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公开(公告)号：US12132897B2
公开(公告)日：2024-10-29
申请号：US17706328
申请日：2022-03-28
发明人： Alexey Konstantinovich Filippov , Vasily Alexeevich Rufitskiy , Han Gao , Semih Esenlik , Elena Alexandrovna Alshina
IPC分类号： H04N19/107 , H04N19/105 , H04N19/119 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/503
CPC分类号： H04N19/119 , H04N19/105 , H04N19/107 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/503
摘要： The present disclosure provides example computer-implemented methods and decoders of video coding for prediction of a block using an inter prediction mode to obtain predicted samples for the block. One example method includes defining a size of a subblock that is smaller than the size of the block. A position of the subblock within the block is specified. One or more allowed split directions of a triangle partitioning mode (TPM) is determined for the subblock depending on which of the sides of the subblock coincide with the sides of the block. One or more predicted samples for the block is obtained by using TPM partitioning performed for the subblock in accordance with the size of the subblock, the position of the subblock within the block, and TPM split direction of the subblock. The block is reconstructed based on the one or more predicted samples.
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公开(公告)号：US20240357178A1
公开(公告)日：2024-10-24
申请号：US18762051
申请日：2024-07-02
发明人： Krit Panusopone , Limin Wang
IPC分类号： H04N19/64 , H04N19/107 , H04N19/119 , H04N19/124 , H04N19/13 , H04N19/172 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593 , H04N19/61 , H04N19/70
CPC分类号： H04N19/647 , H04N19/119 , H04N19/124 , H04N19/13 , H04N19/172 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593 , H04N19/70 , H04N19/107 , H04N19/61
摘要： A method of partitioning a video coding block for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT) structure that can have a quadtree branching from the root node and binary trees branching from each of the quadtree's leaf nodes using asymmetric binary partitioning to split a coding unit represented by a quadtree leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the quadtree leaf node and coding the child coding units represented by leaf nodes of the binary tree with JVET, wherein further partitioning of child coding units split from quadtree leaf nodes via asymmetric binary partitioning is disallowed.
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3.发明授权公开(公告)号：US12126823B2
公开(公告)日：2024-10-22
申请号：US17700845
申请日：2022-03-22
发明人： Ye-Kui Wang
IPC分类号： H04N19/46 , H04N19/107 , H04N19/11 , H04N19/136 , H04N19/14 , H04N19/172 , H04N19/184 , H04N19/187 , H04N19/43 , H04N19/593
CPC分类号： H04N19/46 , H04N19/107 , H04N19/11 , H04N19/136 , H04N19/14 , H04N19/172 , H04N19/184 , H04N19/187 , H04N19/43 , H04N19/593
摘要： A method of decoding implemented by a video decoder is provided. The method includes receiving a bitstream including a coded video sequence start (CVSS) access unit (AU), wherein the CVSS AU contains a picture unit (PU) for each layer, and wherein a coded picture in each PU is a coded layer video sequence start (CLVSS) picture; identifying the coded picture from one of the layers based on a picture order count (POC) value; and decoding the coded picture to obtain a decoded picture.
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公开(公告)号：US20240348803A1
公开(公告)日：2024-10-17
申请号：US18755384
申请日：2024-06-26
发明人： Yi-Wen CHEN , Xiaoyu XIU , Tsung-Chuan MA , Hong-Jheng JHU , Xianglin WANG , Bing YU
IPC分类号： H04N19/186 , H04N19/107 , H04N19/70
CPC分类号： H04N19/186 , H04N19/107 , H04N19/70
摘要： An electronic apparatus performs a method for video decoding. The method comprises: receiving, from a bitstream, a coding unit and determining a mode type condition of the coding unit; if the coding unit is encoded in a first chroma format, setting the mode type condition of the coding unit to a first mode type condition; if the coding unit is encoded in a second chroma format and the coding unit is a smallest chroma intra prediction unit, setting the mode type condition of the coding unit to a second mode type condition if a luma block of the coding unit and the splitting method satisfy a first criterion; setting the mode type condition of the coding unit to a third mode type condition if the luma block of the coding unit and the splitting method satisfy a second criterion, and decoding the coding unit based on the mode type condition.
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公开(公告)号：US12096016B2
公开(公告)日：2024-09-17
申请号：US17455845
申请日：2021-11-19
发明人： Yago Sánchez De La Fuente , Karsten Sühring , Cornelius Hellge , Thomas Schierl , Robert Skupin , Thomas Wiegand
IPC分类号： H04N19/46 , H04N19/107 , H04N19/172 , H04N19/186 , H04N19/88
CPC分类号： H04N19/46 , H04N19/107 , H04N19/172 , H04N19/186 , H04N19/88
摘要： A video encoder according to embodiments is configured for encoding a plurality of pictures of a video by generating an encoded video signal, wherein each of the plurality of pictures includes original picture data. The video encoder includes a data encoder configured for generating the encoded video signal including encoded picture data, wherein the data encoder is configured to encode the plurality of pictures of the video into the encoded picture data. Moreover, the video encoder includes an output interface configured for outputting the encoded picture data of each of the plurality of pictures. Furthermore, a video decoders, systems, methods for encoding and decoding, computer programs and encoded video signals according to embodiments are provided.
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公开(公告)号：US20240297986A1
公开(公告)日：2024-09-05
申请号：US18657222
申请日：2024-05-07
发明人： Ru Ling LIAO , Chong Soon Lim , Jing Ya Li , Han Boon Teo , Hai Wei Sun , Che Wei Kuo , Yusuke Kato , Tadamasa Toma , Kiyofumi Abe , Takahiro Nishi
IPC分类号： H04N19/107 , H04N19/176
CPC分类号： H04N19/107 , H04N19/176
摘要： An image encoder includes: circuitry; and a memory coupled to the circuitry. The circuitry, in operation: calculates first values of a current block using intra prediction, the intra prediction being limited to planar mode, the planar mode using multiple reference pixels for each pixel location of the current block; calculates second values of the current block using inter prediction; calculates third values of the current block by weighting the first values and the second values; and encodes the current block using the third values, and in the calculating of the third values, a first weight is applied to the first values and a second weight is applied to the second values, the second weight being different from the first weight.
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公开(公告)号：US20240291971A1
公开(公告)日：2024-08-29
申请号：US18656972
申请日：2024-05-07
发明人： Ru Ling LIAO , Chong Soon LIM , Jing Ya LI , Han Boon TEO , Hai Wei SUN , Che Wei KUO , Yusuke KATO , Tadamasa TOMA , Kiyofumi ABE , Takahiro NISHI
IPC分类号： H04N19/107 , H04N19/176
CPC分类号： H04N19/107 , H04N19/176
摘要： An image encoder includes: circuitry; and a memory coupled to the circuitry. The circuitry, in operation: calculates first values of a current block using intra prediction, the intra prediction being limited to planar mode, the planar mode using multiple reference pixels for each pixel location of the current block; calculates second values of the current block using inter prediction; calculates third values of the current block by weighting the first values and the second values; and encodes the current block using the third values, and in the calculating of the third values, a first weight is applied to the first values and a second weight is applied to the second values, the second weight being different from the first weight.
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公开(公告)号：US12041386B2
公开(公告)日：2024-07-16
申请号：US17484338
申请日：2021-09-24
申请人： Lemon Inc.
发明人： Ye-Kui Wang
IPC分类号： H04N19/46 , H04N7/01 , H04N19/105 , H04N19/107 , H04N19/172 , H04N19/30 , H04N19/70 , H04N19/91
CPC分类号： H04N7/01 , H04N19/105 , H04N19/107 , H04N19/172 , H04N19/30 , H04N19/46 , H04N19/70 , H04N19/91
摘要： Systems, methods and apparatus for encoding, decoding or transcoding visual media data are described. One example method of processing visual media data includes performing a conversion between visual media data and a bitstream of the visual media data according to a format rule, wherein the format rule specifies whether and how a second type of supplemental enhancement information (SEI) message that is different from a first type of SEI message is included in the bitstream, and wherein the first type of the SEI message and the second type of the SEI message indicate a first type of dependent random access point (DRAP) picture and a second type of DRAP picture, respectively.
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公开(公告)号：US12034916B2
公开(公告)日：2024-07-09
申请号：US17829892
申请日：2022-06-01
申请人： Lemon Inc.
发明人： Zhaobin Zhang , Li Zhang , Yue Li , Kai Zhang
IPC分类号： H04N19/105 , H04N19/107 , H04N19/137 , H04N19/176
CPC分类号： H04N19/105 , H04N19/107 , H04N19/137 , H04N19/176
摘要： A mechanism for processing video data is disclosed. A determination is made to apply an end-to-end neural network-based video codec to a current video unit of a video. The end-to-end neural network-based video codec comprises a spatial-temporal adaptive compression (STAC) component including a frame extrapolative compression (FEC) branch and an image compression branch. A conversion is performed between the current video unit and a bitstream of the video via the end-to-end neural network-based video codec.
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公开(公告)号：US20240223756A1
公开(公告)日：2024-07-04
申请号：US18607244
申请日：2024-03-15
IPC分类号： H04N19/11 , H04N19/105 , H04N19/107 , H04N19/119 , H04N19/139 , H04N19/159 , H04N19/176 , H04N19/52 , H04N19/533 , H04N19/593
CPC分类号： H04N19/11 , H04N19/105 , H04N19/107 , H04N19/119 , H04N19/139 , H04N19/159 , H04N19/176 , H04N19/52 , H04N19/533 , H04N19/593
摘要： Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, an intra block copy (IBC)-based mode to be applied for the target video block, the IBC-based mode being based on at least one of the following: an IBC merge mode with block vector difference (MBVD), a combined prediction mode based on an IBC mode and at least one further prediction mode, an IBC mode based on triangle partitioning, an IBC mode based on geometric partitioning, an IBC advanced motion vector prediction (AMVP) mode based on template matching (TM), or an IBC merge mode based on TM; and performing the conversion based on the IBC-based mode.
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