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1. 发明申请

WO2013012867A3 BUFFERING PREDICTION DATA IN VIDEO CODING 审中-公开
公开(公告)号：WO2013012867A3
公开(公告)日：2013-01-24
申请号：PCT/US2012/047073
申请日：2012-07-17
申请人： QUALCOMM INCORPORATED , CHIEN, Wei-Jung , ZHENG, Yunfei , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
发明人： CHIEN, Wei-Jung , ZHENG, Yunfei , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
IPC分类号： H04N7/26 , H04N7/34 , H04N7/36
摘要： In an example, aspects of this disclosure relate to a method of coding video data that generally includes determining prediction information for a block of video data, where the block is included in a coded unit of video data and positioned below a top row of above-neighboring blocks in the coded unit, and where the prediction information for the block is based on prediction information from one or more other blocks in the coded unit but not based on prediction information from any of the top row of blocks in the coded unit. The method also generally includes coding the block based on the determined prediction information.

2. 发明申请

WO2012116212A1 HIERARCHY OF MOTION PREDICTION VIDEO BLOCKS 审中-公开
标题翻译：运动预测视频块的分层
公开(公告)号：WO2012116212A1
公开(公告)日：2012-08-30
申请号：PCT/US2012/026368
申请日：2012-02-23
申请人： QUALCOMM INCORPORATED , ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
发明人： ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/36
CPC分类号： H04N19/157 , H04N19/105 , H04N19/176 , H04N19/51 , H04N19/52
摘要： A video decoder is configured to obtain an index value for a current video block. The video decoder obtains a partition type for a current video block. The video decoder selects one of a plurality of defined sets of ordered candidate predictive video blocks based on the partition type of the current video block. A video decoder selects a predictive video block from a selected one of the plurality of defined sets of ordered candidate predictive video blocks based on an index value. A video decoder generates a motion vector for a current video block based on motion information of the predictive video block.
摘要翻译：视频解码器被配置为获得当前视频块的索引值。视频解码器获得当前视频块的分区类型。视频解码器基于当前视频块的分区类型来选择多个定义的有序候选预测视频块集合中的一个。视频解码器基于索引值从多个定义的有序候选预测视频块集合中的所选择的一个中选择预测视频块。视频解码器基于预测视频块的运动信息生成当前视频块的运动矢量。

3. 发明申请

WO2012167119A1 INTRA PREDICTION MODE CODING WITH DIRECTIONAL PARTITIONS 审中-公开
标题翻译：内部预测模式编码与方向分区
公开(公告)号：WO2012167119A1
公开(公告)日：2012-12-06
申请号：PCT/US2012/040510
申请日：2012-06-01
申请人： QUALCOMM INCORPORATED , CHIEN, Wei-Jung , ZHENG, Yunfei , KARCZEWICZ, Marta
发明人： CHIEN, Wei-Jung , ZHENG, Yunfei , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/34
CPC分类号： H04N19/11 , H04N19/176 , H04N19/46 , H04N19/593
摘要： A video coder can determine a most probable mode for a block of video data using non-square partitions based on the direction of the non-square partitions. When the direction of the non-square partitions is vertical, an intra prediction mode of a left-neighboring block can be selected as the most probable intra prediction mode, and when the direction of the non-square partitions is horizontal, an intra prediction mode of an above-neighboring block can be selected as the most probable intra prediction mode.
摘要翻译：视频编码器可以基于非正方形分区的方向，使用非正方形分区来确定视频数据块的最可能模式。当非正方形分区的方向是垂直方向时，可以选择左相邻块的帧内预测模式作为最可能的帧内预测模式，并且当非正方形分区的方向是水平时，帧内预测模式可以选择上述相邻块作为最可能的帧内预测模式。

4. 发明申请

WO2012128903A1 BI-PREDICTIVE MERGE MODE BASED ON UNI-PREDICTIVE NEIGHBORS IN VIDEO CODING 审中-公开
标题翻译：基于视频编码中的预测邻域的BI预测算法模式
公开(公告)号：WO2012128903A1
公开(公告)日：2012-09-27
申请号：PCT/US2012/027136
申请日：2012-02-29
申请人： QUALCOMM INCORPORATED , ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
发明人： ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/36 , H04N7/46
CPC分类号： H04N19/196 , H04N19/105 , H04N19/147 , H04N19/176 , H04N19/197 , H04N19/46 , H04N19/463 , H04N19/52 , H04N19/577
摘要： This disclosure describes a bi-predictive merge mode in which a bi-predictive video block inherits motion information from two different neighboring blocks, wherein the two different neighboring blocks were each encoded in a uni-predictive mode. Bi-predictive coding may improve the ability to achieve compression in video coding. The described bi-predictive merge mode may increase the number of bi-predictive candidates that can be used in the context of merge mode coding by allowing two separate uni-predicted neighbors to be used to define bi-predictive motion information for a video block.
摘要翻译：本公开描述了双预测合并模式，其中双预测视频块从两个不同的相邻块继承运动信息，其中两个不同的相邻块每个以单一预测模式编码。双重预测编码可以提高在视频编码中实现压缩的能力。所描述的双重预测合并模式可以通过允许使用两个单独的非预测邻居来定义用于视频块的双向预测运动信息来增加可以在合并模式编码的上下文中使用的双向预测候选的数量。

5. 发明申请

WO2012121808A1 MOTION VECTOR PREDICTORS (MVPs) FOR BI-PREDICTIVE INTER MODE IN VIDEO CODING 审中-公开
标题翻译：运动矢量预测器（MVPs）用于视频编码中的双重预测互动
公开(公告)号：WO2012121808A1
公开(公告)日：2012-09-13
申请号：PCT/US2012/021885
申请日：2012-01-19
申请人： QUALCOMM Incorporated , ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
发明人： ZHENG, Yunfei , CHIEN, Wei-Jung , KARCZEWICZ, Marta
IPC分类号： H04N7/26
CPC分类号： H04N19/463 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/197 , H04N19/52
摘要： This disclosure describes video coding techniques applicable to a bipredictive intermode that uses adaptive motion vector prediction (AMVP). In particular, this disclosure describes techniques for encoding or decoding video data in which AMVP is used to code a first motion vector and a second motion vector associated with a current video block that is coded in the bipredictive inter mode. More specifically, this disclosure describes techniques in which one motion vector of a bipredictive video block can be used to define a candidate motion vector predictor (MVP) for predicting another motion vector of the bipredictive video block. In many examples, a scaled version of the first motion vector of the bipredictive video block is used as the MVP for the second motion vector of the bipredictive video block. By defining an additional MVP candidate for the second motion vector of a bipredictive video block, improved compression may be achieved.
摘要翻译：本公开描述了适用于使用自适应运动矢量预测（AMVP）的双重预测模式的视频编码技术。具体地，本公开描述了用于编码或解码视频数据的技术，其中使用AMVP来编码第一运动矢量和与以双重预测帧间模式编码的当前视频块相关联的第二运动矢量。更具体地，本公开描述了其中可以使用双重预测视频块的一个运动矢量来定义用于预测双预测视频块的另一运动矢量的候选运动矢量预测器（MVP）的技术。在许多示例中，将双预测视频块的第一运动矢量的缩放版本用作双预测视频块的第二运动矢量的MVP。通过为双预测视频块的第二运动矢量定义附加MVP候选，可以实现改进的压缩。

6. 发明申请

WO2012024081A1 LOW COMPLEXITY ADAPTIVE FILTER 审中-公开
标题翻译：低复杂自适应滤波器
公开(公告)号：WO2012024081A1
公开(公告)日：2012-02-23
申请号：PCT/US2011/046238
申请日：2011-08-02
申请人： QUALCOMM INCORPORATED , CHONG, In Suk , CHIEN, Wei-Jung , KARCZEWICZ, Marta
发明人： CHONG, In Suk , CHIEN, Wei-Jung , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/50
CPC分类号： H04N19/82 , H04N19/117 , H04N19/14 , H04N19/192 , H04N19/46 , H04N19/61 , H04N19/96
摘要： For a first series of video blocks, an encoder determines two filters, a first decoding filter that is to be transmitted to a decoder and a first interim filter that is not to be transmitted to the decoder. The first interim filter is used to determine which coded units of a second series of video blocks are to be filtered. After a decision is made as to which coded units of the second series of video blocks are to be filtered, the encoder determines a second decoding filter for the second series of video blocks and transmits the second decoding filter to the decoder. In addition to determining the second decoding filter, the encoder also determines a second interim filter, which the encoder uses to determine which coded units of a third series of video blocks are to be filtered. This process may repeat for many series of video blocks.
摘要翻译：对于第一系列视频块，编码器确定两个滤波器，即要发送到解码器的第一解码滤波器和不被传送到解码器的第一中间滤波器。第一中间滤波器用于确定要过滤的第二系列视频块的哪些编码单元。在对第二系列视频块的哪个编码单元进行滤波的决定之后，编码器确定用于第二系列视频块的第二解码滤波器，并将第二解码滤波器发送到解码器。除了确定第二解码滤波器之外，编码器还确定第二中间滤波器，编码器用于确定第三系列视频块的哪些编码单元将被滤波。对于许多系列视频块，此过程可能会重复。

7. 发明申请

WO2011130333A1 VARIABLE LENGTH CODING OF CODED BLOCK PATTERN (CBP) IN VIDEO COMPRESSION 审中-公开
标题翻译：编码块图案（CBP）在视频压缩中的可变长度编码
公开(公告)号：WO2011130333A1
公开(公告)日：2011-10-20
申请号：PCT/US2011/032193
申请日：2011-04-12
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , CHIEN, Wei-Jung , WANG, Xianglin
发明人： KARCZEWICZ, Marta , CHIEN, Wei-Jung , WANG, Xianglin
IPC分类号： H04N7/26
CPC分类号： H04N19/91 , H04N19/122 , H04N19/13 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/70
摘要： In one example, this disclosure describes method of coding video data. The method comprises coding a block of video data as one or more luminance blocks of transform coefficients and one or more chrominance blocks of transform coefficients, and coding a coded block pattern (CBP) for the block of video data. The CBP comprises syntax information that identifies whether non-zero data is included in each of the luminance blocks and each of the chrominance blocks. Coding the CBP includes selecting one or more variable length coding (VLC) tables based on a transform size used in performing one or more transforms on the one or more luminance blocks.
摘要翻译：在一个示例中，本公开描述了对视频数据进行编码的方法。该方法包括将视频数据块编码为变换系数的一个或多个亮度块和变换系数的一个或多个色度块，以及对视频数据块的编码块模式（CBP）进行编码。 CBP包括用于识别非零数据是否包括在每个亮度块和每个色度块中的语法信息。编码CBP包括基于在一个或多个亮度块上执行一个或多个变换所使用的变换大小来选择一个或多个可变长度编码（VLC）表。

8. 发明申请

WO2011103206A1 ADAPTIVE MOTION RESOLUTION FOR VIDEO CODING 审中-公开
标题翻译：用于视频编码的自适应运动分辨率
公开(公告)号：WO2011103206A1
公开(公告)日：2011-08-25
申请号：PCT/US2011/025113
申请日：2011-02-16
申请人： QUALCOMM INCORPORATED , CHIEN, Wei-Jung , KARCZEWICZ, Marta , CHEN, Peisong
发明人： CHIEN, Wei-Jung , KARCZEWICZ, Marta , CHEN, Peisong
IPC分类号： H04N7/26 , H04N7/36 , H04N7/50
CPC分类号： H04N19/58 , H04N19/102 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/46 , H04N19/52 , H04N19/523 , H04N19/61
摘要： A video encoder may encode video data by adaptively selecting between one-eighth-pixel and one-quarter-pixel precision motion vectors, and signal the selected precision. In one example, an apparatus includes a video encoder to encode a block of video data using a one-eighth-pixel precision motion vector when use of the one-eighth-pixel precision motion vector is determined to be preferable for the block over a one-quarter-pixel precision motion vector, and to generate a signal value indicative of the use of the one-eighth-pixel precision motion vector for the block, and an output interface to output the encoded block and the signal value. A video decoder may be configured to receive the signal value and the encoded block, analyze the signal value to determine whether the block was encoded using one-eighth-pixel precision or one-quarter-pixel precision, and decode the block based on the determination.
摘要翻译：视频编码器可以通过在八分之一像素和四分之一像素精度的运动矢量之间进行自适应选择来对视频数据进行编码，并且将所选精度发信号。在一个示例中，一种装置包括：视频编码器，当使用八分之一像素的精确运动矢量被确定为优于一块时，使用八分之一像素的精确运动矢量对视频数据块进行编码并且生成指示使用该块的八分之一像素精度运动矢量的信号值，以及输出接口以输出编码块和信号值。视频解码器可以被配置为接收信号值和编码块，分析信号值以确定块是使用八分之一像素精度还是四分之一像素精度进行编码，并且基于该确定对块进行解码。

9. 发明申请

WO2011002809A2 TEMPLATE MATCHING FOR VIDEO CODING 审中-公开
标题翻译：视频编码的模板匹配
公开(公告)号：WO2011002809A2
公开(公告)日：2011-01-06
申请号：PCT/US2010/040475
申请日：2010-06-29
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , CHIEN, Wei-Jung
发明人： KARCZEWICZ, Marta , CHIEN, Wei-Jung
IPC分类号： H04N7/36
CPC分类号： H04N19/00733 , H04N19/105 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/46 , H04N19/51 , H04N19/573 , H04N19/577
摘要： In one aspect of this disclosure, template matching motion prediction is applied to B frames. In another aspect of this disclosure, template matching motion prediction as applied to video block coding may include generating a template offset, generating a weighted sum of absolute differences, selecting a number of hypotheses used to encode video blocks based on the cost associated with the number of hypotheses and signaling, with a new syntax, to a decoder, the number of hypotheses used in encoding, rejecting hypotheses if the difference in value between a hypothesis and a reference hypothesis is greater than a threshold value, and/or generating the content of a sub-block that does not have reconstructed data available by combining motion-compensated prediction and luma residuals.
摘要翻译：在本公开的一个方面中，将模板匹配运动预测应用于B帧。在本公开的另一方面，应用于视频块编码的模板匹配运动预测可包括生成模板偏移，生成绝对差的加权和，基于与数量相关联的成本来选择用于对视频块进行编码的假设的数量的假设和信号通过新语法传输到解码器，编码中使用的假设的数量，如果假设和参考假设之间的值差异大于阈值，则拒绝假设，和/或生成通过组合运动补偿预测和明度残差不具有重构数据的子块。

10. 发明申请

WO2019136657A1 VIDEO CODING USING LOCAL ILLUMINATION COMPENSATION 审中-公开
公开(公告)号：WO2019136657A1
公开(公告)日：2019-07-18
申请号：PCT/CN2018/072218
申请日：2018-01-11
申请人： QUALCOMM INCORPORATED , HAN, Yu , ZHANG, Kai , CHIEN, Wei-Jung , KARCZEWICZ, Marta
发明人： HAN, Yu , ZHANG, Kai , CHIEN, Wei-Jung , KARCZEWICZ, Marta
IPC分类号： H04N19/17
摘要： A video coding device includes a memory configured to store video data, and processing circuitry in communication with the memory. The processing circuitry is configured to determine that a current block of the video data stored to the memory is to be coded according to a merge mode, and to determine a temporal candidate associated with a merge candidate list for the current block in accordance with the merge mode. The processing circuitry is further configured to determine a pool of spatial candidates associated with the merge candidate list, based on each spatial candidate of the pool having a same reference picture as the temporal candidate, and to set a local illumination compensation (LIC) flag value for the temporal candidate based on respective LIC flag values of one or more spatial candidates of the pool.

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