公开(公告)号：US10250881B2

公开(公告)日：2019-04-02

申请号：US13641677

申请日：2011-04-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

IPC分类号： H04N19/157 ,  H04N19/12 ,  H04N19/176 ,  H04N19/119 ,  H04N19/61 ,  H04N19/96 ,  H04N19/159 ,  H04N19/117 ,  H04N19/139 ,  H04N19/15 ,  H04N19/182 ,  H04N19/615

摘要： A video encoding/decoding apparatus and method are disclosed. The video encoding/decoding apparatus includes: a video encoder for generating predicted subblocks by predicting subblocks into which macroblock is divided, generating residual subblocks by subtracting predicted subblocks from subblocks, generating quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to subblock size, and generating encoded video data by using different context tables according to the macroblock and subblocks when using CABAC to encode the quantized transform coefficients; and a video decoder for reconstructing information of partition type, motion, transform type and quantized transform coefficients by decoding encoded data by using a CABAC and different context tables according to a macroblock and subblocks, reconstructing residual subblocks by inverse-quantizing/inverse-transforming the quantized transform coefficients by using a transform identified by the transform type information, generating predicted subblocks, reconstructing the subblocks, and reconstructing the macroblock based on the subblocks.

公开(公告)号：US09686555B2

公开(公告)日：2017-06-20

申请号：US13641682

申请日：2011-04-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

IPC分类号： H04N19/147 ,  H04N19/176 ,  H04N19/119 ,  H04N19/61 ,  H04N19/11 ,  H04N19/107 ,  H04N19/109 ,  H04N19/105 ,  H04N19/122 ,  H04N19/13

CPC分类号： H04N19/147 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/13 ,  H04N19/176 ,  H04N19/61

摘要： Video encoding/decoding apparatus includes video encoder and video decoder. Video encoder generates predicted subblocks by predicting subblocks into which macroblock is divided, generates residual subblocks by subtracting predicted subblocks from subblocks, generates quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to size of subblock, generates encoded video data by encoding quantized transform coefficients, and selectively calculates and determines encoding cost when determining encoding mode for at least one of motion vector, transform type, prediction mode, and block type for subblocks. Video decoder reconstructs partition type information, motion information, transform type information, and quantized transform coefficients by decoding encoded data, reconstructs residual subblocks by inverse-quantizing and inverse-transforming quantized transform coefficients by using transform identified by transform type information, generates predicted subblocks by predicting subblocks identified according to partition type information by using motion information, and reconstructs subblocks by adding predicted subblocks and residual subblocks.

公开(公告)号：US20130034154A1

公开(公告)日：2013-02-07

申请号：US13641682

申请日：2011-04-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

IPC分类号： H04N7/26 ,  H04N7/50

CPC分类号： H04N19/147 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/13 ,  H04N19/176 ,  H04N19/61

摘要： Video encoding/decoding apparatus includes video encoder and video decoder. Video encoder generates predicted subblocks by predicting subblocks into which macroblock is divided, generates residual subblocks by subtracting predicted subblocks from subblocks, generates quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to size of subblock, generates encoded video data by encoding quantized transform coefficients, and selectively calculates and determines encoding cost when determining encoding mode for at least one of motion vector, transform type, prediction mode, and block type for subblocks. Video decoder reconstructs partition type information, motion information, transform type information, and quantized transform coefficients by decoding encoded data, reconstructs residual subblocks by inverse-quantizing and inverse-transforming quantized transform coefficients by using transform identified by transform type information, generates predicted subblocks by predicting subblocks identified according to partition type information by using motion information, and reconstructs subblocks by adding predicted subblocks and residual subblocks.

摘要翻译： 视频编码/解码装置包括视频编码器和视频解码器。 视频编码器通过预测分割了宏块的子块来生成预测的子块，通过从子块中减去预测的子块来产生残余子块，通过使用根据子块的大小选择的变换来变换和量化残差子块来产生量化的变换系数，通过编码产生编码的视频数据 量化变换系数，并且当为子块的运动矢量，变换类型，预测模式和块类型中的至少一个确定编码模式时，有选择地计算并确定编码成本。 视频解码器通过解码编码数据来重构分区类型信息，运动信息，变换类型信息和量化变换系数，通过使用由变换类型信息识别的变换进行逆量化和逆变换量化变换系数来重构残余子块，通过 通过使用运动信息来预测根据分区类型信息识别的子块，并且通过添加预测子块和剩余子块来重构子块。

公开(公告)号：US20130034153A1

公开(公告)日：2013-02-07

申请号：US13641677

申请日：2011-04-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

IPC分类号： H04N7/26

CPC分类号： H04N19/12 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/15 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/61 ,  H04N19/615 ,  H04N19/96

摘要： A video encoding/decoding apparatus and method are disclosed. The video encoding/decoding apparatus includes: a video encoder for generating predicted subblocks by predicting subblocks into which macroblock is divided, generating residual subblocks by subtracting predicted subblocks from subblocks, generating quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to subblock size, and generating encoded video data by using different context tables according to the macroblock and subblocks when using CABAC to encode the quantized transform coefficients; and a video decoder for reconstructing information of partition type, motion, transform type and quantized transform coefficients by decoding encoded data by using a CABAC and different context tables according to a macroblock and subblocks, reconstructing residual subblocks by inverse-quantizing/inverse-transforming the quantized transform coefficients by using a transform identified by the transform type information, generating predicted subblocks, reconstructing the subblocks, and reconstructing the macroblock based on the subblocks.

摘要翻译： 公开了一种视频编码/解码装置和方法。 视频编码/解码装置包括：视频编码器，用于通过预测划分宏块的子块来产生预测的子块，通过从子块中减去预测的子块来产生残余子块，通过使用根据 并且当使用CABAC对量化的变换系数进行编码时，通过使用根据宏块和子块的不同上下文表生成编码视频数据; 以及视频解码器，用于通过使用CABAC和根据宏块和子块的不同上下文表对编码数据进行解码来重建分区类型，运动，变换类型和量化变换系数的信息，通过逆量化/逆变换来重建残余子块 通过使用由变换类型信息识别的变换，产生预测子块，重建子块以及基于子块重建宏块的量化变换系数。

公开(公告)号：US20130034152A1

公开(公告)日：2013-02-07

申请号：US13641673

申请日：2011-04-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Juock Lee

IPC分类号： H04N7/50 ,  H04N7/26

CPC分类号： H04N19/513 ,  H04N19/109 ,  H04N19/119 ,  H04N19/139 ,  H04N19/176 ,  H04N19/186 ,  H04N19/463 ,  H04N19/52 ,  H04N19/96

摘要： A video encoding/decoding apparatus includes a video encoder for encoding block mode information indicating whether a block mode of a block to be encoded in a macroblock is a skip mode, partition mode information and skip motion information including index information, encoding at least one of transform type information, CBP information, and delta quantization parameter information of the block according to a combination of the block mode information and the partition mode information, and encoding coefficient information of the block based on the encoded information of the block, and a video decoder for decoding a bitstream to reconstruct block mode information indicating whether a block mode of a block to be decoded is a skip mode, partition mode information indicating whether block is divided into subblocks, and skip motion information including index information, and reconstructing block based on the reconstructed information by using reconstructed skip motion information.

摘要翻译： 视频编码/解码装置包括用于编码块模式信息的视频编码器，所述块模式信息指示要在宏块中编码的块的块模式是否为跳过模式，分区模式信息和包括索引信息的跳过运动信息， 根据块模式信息和分区模式信息的组合，块的变换类型信息，CBP信息和增量量化参数信息，以及基于块的编码信息对块的编码系数信息，以及视频解码器 用于对比特流进行解码以重构指示要解码的块的块模式是否为跳过模式的块模式信息，指示块是否被划分为子块的分区模式信息，以及包括索引信息的跳过运动信息，以及基于 通过使用重建的跳过运动信息重构信息。