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| Number | Title | Issue Date |
| 8116374 | Method and system for generating a transform size syntax element for video decoding In a video processing system, a method and system for generating a transform size syntax element for video decoding are provided. For high profile mode video decoding operations, the transform sizes may be selected based on the prediction macroblock type and the con... | 02/14/2012 |
| 8111750 | System and method for 3-D recursive search motion estimation A method for 3-D recursive search motion estimation is provided to estimate a motion vector for a current block in a current frame. The method includes the following steps. First, provide a spatial prediction by selecting at least one motion vector for at least one ... | 02/07/2012 |
| 8107532 | Method and apparatus for generating/evaluating in a picture signal encoding/decoding one or more prediction information items Advanced Video Coding uses intra prediction for 4*4 pixel blocks whereby reconstructed samples from adjacent pixel blocks are used to predict a current block. Nine different intra prediction modes are available in AVC. In order to save bits for signalling the predic... | 01/31/2012 |
| 8107533 | Moving picture coding method, and moving picture decoding method According to the present invention, a moving picture coding apparatus (70) for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit (103) for performing predictive error coding for image d... | 01/31/2012 |
| 8107531 | Signaling and repeat padding for skip frames A video codec efficiently signals that a frame is identical to its reference frame, such that separate coding of its picture content is skipped. Information that a frame is skipped is represented jointly in a coding table of a frame coding type element for bit rate ... | 01/31/2012 |
| 8107534 | Moving-image reproducing apparatus and moving-image reproducing method A moving-image reproducing apparatus determines whether one frame of a movie has the same image as that of the previous frame on the basis of the analysis of the movie, inputs compressed frame data about a frame that is not determined to have the same image as that ... | 01/31/2012 |
| 8102914 | Image decoder The present invention provides an image decoder which decodes a stream encoded with standard resolution and transforms it into a high-definition image with a better image quality. An intra-field pixel interpolation module generates an interpolated pixel using pixels... | 01/24/2012 |
| 8098728 | Compressing and decompressing multiple, layered, video streams employing multi-directional spatial encoding A process for compressing and decompressing non-keyframes in sequential sets of contemporaneous video frames making up multiple video streams where the video frames in a set depict substantially the same scene from different viewpoints. Each set of contemporaneous v... | 01/17/2012 |
| 8090019 | Intra prediction circuit device applied to the H.264 video coding standard An intra prediction circuit device applied to the H.264 video coding standard is provided. The intra prediction device uses a method of decreasing the repeated operations of the shared terms of the video pixel data to reduce the circuit computation and simplify the ... | 01/03/2012 |
| 8085843 | MP4 demultiplexer and method of operating the same Provided are an MP4 demultiplexer and a method of operating the same, enabling an MP4 file to be played in a fast-play mode input by a user, wherein the MP4 demultiplexer extracts all intra-frames (I-frames) among video frames in a sample track of an MP4 file, and t... | 12/27/2011 |
| 8073053 | Image encoding device that encodes an arbitrary number of moving pictures An image encoding device encodes moving pictures, a moving picture count acquisition unit acquires a moving picture count of encoding target moving pictures corresponding to an arbitrary number of input moving pictures, a moving picture acquisition unit acquires one... | 12/06/2011 |
| 8064518 | Encoding apparatus, encoding method, decoding apparatus, and decoding method Frames are divided into a plurality of sections on the basis of input images of the frames (S8). One representative image that represents the image of each frame is set in each of the sections (S10). One representative image to be referred to is select... | 11/22/2011 |
| 8059717 | Image coding apparatus, method and program for intra prediction using specified H.264 prediction modes in specified scan order An image coding apparatus that makes possible the parallelization of intra prediction, and outputs coded data that can be decoded by an image decoding apparatus compliant with the H.264 standard. The image coding apparatus performs orthogonal transformation, quantiz... | 11/15/2011 |
| 8059718 | VSB transmission system for processing supplemental transmission data A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data packets includes a VSB supplemental data processor and a VSB transmission system. The VSB supplemental data processor includes a Reed-Solomon coder for coding the su... | 11/15/2011 |
| 8059716 | Apparatus for and method of transcoding data An apparatus for and a method of transcoding data in a first format, for example, MPEG (moving picture experts group)-2 data into data in a second format, for example, H.264 data. The apparatus may include a scaling dequantization unit, a coefficient transform unit,... | 11/15/2011 |
| 8059715 | Video encoding and decoding methods and corresponding devices The invention relates to the field of video compression and, more specifically, to a video encoding method applied to an input sequence of frames in which each frame is subdivided into blocks of arbitrary size. This method comprises, for at least a part of said bloc... | 11/15/2011 |
| 8050321 | Grouping of image frames in video coding A method for encoding a video sequence comprising an independent sequence of image frames, wherein at least one reference image frame is predictable from at least one previous image frame that is earlier than the previous reference image frame in decoding order. An ... | 11/01/2011 |
| 8045616 | Image coding device, image coding method, image decoding device, image decoding method and communication apparatus Each of an image coding apparatus and an image decoding apparatus uses a motion compensated prediction using virtual samples so as to detect a motion vector for each of regions of each frame of an input signal. Accuracy of virtual samples is locally determined while... | 10/25/2011 |
| 8045617 | Image decoding apparatus An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a c... | 10/25/2011 |
| 8031772 | Parallel processing architecture for video decompression Disclosed herein is a video decoding system of a mobile broadcasting receiver. The video decoding system of a mobile broadcasting receiver for decoding a compression-coded video signal includes: at least one buffer memory for performing video decoding; a plurality o... | 10/04/2011 |
| 8031773 | Image processing apparatus An image processing apparatus is provided. The image processing apparatus comprises a converting module, a sampling module, a processing module, a storage module, an output module and a display module. The converting module is used for converting an input image to i... | 10/04/2011 |
| 8027386 | Robust mode staggercasting without artifacts A method for staggercasting, includes encoding a first signal representing content using encoding having successive independent decoding segments and encoding a second signal representing the content using encoding having successive independent decoding segments res... | 09/27/2011 |
| 8014450 | Flexible range reduction Techniques and tools are described for flexible range reduction of samples of video. For example, an encoder signals a first set of one or more syntax elements for range reduction of luma samples and signals a second set of one or more syntax elements for range redu... | 09/06/2011 |
| 8009731 | Motion compensation method, picture coding method and picture decoding method A picture coding apparatus (300) includes a motion vector estimation unit (302) and a motion compensation unit (303). The motion vector estimation unit (302) selects one method for deriving a motion vector of a block to be motion-compensa... | 08/30/2011 |
| 8009732 | In-loop noise reduction within an encoder framework An apparatus and method are described for filtering noise internally within a video encoding framework. In various embodiments of the invention, an in-loop noise filter is integrated within an encoding device or framework that reduces noise along a motion trajectory... | 08/30/2011 |
| 8009733 | Moving picture coding method and a moving picture decoding method A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable len... | 08/30/2011 |
| 8005143 | Imaging decoding apparatus An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a c... | 08/23/2011 |
| 7995653 | Method for finding the prediction direction in intraframe video coding A method of finding the prediction direction during intraframe video image coding. The method comprises the following steps: selecting two initial prediction directions (E, S), calculating virtual blocks associated with said initial prediction directions (E, S), com... | 08/09/2011 |
| 7995654 | Image predictive coding method When dividing inputted image data to be coded into image data of a plurality of small regions which are adjacent to each other and coding the image data of an objective small region to be processed among the image data of the plurality of divided small regions which... | 08/09/2011 |
| RE42589 | Enhanced MPEG information distribution apparatus and method A method and concomitant apparatus for compressing, multiplexing and, in optional embodiments, encrypting, transporting, decrypting, decompressing and presenting high quality video information in a manner that substantially preserves the fidelity of the video inform... | 08/02/2011 |
| 7986732 | Moving picture compression/encoding method conversion device and moving picture communication system To enable to output, from a transcoder, a coded bit stream which can be decoded and reproduced by a receiving side moving image decoding device, irrespective of whether a coding tool or the like of the moving image compression-coding system being used in the receivi... | 07/26/2011 |
| 7986733 | Tertiary content addressable memory based motion estimator Presented herein are Tertiary Content Addressable Memory based motion estimator(s). In one embodiment, there is presented a method for encoding a picture. The method comprises addressing a first memory with one or more data words for a first prediction block, and ad... | 07/26/2011 |
| 7983338 | Method for progressive lossless video coding, method for progressive lossless video decoding, progressive lossless video coding apparatus, progressive lossless video decoding apparatus, progressive lossless video coding program, progressive lossless video decoding program, and recording media of progressive lossless video coding program and progressive lossless video decoding program Highly efficient lossless decoding is realized under the condition that codes transmitted as a base part are compatible with the H.264 standard. An orthogonal transformation section (12) performs orthogonal transformation of residual signals (Rorig), acquires... | 07/19/2011 |
| 7978768 | Recompression method and apparatus for video data A recompression apparatus for video data possesses a first transcoder, which is able to generate an output video data by recompressing an input video data encoded by a first encode scheme, a second transcoder, which has a compressibility smaller than the first trans... | 07/12/2011 |
| 7974342 | Motion-compensated image signal interpolation using a weighted median filter A motion-compensated image signal interpolation unit (200) for generating an interpolated image being located at a first predetermined temporal distance (a) from the first image and being located at a second predetermined temporal distance (1−a) from the se... | 07/05/2011 |
| 7974343 | Entropy coding method for coding video prediction residual coefficients The present invention provides an entropy coding method for coding video prediction residual coefficients, comprising the steps of: firstly, zig-zag scanning coefficients of blocks to be coded to form a sequence of (level, run) pairs; secondly, selecting a type of c... | 07/05/2011 |
| 7970056 | Method and/or apparatus for decoding an intra-only MPEG-2 stream composed of two separate fields encoded as a special frame picture A method for decoding a bitstream comprising the steps of (A) generating a first field picture in response to a frame picture of a first bitstream, (B) generating a second field picture in response to the frame picture of the first bitstream and (C) generating a sec... | 06/28/2011 |
| 7965770 | Shared logic for decoding and deinterlacing of compressed video One embodiment includes a method that includes receiving a compressed video stream. The method also includes decoding a number of blocks of the compressed video stream to output a number of blocks of decoded video data. The decoding is based on at least one motion c... | 06/21/2011 |
| 7965771 | Method and apparatus for immediate display of multicast IPTV over a bandwidth constrained network In a packet based multicast video streaming network, a method for minimizing delay in displaying video on a TV set in response to a viewer changing the channel is disclosed. For each live multicast video stream, one or more reference frames and corresponding compres... | 06/21/2011 |
| 7961788 | Method and apparatus for video encoding and decoding, and recording medium having recorded thereon a program for implementing the method A video encoding method includes generating a primary error image by performing motion estimation and compensation on a current frame with reference to a previous frame, generating a secondary error image by performing motion estimation and compensation on the prima... | 06/14/2011 |
