METHOD AND APPARATUS FOR GLOBAL MOTION COMPENSATION IN VIDEO CODING SYSTEM
    31.
    发明申请
    METHOD AND APPARATUS FOR GLOBAL MOTION COMPENSATION IN VIDEO CODING SYSTEM 审中-公开
    用于视频编码系统中全局运动补偿的方法和装置

    公开(公告)号:WO2017087751A1

    公开(公告)日:2017-05-26

    申请号:PCT/US2016/062681

    申请日:2016-11-18

    CPC classification number: H04N19/46 H04N19/527 H04N19/70

    Abstract: A method and apparatus of Inter prediction for video coding performed in a video encoder or a video decoder are disclosed. In one method, a GMC (global motion compensation) indication indicating whether global motion compensation is enabled is signalled at the video encoder side or parsed from the video bitstream at the video decoder side. The current processing unit is encoded or decoded using one or more coding modes including a GMC mode if the GMC indication is indicates GMC is enabled. According to another method, if a GMC mode is enabled for a region, a number representing the total number of multiple global motion models allowed is determined for encoding or decoding the processing units in the region using multiple global motion models. In yet another method the GMC and local motion compensation are applied selectively or in a combined fashion.

    Abstract translation: 公开了一种用于在视频编码器或视频解码器中执行的视频编码的帧间预测的方法和设备。 在一种方法中,指示全局运动补偿是否被启用的GMC(全局运动补偿)指示在视频编码器侧被发信号通知或者从视频解码器侧的视频比特流被解析。 如果GMC指示指示GMC被启用,则使用包括GMC模式的一个或多个编码模式对当前处理单元进行编码或解码。 根据另一种方法,如果针对某个区域启用了GMC模式,则使用多个全局运动模型来确定表示允许的多个全局运动模型的总数的编号,以对该区域中的处理单元进行编码或解码。 在另一种方法中,GMC和局部运动补偿有选择地或以组合方式应用。

    METHODS OF PALETTE BASED PREDICTION FOR NON-444 COLOR FORMAT IN VIDEO AND IMAGE CODING
    32.
    发明申请
    METHODS OF PALETTE BASED PREDICTION FOR NON-444 COLOR FORMAT IN VIDEO AND IMAGE CODING 审中-公开
    基于PALETTE的预测方法,用于视频和图像编码中的非444色格式

    公开(公告)号:WO2016100424A1

    公开(公告)日:2016-06-23

    申请号:PCT/US2015/065946

    申请日:2015-12-16

    Abstract: A method of video coding using palette coding mode for color video in a non-444 color format is disclosed. The non-444 video data can be converted to the 444 format so that the palette designed for the 444 format can be used for the non-444 video data. For the 4:2:0 color format, each chroma sample collocated with corresponding quad luma samples is padded with three chroma samples to form converted quad chroma samples. For the 4:2:0 color format, if a current pixel does not belong to the color palette, one or more escape values are signaled for the current pixel and the escape value associated with the chroma sample of the current pixel for each color component is not signaled for three of the quad chroma sample locations collocated with corresponding quad luma samples.

    Abstract translation: 公开了一种使用调色板编码模式进行彩色视频的非444色格式的视频编码方法。 非444视频数据可以转换为444格式,以便为444格式设计的调色板可用于非444视频数据。 对于4:2:0颜色格式,用相应的四个亮度样本并置的每个色度样本用三个色度样本填充以形成转换的四色度样本。 对于4:2:0颜色格式,如果当前像素不属于调色板,则会为当前像素发出一个或多个转义值,并为每个颜色分量与当前像素的色度样本相关联的转义值 对于与相应的四亮度样本并置的四个色度采样位置中的三个没有发出信号。

    METHOD OF INTRA BLOCK COPY SEARCH AND COMPENSATION RANGE
    33.
    发明申请
    METHOD OF INTRA BLOCK COPY SEARCH AND COMPENSATION RANGE 审中-公开
    内部块复制搜索和补偿范围的方法

    公开(公告)号:WO2016004850A1

    公开(公告)日:2016-01-14

    申请号:PCT/CN2015/083443

    申请日:2015-07-07

    Abstract: A method of IntraBC coding using restricted reference area is disclosed. A reference block is selected from an available ladder-shaped reference area comprising previously processed blocks before the current working block in the current CTU row and previously processed blocks in one or more previous CTU rows. A location of a last previously processed block of a second previous CTU row that is one CTU row farther away from the current CTU row than a first previous CTU row is always in a same vertical location or after a same vertical position of a last previously processed block of the first previous CTU row. The current picture may be partitioned into multiple CTU rows for applying wavefront parallel processing (WPP) on the multiple CTU rows, where the current working block corresponds to a current working block. Similar restrictions may also be applied to slice/tile-based parallel processing.

    Abstract translation: 公开了使用限制参考区域的IntraBC编码方法。 从可用的梯形参考区域中选择参考块,该梯形图参考区域包括当前CTU行中的当前工作块之前的先前处理的块以及一个或多个先前CTU行中的先前处理的块。 与前一个CTU行相比,远离当前CTU行的一个CTU行的第二先前CTU行的最后一个先前处理的块的位置总是处于相同的垂直位置,或者在最后一次先前处理的相同垂直位置之后 第一个CTU行的块。 当前图片可以划分成多个CTU行,用于在多个CTU行上应用波前并行处理(WPP),其中当前工作块对应于当前工作块。 类似的限制也可以应用于基于片/片的并行处理。

    METHOD OF RESIDUE DIFFERENTIAL PULSE-CODE MODULATION FOR HEVC RANGE EXTENSION
    34.
    发明申请
    METHOD OF RESIDUE DIFFERENTIAL PULSE-CODE MODULATION FOR HEVC RANGE EXTENSION 审中-公开
    用于HEVC范围扩展的残留差分脉冲编码调制方法

    公开(公告)号:WO2015057438A1

    公开(公告)日:2015-04-23

    申请号:PCT/US2014/059604

    申请日:2014-10-08

    Abstract: A method of RDPCM (Residue Differential Pulse-Code Modulation) coding incorporating unified Intra and Inter RDPCM coding is disclosed. The same RDPCM encoding and decoding steps in the same processing order are applied to blocks coded in the Intra prediction mode and Inter prediction mode/IntraBC prediction mode (Intra-block copy mode). A method of extending Inter RDPCM coding to blocks coded in the IntraBC prediction mode. RDPCM processing in the vertical or horizontal direction is applied to IntraBC residue.

    Abstract translation: 公开了一种结合了统一的内部和内部RDPCM编码的RDPCM(残差差分脉冲编码调制)编码方法。 以相同处理顺序的相同的RDPCM编码和解码步骤被应用于以帧内预测模式和帧间预测模式/ IntraBC预测模式(块内复制模式)编码的块。 将InterPCRPCM编码扩展到以IntraBC预测模式编码的块的方法。 垂直或水平方向的RDPCM处理应用于IntraBC残留。

    METHOD AND APPARATUS FOR BLOCK PARTITION OF CHROMA SUBSAMPLING FORMATS
    36.
    发明申请
    METHOD AND APPARATUS FOR BLOCK PARTITION OF CHROMA SUBSAMPLING FORMATS 审中-公开
    用于分离色谱分离格式的方法和装置

    公开(公告)号:WO2013152736A1

    公开(公告)日:2013-10-17

    申请号:PCT/CN2013/074132

    申请日:2013-04-12

    Abstract: A method and apparatus for video data processing for video in YUV422 or YUV 444 formats are disclosed. In one embodiment, for a 2Nx2N luma coding unit (CU) in YUV422 format, the transform process partitions residue data corresponding to the 2Nx2N luma CU and the Nx2N chroma CU into square luma and chroma transform units (TUs). The residue data associated with the luma and the chroma CUs are generated by applying prediction process to the luma CU and the chroma CU. The transform process is independent of prediction block size or prediction mode associated with the prediction process. In another embodiment, the prediction process splits the CU into two prediction blocks. Transform process is applied on the chroma residue data corresponding to the chroma CU to form one or more chroma TUs, wherein the transform process is dependent on CU size and prediction block size, or CU size and prediction mode.

    Abstract translation: 公开了一种用于YUV422或YUV 444格式的视频的视频数据处理的方法和装置。 在一个实施例中,对于YUV422格式的2Nx2N亮度编码单元(CU),变换处理将对应于2Nx2N亮度CU和Nx2N色度CU的残留数据分割为平方亮度和色度变换单位(TU)。 通过对亮度CU和色度CU应用预测处理来生成与亮度和色度CU相关联的残差数据。 变换过程与预测过程相关的预测块大小或预测模式无关。 在另一个实施例中,预测过程将CU分成两个预测块。 变换处理应用于与色度CU对应的色度残差数据,以形成一个或多个色度TU,其中变换过程取决于CU大小和预测块大小,或CU尺寸和预测模式。

    METHOD AND APPARATUS FOR INTRA MODE DERIVATION AND CODING IN SCALABLE VIDEO CODING
    38.
    发明申请
    METHOD AND APPARATUS FOR INTRA MODE DERIVATION AND CODING IN SCALABLE VIDEO CODING 审中-公开
    用于可扩展视频编码的内部模式衍生和编码的方法和装置

    公开(公告)号:WO2013139212A1

    公开(公告)日:2013-09-26

    申请号:PCT/CN2013/072403

    申请日:2013-03-11

    Abstract: 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.

    Abstract translation: 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模式(MPM),然后将MPM用于当前帧内模式的预测编码。

    METHOD AND APPARATUS FOR INTRA MODE CODING
    39.
    发明申请
    METHOD AND APPARATUS FOR INTRA MODE CODING 审中-公开
    内部模式编码的方法和装置

    公开(公告)号:WO2013107270A1

    公开(公告)日:2013-07-25

    申请号:PCT/CN2012/087887

    申请日:2012-12-28

    Abstract: A method and apparatus of predictive Intra coding of a block are disclosed. In one embodiment according to the present invention, a same set of Intra prediction modes is used for PUs corresponding to different block sizes including a 4x4 block size and at least one other block size. In another embodiment of the present invention, the number of Intra prediction modes in the set is reduced by removing at least one Intra prediction mode from the set. For example, when the set of 35 Intra prediction modes is used, intraPredMode corresponding to 18, 34, or 26 can be removed. The current Intra prediction mode can be coded predictively based on said one or more neighboring PUs, wherein the current Intra prediction mode is predicted using 2 most probable modes (MPMs) and 32 remaining modes. The 32 remaining modes can be represented using 5-bit fixed length codes.

    Abstract translation: 公开了一种块的预测性内部编码的方法和装置。 在根据本发明的一个实施例中,对于与包括4×4块大小和至少一个其他块大小的不同块大小相对应的PU,使用相同的一组帧内预测模式。 在本发明的另一个实施例中,通过从集合去除至少一个帧内预测模式来减少集合中的帧内预测模式的数量。 例如,当使用35个帧内预测模式的集合时,可以去除对应于18,34或26的intraPredMode。 可以基于所述一个或多个相邻PU预测编码当前帧内预测模式,其中使用2个最可能模式(MPM)和32个剩余模式预测当前帧内预测模式。 可以使用5位固定长度代码来表示32个剩余模式。

    METHOD AND APPARATUS FOR CONTEXT-ADAPTIVE BINARY ARITHMETIC CODING OF SYNTAX ELEMENTS
    40.
    发明申请
    METHOD AND APPARATUS FOR CONTEXT-ADAPTIVE BINARY ARITHMETIC CODING OF SYNTAX ELEMENTS 审中-公开
    方法和装置的语义适应性二进制算术编码语音元素

    公开(公告)号:WO2013107230A1

    公开(公告)日:2013-07-25

    申请号:PCT/CN2012/086536

    申请日:2012-12-13

    CPC classification number: H04N19/70 H04N19/124 H04N19/91

    Abstract: A method and apparatus for context-adaptive arithmetic coding (CABAC) of a syntax element are disclosed. The bin string corresponding to a syntax element is processed by context- adaptive arithmetic coding with a reduced number of contexts using the bin-level bypass mode, bin-level context sharing, or both. The syntax element belongs to a group comprising merge_idx, ref_idx_lc/ref_idx_10/ref_idx_11, pred_type, and cu_qp_delta. In one embodiment, the syntax element corresponds to merge_idx and three bins of the bin string with bin indices corresponding to 1, 2 and 3 are coded in the bin bypass mode. In another embodiment, the syntax element corresponds to ref_idx_lc/ref_idx_10/ref_idx_11 and one or more bins of the bin string with bin indices larger than 1or larger than 2 are coded in the bin bypass mode.

    Abstract translation: 公开了一种用于语法元素的上下文自适应算术编码(CABAC)的方法和装置。 对应于语法元素的bin字符串使用bin级别旁路模式,bin级别上下文共享或两者,通过使用减少数量的上下文的上下文自适应算术编码进行处理。 语法元素属于包含merge_idx,ref_idx_lc / ref_idx_10 / ref_idx_11,pred_type和cu_qp_delta的组。 在一个实施例中,语法元素对应于merge_idx,并且具有对应于1,2和3的bin索引的bin列的三个bin被以bin旁路模式编码。 在另一个实施例中,语法元素对应于ref_idx_lc / ref_idx_10 / ref_idx_11,并且在bin旁路模式中对具有大于1或大于2的bin索引的bin列的一个或多个bin进行编码。

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