similarity and extract a temporal frame difference value between the left and right image frames, and a left and right image frame synchronization compensating unit configured to perform synchronization by shifting any one of the the left and right image frames on a time axis on the basis of the left and right image frame difference value. | 03-19-2015 |
20150100844 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 7/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 7/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 04-09-2015 |
20150146779 | IN-LOOP FILTERING METHOD AND APPARATUS USING SAME - A video decoding method for depth information in accordance with an embodiment of the present invention includes generating a prediction block of a current block for the depth information, generating a restored block of the current block based on the prediction block, and performing filtering on the restored block, whether or not to perform the filtering can be determined based on block information about the current block and coding information about the current block. | 05-28-2015 |
20150146797 | METHOD AND SYSTEM FOR SUPPORTING RANDOM ACCESS OF MPEG DATA - Provided is a method of supporting a random access of MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining an initialization flag indicating whether the at least one access unit includes all of data required for initialization of a decoding process, in the at least one MPU; and inserting the initialization flag into a header of the at least one MPU. | 05-28-2015 |
20150146798 | METHOD AND SYSTEM FOR PROCESSING MPEG DATA - Provided is a method of processing MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining a duration flag indicating whether duration information of the at least one access unit is valid, in a corresponding MPU; and inserting the duration flag into a header of the corresponding MPU. | 05-28-2015 |
20150163013 | METHOD AND APPARATUS OF TRANSMITTING PILOT SIGNAL FOR FREQUENCY SHARED BROADCASTING - Disclosed is a method of transmitting, by a transmission device, broadcast signals in a frequency-shared terrestrial broadcast system. The method includes generating the broadcast signals including pilot signals arranged at a physical layer frame based on a group identification (ID) defined according to a broadcast service, and transmitting the generated broadcast signals to a reception device, wherein the positions of the pilot signals arranged at the physical layer frame are different by group IDs. | 06-11-2015 |
20150264398 | VIDEO DATA DECODING METHOD AND VIDEO DATA DECODING APPARATUS - Disclosed is a method and apparatus for decoding video data. The method for decoding video data includes receiving coded video data including multi-view video data and depth data corresponding to the video data, acquiring motion data for inter-view prediction of a coding unit of the coded video data from the depth data, and performing inter-view prediction based on the motion data, and restoring video data according to the multi-view video data including the coding unit and the depth data based on the motion prediction. | 09-17-2015 |
20150326411 | SYSTEM FOR DETECTING SIGNAL BASED ON PARTIAL MAXIMUM LIKELIHOOD AND METHOD THEREOF - Disclosed is a receiver including: a partial filter generating unit selecting a signal as large as a predetermined magnitude among sampled signals and extracting a filter coefficient for the selected signal magnitude to perform QR resolution for the filter coefficient; a partial ML setting unit determining the lengths and the number of candidate symbol combinations of a signal to be detected and generating a candidate ML symbol combination based on the determined lengths and number of candidate symbol combinations; a signal detecting unit detecting residual symbols in a predetermined part of the sampled signal based on the generated candidate ML symbol combination; and a final signal selecting unit choosing a candidate symbol closest to the sampled signal among the detected candidate symbols as a finally detected signal. | 11-12-2015 |
20150341706 | METHOD AND APPARATUS FOR PROVIDING THREE-DIMENSIONAL TERRITORIAL BROADCASTING BASED ON NON REAL TIME SERVICE - Provided is a method and apparatus for outputting an additional image independently of a reference image in a broadcasting receiver including a communicator to receive a stream of an additional image of a three-dimensional (3D) broadcast in non-real time, and receive a stream of a reference image of the 3D broadcast in real-time and a processor to generate a 3D image of the 3D broadcast based on the stream of the additional image and the stream of the reference image. | 11-26-2015 |
20160037534 | CHANNEL SWITCHING METHOD AND CHANNEL RECEPTION METHOD TO INCREASE SPECTRUM USE EFFICIENCY, AND CHANNEL SWITCHING APPARATUS AND CHANNEL RECEPTION APPARATUS USING THE SAME - Provided is a channel switching method and channel reception method to enhance spectrum use efficiency and a channel switching apparatus and channel reception apparatus using the same. The channel switching method may include extracting, based on received information associated with a virtual channel currently viewed by a user, broadcasting data on a corresponding virtual channel in a physical channel, determining communication data to be added to an idle frequency band in the physical channel including the extracted broadcasting data, and transmitting a transmission data stream generated based on communication data and broadcasting data included in the physical channel, wherein the physical channel comprises broadcasting data on a plurality of virtual channels and uses a predetermined frequency band. | 02-04-2016 |
20160049952 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 5/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 5/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049953 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 2/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 2/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049954 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 3/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 3/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049955 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 4/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 4/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049956 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 5/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 16200 and a code rate of 5/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049957 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 2/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 2/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049958 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 3/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 3/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160049959 | LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 4/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 4/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM). | 02-18-2016 |
20160065242 | LOW DENSITY PARITY CHECK ENCODER, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME - A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword. The second memory is initialized to 0. The processor generates the LDPC codeword by performing accumulation with respect to the second memory using information bits. The accumulation is performed at parity bit addresses that are updated using a sequence corresponding to a parity check matrix (PCM). | 03-03-2016 |
Patent application number | Description | Published |
20090125625 | Load Balancing Method and Apparatus, and Software Streaming System Using the Same - Disclosed herein is a load balancing method and apparatus which can efficiently distribute load to a plurality of servers providing a software streaming service where a bandwidth-on-demand is different depending on sending times, and a software streaming system using the same. Sessions established between the servers and clients are classified into first sessions which send data for initial execution and second sessions which send data desired by users after the initial execution is completed, and the resulting session information of each of the servers is collected. A total load amount of each of the servers is calculated under the condition that different load weights are applied to the first and second sessions. A server with a minimum one of the total load amounts is selected from among the servers by comparing the total load amounts of the servers with one another, and the selected server is allocated to a new client requesting the software streaming service. | 05-14-2009 |
20090222890 | METHOD AND APPARATUS FOR PROVIDING STREAMING SERVICE BASED ON P2P AND STREAMING SERVICE SYSTEM USING THE SAME - A method and apparatus for providing a stream service based on P2P and a streaming service system using the same are provided. In order to provide the stream service to peers without concentrating the load thereof to a server, the each peer includes an apparatus for providing a streaming service. The streaming service apparatus includes a peer communication module, a storing unit, and a peer server unit and a peer client unit. By using a streamable software list and a peer list transmitted from the peer communication module, the peer server unit for receiving a streaming service request from other peers, reading corresponding software from the storing unit and providing a streaming service for the read software. Also, the peer client unit requests a streaming service for predetermined software to other peer, and stores streamable software, which is received from other peers through the streaming service, in the storing unit. | 09-03-2009 |
20100023488 | SYSTEM AND METHOD FOR INTEGRATING INTERACTIVE VIDEO SERVICE AND YELLOW PAGE SERVICE - Provided is a method for providing the integration service of an interactive video and a yellow page, which includes receiving a video request message of a client, selecting multimedia data corresponding to the received message, and transmitting the selected multimedia data to the client, receiving a search message of the client, searching brand information corresponding to the search message in a yellow page database, and selecting optimal brand information of the searched brand information using a service use record of the client, and transmitting the searched optimal brand information to the client. It is possible for user to easily obtain necessary information while viewing video by integrating an interactive video service and a yellow page service. Accordingly, it is possible to provide information customized to user's characteristics by configuring and using a user profile. | 01-28-2010 |
20100063999 | SOFTWARE ON-DEMAND SERVICE INTERLOCKING SYSTEM AND METHOD OF OPERATING THE SAME - There are provided a software on-demand service interlocking system and a method of operating the system. To provide a software service by selecting one of various software service methods considering a software service environment varying with a service providing point in time, the system includes a service providing apparatus providing requested software to a client terminal in one of the various software service providing methods in response to a software execution request of the client terminal and a service relaying apparatus selecting a software service method suitable for a software service environment at a requesting point in time, in response to a relay request of the client terminal, and relaying the selected software service method to the client terminal. Therefore, the software may be provided by selecting a software service method suitable for a software service environment at a service providing point in time, thereby more quickly and stably providing the software to a user. | 03-11-2010 |
20100268842 | SYSTEM AND METHOD FOR PROVIDING STREAMING-BASED PORTABLE APPLICATION - Provided are a system and method for providing a streaming-based portable application, which can add and update a portable application in one click, without separate procedures, by using advantages of application streaming while maintaining advantages of a portable application. In the system, a streaming server stores an application execution code provided at the inside of the system. A client provides a virtualization of an execution code necessary to execute an application process, streams an execution code from the streaming server through a network, and manages application streamed images. | 10-21-2010 |
20110145326 | WORKFLOW CUSTOMIZATION METHOD IN SaaS ENVIRONMENT - A method for providing a customized workflow service to offer a customized workflow software service in software as a service (SaaS) environment includes: providing currently set workflow information to a customized workflow software service client; and receiving a request for correction of workflow information from the client. Further, the method for providing the customized workflow service includes storing workflow information corrected in response to the request for correction of workflow information in a customized workflow database. | 06-16-2011 |
20110154374 | APPARATUS AND METHOD FOR MANAGING CUSTOMIZED APPLICATION - Provided is a technology capable of efficiently managing various customized applications according to clients and providing security and efficiency in executing and editing the customized applications. An apparatus for managing customized applications according to an exemplary embodiment of the present invention, comprising: an application supplying unit generating the customized applications by combining a plurality of pre-stored application data according to client information; an application executing unit generatin a virtual executing environment to allow the customized applications to be executed in a server or virtual server on a client terminal and supplies the virtual executing environment to the client terminal; and a filtering unit controlling whether it permits one or more of the execution and edition of the customized applications according to the client information. | 06-23-2011 |
20110154441 | ONLINE DEVELOPMENT ENVIRONMENT SERVER, ONLINE MARKETPLACE SERVER, ONLINE DEVELOPMENT ENVIRONMENT CONSTITUTING METHOD, AND DEVELOPED APPLICATION PROVIDING METHOD - An online development environment server, online marketplace server, an online development environment configuring method, and a developed application providing method are provided. The online development environment server includes: a virtual resource pool providing virtual resources including a design tool pool, an IDE/SDK pool, a service component, and a virtual server and repository pool; a virtual resource pool manager supporting to allow a developer to select a virtual resource according to a selected development environment; a virtual development environment manager establishing a virtual development environment with reference to virtual resource information through the virtual resource pool manager; a virtual operation space and view manager binding a user and a view of a virtual development environment of each group through the virtual development environment manager and the virtual resource pool manager; a presenter presenting a virtual view model constituted by being bound by the virtual operation space and view manager; and a metadata manager storing metadata configured for virtualizing an operation space and managing the same. | 06-23-2011 |
20120110478 | SYSTEM AND METHOD FOR SUPPORTING SOFTWARE - Provided are a software service supporting system and method to a plurality of clients using a software virtualization technology in a server-based computing environment. The present invention is configured to allow a server to execute software selected by a request of a client by using a resource of a client in a virtual environment, extract a GUI, a 3D graphic-intensive work, etc., as results according to software execution, and transmit the extracted result values to the client. Since the virtualization is implemented according to the driving of the software, the present invention can accommodate a larger number of clients at higher speed than the existing server-based computing and save the service introduction costs. | 05-03-2012 |
20120113103 | APPARATUS AND METHOD FOR EXECUTING 3D APPLICATION PROGRAM USING REMOTE RENDERING - An apparatus for executing a three-dimensional (3D) application program using remote rendering, the apparatus includes: a client apparatus for requesting execution of software and receiving rendering information generated from the execution of software to process the same; and a server apparatus for executing the software by the request from the client apparatus to transmit the rendering information generated from the executed software to the client apparatus. | 05-10-2012 |
20120144408 | APPARATUS AND METHOD FOR DIGITAL CONTENT CREATION - Provided is an apparatus and method for generating digital content. The apparatus includes a physical information manager configured to manage information about a physical item distributed off-line, a video production manager configured to produce video content by generating and converting a video image of the physical item, and an interactive video production manager configured to generate digital content capable of providing an interactive service by applying a service interaction element to the video produced to be served on-line. Also, the apparatus further includes an intellectual property right manager configured to register and manage the copyright and intellectual property right related to the generated digital content and permit use of the copyright and the intellectual property right, and a unique number manager configured to issue a unique number so that the generated digital content can be identified in a distribution process. | 06-07-2012 |
20120150924 | APPARATUS FOR SUPPORTING CONTINUOUS READ/WRITE IN ASYMMETRIC STORAGE SYSTEM AND METHOD THEREOF - Disclosed are an apparatus for supporting continuous read/write in an asymmetric storage system, and a method thereof are provided. The apparatus for supporting continuous read/write in an asymmetric storage system that permits continuous reading/writing by providing context identifiers for reading or writing files and requesting reading or writing the files, using the context identifiers. Therefore, it is possible to efficiently process continuous reading or writing, improve performance of data service, and reduce waster of a memory by removing context identifies for reading or writing files when the files are not used any more or not frequently used. | 06-14-2012 |
20120158453 | WORKFLOW PROCESSING SYSTEM FOR SUPPORTING MULTI-TENANT, AND METHOD THEREOF - Provided is a workflow processing system and method for supporting the multi-tenancy in a software as a service (SaaS) environment. Proposed is a method of configuring a workflow, defined based on an activity for each tenant, to share a single workflow instance in the multi-tenancy support environment. In particular, proposed is a method of editing a workflow for each tenant by a workflow editor and performing configuration for each activity that constitutes the workflow. In addition, proposed is a method of storing and managing a configured activity as metadata. In particular, proposed is a method of storing metadata for each activity when storing an activity through a workflow editor. | 06-21-2012 |
20120173962 | ONLINE APPLICATION PROVIDING APPARATUS - An online application providing apparatus includes: a rendering unit; a metadata manager; a database; and a view resolver. When a web page URL is requested from a user terminal in a tenant, the rendering unit requests UI data to the metadata manager for generating code data corresponding to the URL, provides, to the view resolver, the code data to which a flexible field corresponding a UI page specified for the tenant is applied, and the view resolver generates an actual web based UI code by using the code data provided from the rendering unit and transmits the actual web based UI code to the user terminal. | 07-05-2012 |
20130111562 | METHOD AND APPARATUS FOR DELIVERING APPLICATION SERVICE USING PRE-CONFIGURED ACCESS CONTROL CORRESPONDING TO ORGANIZATIONAL HIERARCHY | 05-02-2013 |
20130117290 | PLATFORM FOR SOFTWARE AS A SERVICE AND METHOD FOR PROVISIONING SERVICE FOR SUPPORTING MULTI-TENANTS USING THE PLATFORM - An SaaS platform for providing an SaaS (Software as a Service) service in cloud computing and a method for provisioning a service for supporting multi-tenants using the platform are provided. The SaaS platform includes a setting environment module configured to set an environment so that setting information for each tenant is converted into metadata to be stored, a metadata manager configured to manage the metadata for each tenant and application data, and an execution engine module configured, if a service request is received from a tenant user, to request the metadata of the corresponding tenant from the metadata manager, to load the metadata of the corresponding tenant transferred from the metadata manager, and to dynamically generate and provide a service to the tenant user. | 05-09-2013 |
20130132425 | QUERY DEFINITION APPARATUS AND METHOD FOR MULTI-TENANT - The present invention relates to a query definition apparatus and method for multi-tenant. The query definition apparatus includes a schema generation unit for, when a tenant accesses a Software as a Service (SaaS) system, generating a basic schema required to execute an application program requested by the tenant on a SaaS platform. A schema editing unit edits the basic schema in response to a request of a tenant manager. A query definition unit is configured to, when the basic schema is edited, provide a query definition interface required to define queries for the edited schema to the tenant manager, and define a query statement by extracting corresponding queries depending on manipulation of the query definition interface. | 05-23-2013 |
20140012800 | APPARATUS AND METHOD FOR PROVIDING APPLICATION FOR PROCESSING BIG DATA - Disclosed herein are an apparatus and method for providing an application for processing big data. The apparatus includes a setting unit, a unified information access unit, a metadata management unit, and a database unit. The setting unit sets data collection and analytic levels and a result screen for each of a plurality of tenants. The unified information access unit collects data based on the settings of the setting unit, and analyzes the collected data. The metadata management unit manages metadata about the data collected based on the settings of the setting unit. The database unit stores the collected data and the analyzed data. | 01-09-2014 |
20150040129 | SYSTEM AND METHOD FOR VIRTUAL MACHINE PLACEMENT AND MANAGEMENT IN CLUSTER SYSTEM - A system for virtual machine placement and management monitors information regarding states of physical machines and virtual machines operated in a subgroup, and relocates the virtual machines operated in the subgroup according to information regarding states of the physical machines operated in the subgroup and a placement policy of the virtual machines. | 02-05-2015 |
20150193339 | SYSTEM AND METHOD FOR EFFICIENT ADDRESS TRANSLATION OF FLASH MEMORY DEVICE - Disclosed are a system and a method for address translation for a flash memory device, and particularly, disclosed is a technology that is capable of efficiently performing address translation between a logical address provided to the outside of a flash memory and a physical address of an actual flash memory in managing the flash memory device. The system includes: a flash memory system writing a corresponding data page by allocating a physical address space when there is a request for writing a data page from storage clients, and performing address translation between a physical address and a logical address; and a logical address space formed between the flash memory system and the storage client to provide the logical address. | 07-09-2015 |
20150199214 | SYSTEM FOR DISTRIBUTED PROCESSING OF STREAM DATA AND METHOD THEREOF - Disclosed is a system for distributed processing of stream data, including: a service management device which selects an operation device optimal to perform an operation constituting a service and assigns the operation in a node including the selected operation device; and a task execution device which performs one or more tasks included in the operation through the selected operation device when the assigned operation is an operation registered in a preregistered performance acceleration operation library. | 07-16-2015 |
20150222696 | METHOD AND APPARATUS FOR PROCESSING EXPLODING DATA STREAM - Provided are a method and apparatus for processing a data stream capable of providing a data flow processing language to support real-time processing of an exploding data stream and providing an environment for executing the data flow processing language in a cluster system. The data flow-based exploding data stream processing method includes receiving a big data real-time processing service described in a real-time data flow language, interpreting the big data real-time processing service to generate a distributed stream processing service, and distributively deploying the distributed stream processing service in a cluster system including multiple nodes and configuring an execution environment for executing the distributed stream processing service in each node. | 08-06-2015 |