公开(公告)号：US10091515B2

公开(公告)日：2018-10-02

申请号：US14378949

申请日：2013-03-11

申请人： Shan Liu ,  Mei Guo ,  Tzu-Der Chuang ,  Shaw-Min Lei

发明人： Shan Liu ,  Mei Guo ,  Tzu-Der Chuang ,  Shaw-Min Lei

IPC分类号： H04N19/34 ,  H04N19/96 ,  H04N19/11 ,  H04N19/463 ,  H04N19/187 ,  H04N19/176 ,  H04N19/157 ,  H04N19/159

摘要： A method and apparatus of Intra mode coding for a scalable video coding system are disclosed. For a current Intra-coded block in the enhancement layer (EL), predictive coding is applied to the current Intra mode based on the base layer (BL) coding mode associated with the co-located block in the BL and neighboring coding modes associated with neighboring blocks of the current block in the EL. The neighboring blocks of the current block in the EL comprise a left block adjacent to a left side of the current block and a top block adjacent to a top side of the current block. One or more most probable modes (MPMs) can be derived from the neighboring coding modes and the BL coding mode, and the MPMs is then used for predictive coding of the current Intra mode.

公开(公告)号：US20170054996A1

公开(公告)日：2017-02-23

申请号：US15307445

申请日：2015-05-05

申请人： Xiaozhong XU ,  Shan LIU ,  Tzu-Der CHUANG

发明人： Xiaozhong XU ,  Shan LIU ,  Tzu-Der CHUANG

IPC分类号： H04N19/52 ,  H04N19/593

CPC分类号： H04N19/52 ,  H04N19/176 ,  H04N19/593

摘要： A method of block vector (BV) prediction for an IntraBC mode (Intra-block copy mode) coded block in a video coding system according to the present invention is disclosed. Multiple BV candidate lists are derived from neighboring blocks of the current block. A BV candidate list is selected as a BV predictor for the BV of the current block. The current block is coded based on an Intra reference block located according to the BV of the current block. In one embodiment, a left-bottom (LB) block of the current block is used to derive the first BV candidate list and an above-right (AR) block of the current block is used to derive the second BV candidate list. A 1-bit index code is signaled to select a BV predictor between the first BV candidate list and the second BV candidate list

摘要翻译： 公开了根据本发明的视频编码系统中的IntraBC模式（块内复制模式）编码块的块向量（BV）预测方法。 多个BV候选列表从当前块的相邻块导出。 选择BV候选列表作为当前块的BV的BV预测器。 基于根据当前块的BV定位的内部参考块对当前块进行编码。 在一个实施例中，使用当前块的左下（LB）块来导出第一BV候选列表，并且使用当前块的右上（AR）块来导出第二BV候选列表。 发信号通过1位索引码来选择第一BV候选列表和第二BV候选列表之间的BV预测器

公开(公告)号：US20150304670A1

公开(公告)日：2015-10-22

申请号：US14378949

申请日：2013-03-11

申请人： Shan LIU ,  Mei GUO ,  Tzu-Der CHUANG ,  Shaw-Min LEI

发明人： Shan Liu ,  Mei Guo ,  Tzu-Der Chuang ,  Shaw-Min Lei

IPC分类号： H04N19/34 ,  H04N19/159 ,  H04N19/176 ,  H04N19/11 ,  H04N19/187

CPC分类号： H04N19/34 ,  H04N19/11 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/187 ,  H04N19/463 ,  H04N19/96

摘要： A method and apparatus of Intra mode coding for a scalable video coding system are disclosed. For a current Intra-coded block in the enhancement layer (EL), predictive coding is applied to the current Intra mode based on the base layer (BL) coding mode associated with the co-located block in the BL and neighboring coding modes associated with neighboring blocks of the current block in the EL. The neighboring blocks of the current block in the EL comprise a left block adjacent to a left side of the current block and a top block adjacent to a top side of the current block. One or more most probable modes (MPMs) can be derived from the neighboring coding modes and the BL coding mode, and the MPMs is then used for predictive coding of the current Intra mode.

摘要翻译： 公开了一种用于可分级视频编码系统的帧内编码的方法和装置。 对于增强层（EL）中的当前帧内编码块，基于与BL中的同位置块相关联的基本层（BL）编码模式和与其相关联的相邻编码模式，将预测编码应用于当前帧内模式 EL中当前块的相邻块。 EL中的当前块的相邻块包括与当前块的左侧相邻的左块和与当前块的顶侧相邻的顶块。 可以从相邻编码模式和BL编码模式导出一个或多个最可能的模式（MPM），然后将MPM用于当前帧内模式的预测编码。

公开(公告)号：US20140192861A1

公开(公告)日：2014-07-10

申请号：US14234151

申请日：2012-08-02

申请人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang

发明人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang

IPC分类号： H04N19/21 ,  H04N19/60 ,  H04N19/10 ,  H04N19/70

CPC分类号： H03M7/4018 ,  H04N19/159 ,  H04N19/21 ,  H04N19/436 ,  H04N19/70 ,  H04N19/88 ,  H04N19/91

摘要： A method and apparatus of context-based adaptive binary arithmetic encoding/decoding for syntax elements of one or more blocks are disclosed. According to one embodiment of the present invention, the binarization results of the x and y positions of the last significant coefficient of a transform unit are reordered by collecting the bypass bins together. According to another embodiment of the present invention, binarization results of syntax elements from two or more of four Intra N×N prediction units, including prev_intra_luma_pred_flag, rem_intra_luma_pred_mode, and mpm_idx are reordered by collecting the bypass bins together. In yet another embodiment according to the present invention, the binarization results of other syntax elements are also reordered by collecting bypass bins together. Furthermore, the above reordering of binarization results may be used for binarization results corresponding to a block and its neighboring blocks.

摘要翻译： 公开了用于一个或多个块的语法元素的基于上下文的自适应二进制算术编码/解码的方法和装置。 根据本发明的一个实施例，变换单元的最后一个有效系数的x和y位置的二值化结果通过将旁路箱收集在一起来重新排序。 根据本发明的另一实施例，通过将旁路箱收集在一起来重新排序，包括prev_intra_luma_pred_flag，rem_intra_luma_pred_mode和mpm_idx的四个内部N×N个预测单元中的两个或更多个的语法元素的二值化结果。 在根据本发明的另一个实施例中，其他语法元素的二值化结果也通过将旁路容器收集在一起来重新排序。 此外，二值化结果的上述重新排序可以用于对应于块及其相邻块的二值化结果。

公开(公告)号：US20130329784A1

公开(公告)日：2013-12-12

申请号：US13985282

申请日：2012-04-23

申请人： Tzu-Der Chuang ,  Yu-Wen Huang ,  Ching-Yeh Chen

发明人： Tzu-Der Chuang ,  Yu-Wen Huang ,  Ching-Yeh Chen

IPC分类号： H04N7/26

CPC分类号： H04N19/176 ,  H04N19/102 ,  H04N19/13 ,  H04N19/159 ,  H04N19/167 ,  H04N19/463 ,  H04N19/91

摘要： A method and apparatus of line buffer reduction for context adaptive entropy processing are disclosed. The context formation for context adaptive entropy processing depends on block information associated with one or more neighboring Determining context formation for processing a blocks. When the neighboring block is on a different current syntax element of a current block in a region, side of a region boundary from the current block, the wherein the context formation depends on block block information is replaced by replacement block information associated with a neighboring block information to reduce or remove line buffer requirement for storing the block information of neighboring blocks on the other side of the region boundaries from the current block. The context adaptive entropy Replacing the block information associated with a processing is CABAC encoding, CABAC decoding, neighboring block by replacement block information if CAVLC encoding, or CAVLC decoding.

摘要翻译： 公开了用于上下文自适应熵处理的线路缓冲器减少的方法和装置。 上下文自适应熵处理的上下文形成取决于与用于处理块的一个或多个相邻确定上下文形成相关联的块信息。 当相邻块位于与当前块的区域边界的区域中的当前块的不同当前语法元素上，其中上下文形成取决于块块信息的替换是与相邻块相关联的替换块信息 信息，用于减少或去除线缓冲区的要求，用于将相邻块的块信息存储在与当前块的区域边界的另一侧上。 上下文自适应熵替换与处理相关的块信息是CABAC编码，CABAC解码，相邻块通过替换块信息，如果CAVLC编码，或CAVLC解码。

公开(公告)号：US09860528B2

公开(公告)日：2018-01-02

申请号：US14005555

申请日：2012-05-31

申请人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Chih-Ming Fu ,  Yu-Wen Huang ,  Shaw-Min Lei

发明人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Chih-Ming Fu ,  Yu-Wen Huang ,  Shaw-Min Lei

IPC分类号： H04N7/12 ,  H04N19/107 ,  H04N19/52 ,  H04N19/119 ,  H04N19/463 ,  H04N19/33 ,  H04N19/51 ,  H04N19/30 ,  H04N19/517

CPC分类号： H04N19/51 ,  H04N19/119 ,  H04N19/30 ,  H04N19/33 ,  H04N19/463 ,  H04N19/517 ,  H04N19/52

摘要： A method and apparatus for scalable video coding are disclosed, wherein the video data is configured into a Base Layer (BL) and an Enhancement Layer (EL) and wherein the EL has higher spatial resolution or better video quality than the BL. According to embodiments of the present invention, information from the base layer is exploited for coding the enhancement layer. The information coding for the enhancement layer includes CU structure, motion vector predictor (MVP) information, MVP/merge candidates, intra prediction mode, residual quadtree information, texture information, residual information, context adaptive entropy coding, Adaptive Lop Filter (ALF), Sample Adaptive Offset (SAO), and deblocking filter.

公开(公告)号：US10123008B2

公开(公告)日：2018-11-06

申请号：US14123093

申请日：2012-06-14

申请人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang ,  Shan Liu ,  Zhi Zhou ,  Shaw-Min Lei

发明人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang ,  Shan Liu ,  Zhi Zhou ,  Shaw-Min Lei

IPC分类号： H04N7/32 ,  H04N7/26 ,  H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70 ,  H04N19/593 ,  H04N19/463 ,  H04N19/186 ,  H04N19/136 ,  H04N19/169 ,  H04N19/44 ,  H04N19/91

摘要： Embodiments according to the present invention configure the intra prediction mode candidates into multi-level MPM sets, which comprise at least a first-level MPM set and a second-level MPM set. Encoding or decoding a current intra prediction mode is based on the multi-level MPM sets, where one syntax element of the syntax information to be generated or decoded respectively is associated with evaluating the current intra prediction mode using the first-level MPM set. A method and apparatus for chroma intra prediction mode encoding and decoding are also disclosed. The chroma intra prediction mode set includes a Luma-based chroma prediction Mode (LM), a Direct Mode (DM) and four other modes. The codeword set comprises variable-length codewords and fixed-length codewords, and the fixed-length codewords are longer than the variable-length codewords. The variable-length codewords are used for the DM and LM, and the fixed-length codewords are used for the four other modes.

公开(公告)号：US09762918B2

公开(公告)日：2017-09-12

申请号：US13985282

申请日：2012-04-23

申请人： Tzu-Der Chuang ,  Yu-Wen Huang ,  Ching-Yeh Chen

发明人： Tzu-Der Chuang ,  Yu-Wen Huang ,  Ching-Yeh Chen

IPC分类号： H04N19/176 ,  H04N19/102 ,  H04N19/463 ,  H04N19/91 ,  H04N19/13 ,  H04N19/159 ,  H04N19/167

CPC分类号： H04N19/176 ,  H04N19/102 ,  H04N19/13 ,  H04N19/159 ,  H04N19/167 ,  H04N19/463 ,  H04N19/91

摘要： A method and apparatus of line buffer reduction for context adaptive entropy processing are disclosed. The context formation for context adaptive entropy processing depends on block information associated with one or more neighboring blocks. When the neighboring block is on a different side of a region boundary from the current block, the block information is replaced by replacement block information to reduce or remove line buffer requirement for storing the block information of neighboring blocks on the other side of the region boundaries from the current block. The context adaptive entropy processing is CABAC encoding, CABAC decoding, CAVLC encoding, or CAVLC decoding.

公开(公告)号：US09509989B2

公开(公告)日：2016-11-29

申请号：US14234151

申请日：2012-08-02

申请人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang

发明人： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang

IPC分类号： H04N19/10 ,  H04N19/21 ,  H04N19/60 ,  H04N19/70 ,  H03M7/40 ,  H04N19/88 ,  H04N19/436 ,  H04N19/91

CPC分类号： H03M7/4018 ,  H04N19/159 ,  H04N19/21 ,  H04N19/436 ,  H04N19/70 ,  H04N19/88 ,  H04N19/91

摘要： A method and apparatus of context-based adaptive binary arithmetic encoding/decoding for syntax elements of one or more blocks are disclosed. According to one embodiment of the present invention, the binarization results of the x and y positions of the last significant coefficient of a transform unit are reordered by collecting the bypass bins together. According to another embodiment of the present invention, binarization results of syntax elements from two or more of four Intra N×N prediction units, including prev_intra_luma_pred_flag, rem_intra_luma_pred_mode, and mpm_idx are reordered by collecting the bypass bins together. In yet another embodiment according to the present invention, the binarization results of other syntax elements are also reordered by collecting bypass bins together. Furthermore, the above reordering of binarization results may be used for binarization results corresponding to a block and its neighboring blocks.

摘要翻译： 公开了用于一个或多个块的语法元素的基于上下文的自适应二进制算术编码/解码的方法和装置。 根据本发明的一个实施例，变换单元的最后一个有效系数的x和y位置的二值化结果通过将旁路箱收集在一起来重新排序。 根据本发明的另一实施例，通过将旁路箱收集在一起来重新排序，包括prev_intra_luma_pred_flag，rem_intra_luma_pred_mode和mpm_idx的四个内部N×N个预测单元中的两个或更多个的语法元素的二值化结果。 在根据本发明的另一个实施例中，其他语法元素的二值化结果也通过将旁路容器收集在一起来重新排序。 此外，二值化结果的上述重新排序可以用于对应于块及其相邻块的二值化结果。

公开(公告)号：US20160316213A1

公开(公告)日：2016-10-27

申请号：US15104654

申请日：2014-12-05

申请人： Wang-Lin LAI ,  Shan LIU ,  Tzu-Der CHUANG ,  Xiaozhong XU ,  Jing YE

发明人： Wang-Lin LAI ,  Shan LIU ,  Tzu-Der CHUANG ,  Xiaozhong XU ,  Jing YE

IPC分类号： H04N19/186 ,  H04N19/115 ,  H04N19/167 ,  H04N19/176

摘要： A method and apparatus for palette prediction and sharing according to the present invention are disclosed. A method incorporating an embodiment of the present invention determines one or more palette sharing flags for the current block. A set of current palettes corresponding to the set of color components is generated according to the palette sharing flags. If a first palette sharing flag is asserted, one or more current palettes indicated by the first palette sharing flag are copied entirely from one or more reference palettes of a set of reference palettes. If the first palette sharing flag is not asserted, one or more current palettes indicated by the first palette sharing flag are derived from a bitstream associated with the video data. Encoding or decoding is then applied to the current block according to the set of current palettes.

摘要翻译： 公开了一种根据本发明的调色板预测和共享的方法和装置。 结合本发明实施例的方法确定当前块的一个或多个调色板共享标志。 根据调色板共享标志生成与该组颜色分量对应的一组当前调色板。 如果第一调色板共享标志被断言，则由第一调色板共享标志指示的一个或多个当前调色板完全从一组参考调色板的一个或多个参考调色板复制。 如果第一调色板共享标志未被确认，则由与第一调色板共享标志指示的一个或多个当前调色板从与视频数据相关联的比特流导出。 然后根据当前调色板的集合将编码或解码应用于当前块。