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| Number | Title | Issue Date |
| 8160140 | Method and apparatus for transmitting multiple video streams over a video channel There are provided methods and apparatus for transmitting multiple video streams over a video channel. A video encoder is provided for encoding a plurality of streams corresponding to a plurality of programs. The video encoder includes an encoder (300) for en... | 04/17/2012 |
| 8159606 | Method and apparatus for reversible, polynomial based image scaling A method and apparatus are provided for reversible, polynomial based image scaling. The apparatus includes a video scaler for performing image scaling from a first base resolution image to a higher resolution image, and from the higher resolution image to a second b... | 04/17/2012 |
| 8155208 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 04/10/2012 |
| 8155192 | Scalable encoding and decoding of interlaced digital video data Fully scalable encoder and decoder for interlaced video. A method for encoding an interlaced sequence of digital video data decomposes the interlaced video sequence into first and second fields, performs digital filtering to get lower frequency and higher frequency ... | 04/10/2012 |
| 8155191 | Method and apparatus for fast mode decision of B-frames in a video encoder There are provided video encoders and corresponding methods for performing fast mode decision of B-frames. A video encoder for encoding video data for a B slice that is divisible into macroblocks includes an encoder (OO) for performing mode selection when encoding a... | 04/10/2012 |
| 8149924 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 04/03/2012 |
| 8144787 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 03/27/2012 |
| 8144786 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 03/27/2012 |
| 8144785 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 03/27/2012 |
| 8135234 | Method and apparatus for edge-based spatio-temporal filtering There are provided methods and apparatus for edge-based spatio-temporal filtering. An apparatus for filtering a sequence of pictures includes a spatial filter, a motion compensator, a deblocking filter, and a temporal filter. The spatial filter is for spatially filt... | 03/13/2012 |
| 8130831 | Two-layer encoding for hybrid high-definition DVD A hybrid high-definition encoder and method are disclosed, for processing signal data as a plurality of block transform coefficients for each of base layer data and enhancement layer data, where the encoder includes a two-layer decomposition unit for decomposing an ... | 03/06/2012 |
| 8094711 | Adaptive reference picture generation A video encoder and corresponding method are provided for encoding an input picture or image block using a prediction from a reference-only picture, where the encoder includes a picture buffer for storing a previously coded picture, and a reference processing unit i... | 01/10/2012 |
| 8085846 | Method and apparatus for decoding hybrid intra-inter coded blocks A hybrid intra-inter bi-predictive (or multi-predictive) coding mode allows both intraframe (intra) and interframe (inter) predictions to be combined together for hybrid-encoding a current macroblock or a subblock. Bi-prediction may be used also in I-pictures, combi... | 12/27/2011 |
| 8085845 | Method and apparatus for encoding hybrid intra-inter coded blocks A hybrid intra-inter bi-predictive (or multi-predictive) coding mode allows both intraframe (intra) and interframe (inter) predictions to be combined together for hybrid-encoding a current macroblock or a subblock. Bi-prediction may be used also in I-pictures, combi... | 12/27/2011 |
| 8015474 | Adaptive forward error correction There are described apparatus and methods for adaptive forward error correction (FEC), one use being for video streaming over a wireless network. The apparatus includes an FEC encoder and an adaptive FEC device. The FEC encoder is for encoding k packets of source da... | 09/06/2011 |
| 8014447 | Process and arrangement for encoding video pictures Today's video codecs require the intelligent choice between many coding options. This choice can efficiently be done using Lagrangian coder control. But Lagrangian coder control only provides results given a particular Lagrange parameter, which correspond to some un... | 09/06/2011 |
| 8010863 | Method and apparatus for synchronizing multiple multimedia streams There are provided a method and apparatus for synchronizing a plurality of media streams that use Forward Error Correction. The apparatus includes a memory device (110), a FEC encoder (120), and a control device (140). The memory device (110 | 08/30/2011 |
| 8009730 | Method for controlling the encoder output bit rate in a block-based video encoder and corresponding video encoder apparatus Constant-bitrate rate control is very useful for real-time video transmission. However, it is difficult to realize a good CBR rate control in an MPEG4-AVC video codec. According to the invention, an adapted ρ-domain rate control processing for real-time rate contro... | 08/30/2011 |
| 8005337 | Method and apparatus for performing synchronised audio and video presentation A synchronisation of the presentation or reproduction of video data with audio data is described, which data each are processed on two non-synchronised computers. An MPEG-type stream is separated into video data and audio data, wherein the video data is processed ut... | 08/23/2011 |
| 7995896 | System and user interface for a television receiver in a television program distribution system A television receiver includes a source of digital data comprising a plurality of data streams each representing one of a standard definition television signal and a high definition television signal and encoded in such a manner that it may be decoded at full resolu... | 08/09/2011 |
| 7991048 | Device and method for double-pass encoding of a video data stream The invention relates to a device for double pass encoding of a video data stream comprising: a first type encoding means performing the first encoding pass, a second type encoding means performing the second encod... | 08/02/2011 |
| 7983339 | Method for coding an image sequence The method comprises the steps for the: calculation of a rate of potential use of an entity of the picture k for a backward predictive coding of the picture k−s, according to the number of vectors of the backward motion vector fi... | 07/19/2011 |
| 7929792 | Method for run-length encoding of a bitmap data stream Subtitling aims at the presentation of text information and graphical data, encoded as pixel bitmaps. The size of subtitle bitmaps may exceed video frame dimensions, so that only portions are displayed at a time. The bitmaps are a separate layer lying above the vide... | 04/19/2011 |
| 7929791 | Method for run-length encoding of a bitmap data stream Subtitling aims at the presentation of text information and graphical data, encoded as pixel bitmaps. The size of subtitle bitmaps may exceed video frame dimensions, so that only portions are displayed at a time. The bitmaps are a separate layer lying above the vide... | 04/19/2011 |
| 7929790 | Method for run-length encoding of a bitmap data stream Subtitling aims at the presentation of text information and graphical data, encoded as pixel bitmaps. The size of subtitle bitmaps may exceed video frame dimensions, so that only portions are displayed at a time. The bitmaps are a separate layer lying above the vide... | 04/19/2011 |
| 7924916 | Method and apparatus for decoding encoded groups of pictures of a video sequence and presenting said video sequence and said groups of pictures in temporally backward direction MPEG video uses motion compensated prediction for coding pictures. A GOP includes at least one intra-coded picture to start decoding with and a number of inter-coded pictures and normally also includes bi-directionally predicted pictures. However, the GOP structure ... | 04/12/2011 |
| 7920207 | Video apparatus A video apparatus has a digital encoder which receives a first analogue video signal with ancillary information in a given time window and generates on an output a digital stream based on the first analogue video signal. A digital decoder is connectable to this outp... | 04/05/2011 |
| 7912305 | Method for run-length encoding of a bitmap data stream Subtitling aims at the presentation of text information and graphical data, encoded as pixel bitmaps. The size of subtitle bitmaps may exceed video frame dimensions, so that only portions are displayed at a time. The bitmaps are a separate layer lying above the vide... | 03/22/2011 |
| 7912125 | Hybrid scalable encoder, method and media for standard definition and high-definition video formats on a single-disc A hybrid scalable encoder, method, and media are disclosed for processing video signal data as a plurality of block transform coefficients for each of a base layer and an enhancement layer included on a dual standard-definition and high-definition disc. The encoder ... | 03/22/2011 |
| 7912124 | Motion compensation for fine-grain scalable video A fine-grain scalable video data apparatus, system, method and data structure is disclosed. An encoder (110) for encoding input video data as minimum bitrate macroblock data to produce DCT data having DCT coefficients representing a minimum bitrate version of... | 03/22/2011 |
| 7903742 | Adaptive weighting of reference pictures in video decoding A video decoder, encoder, and corresponding methods for processing video signal data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compressi... | 03/08/2011 |
| 7899119 | Method and device for coding a sequence of source images A method and device for coding an image of a video sequence by image block using the time correlation between images based on movement field calculation. The method includes subdividing the images into blocks of images and a step for configuring the blocks into regi... | 03/01/2011 |
| 7895360 | Method and apparatus for adaptively configuring a router A method, device, and computer readable medium for adaptively configuring a router monitors data packets propagating in a network to detect a statically configured network device. A network interface within the router is adapted to network parameters associated with... | 02/22/2011 |
| 7894610 | Method for coding and decoding impulse responses of audio signals The transmission and use of real, i. e. of measured, room impulse responses for the reproduction of sound signals with this room characteristic compatible to the MPEG-4 standard is made possible by inserting impulse responses in multiple successive control parameter... | 02/22/2011 |
| 7848623 | Video apparatus A video apparatus has a digital decoder generating a first digital stream, a video source of a first analogue signal, a video encoder and a first video decoder connectable to the video source for generating a second digital stream based on the first analogue signal.... | 12/07/2010 |
| 7848585 | Method for run-length encoding of a bitmap data stream Subtitling aims at the presentation of text information and graphical data, encoded as pixel bitmaps. The size of subtitle bitmaps may exceed video frame dimensions, so that only portions are displayed at a time. The bitmaps are a separate layer lying above the vide... | 12/07/2010 |
| 7848429 | Hierarchical coding and decoding method The method comprising a wavelet-based spatial analysis step comprising filtering operations of the picture at the high resolution format and horizontal and/or vertical decimation operations of the filtered picture to supply subband signals, is wherein a decimation o... | 12/07/2010 |
| 7847861 | Method and apparatus for encoding video pictures, and method and apparatus for decoding video pictures The H.264 standard has introduced a new coding method for intra-coded pictures, which is named “intra prediction”. The basic idea of intra prediction is to predict a block using reconstructed neighbour pixels. Thus, only the residual information needs to be enco... | 12/07/2010 |
| 7864863 | Method for encoding and/or decoding groups of images The present invention relates to a method of coding and/or decoding groups of pictures. According to the invention, during the temporal decomposition of a stream of pictures within the framework of 3D wavelet processing, the number of pictures, the choice of the ref... | 01/04/2011 |
| 7852414 | Method of selecting seeds for the clustering of key-frames The method is characterized in that it implements the following steps: random drawing of p candidates from the set of key images, calculation of a cost C for each candidate, selection of the candid... | 12/14/2010 |
