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81. 发明申请

WO2013003741A1 VLC COEFFICIENT CODING FOR LUMA AND CHROMA BLOCK 审中-公开
标题翻译：用于LUMA和CHROMA块的VLC系数编码
公开(公告)号：WO2013003741A1
公开(公告)日：2013-01-03
申请号：PCT/US2012/044976
申请日：2012-06-29
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , WANG, Xianglin , CHIEN, Wei-Jung , GUO, Liwei
发明人： KARCZEWICZ, Marta , WANG, Xianglin , CHIEN, Wei-Jung , GUO, Liwei
IPC分类号： H04N7/26 , H04N7/30 , H04N7/50 , H03M7/30
CPC分类号： H04N19/91 , H04N19/13 , H04N19/176 , H04N19/186 , H04N19/60 , H04N19/61
摘要： This disclosure describes techniques for coding transform coefficients for a block of video data. According to these techniques, a video coder (a video encoder or video decoder) determines whether a block of video data is a luma block or a chroma block. If the block of video data is a luma block, the video coder adaptively updates a VLC table index value based on a code number cn and value of a scaling factor. However, if the block of video data is a chroma block, the video coder adaptively updates the VLC table index value based on the code number cn and without using the scaling factor. The video coder uses the updated VLC table index value to select a VLC table of a plurality of VLC tables that are used to encode or decode the block of video data.
摘要翻译：本公开描述了用于对视频数据块的变换系数进行编码的技术。根据这些技术，视频编码器（视频编码器或视频解码器）确定视频数据块是亮度块还是色度块。如果视频数据块是亮度块，则视频编码器基于码数cn和缩放因子的值自适应地更新VLC表索引值。然而，如果视频数据块是色度块，则视频编码器基于码数cn自适应地更新VLC表索引值，而不使用缩放因子。视频编码器使用更新的VLC表索引值来选择用于对视频数据块进行编码或解码的多个VLC表的VLC表。

82. 发明申请

WO2012170812A1 ENHANCED INTRA-PREDICTION MODE SIGNALING FOR VIDEO CODING USING NEIGHBORING MODE 审中-公开
标题翻译：使用相邻模式进行视频编码的增强型预测模式信号
公开(公告)号：WO2012170812A1
公开(公告)日：2012-12-13
申请号：PCT/US2012/041545
申请日：2012-06-08
申请人： QUALCOMM INCORPORATED , CHIEN, Wei-Jung , KARCZEWICZ, Marta , WANG, Xianglin
发明人： CHIEN, Wei-Jung , KARCZEWICZ, Marta , WANG, Xianglin
IPC分类号： H04N7/26 , H04N7/34
CPC分类号： H04N19/593 , H04N19/11 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/46 , H04N19/463
摘要： This disclosure describes techniques for intra-prediction mode signaling for video coding. In one example, a video coder is configured to determine, for a block of video data, a set of most probable intra-prediction modes such that the set of most probable intraprediction modes has a size that is equal to a predetermined number that is greater than or equal to two. The video coder is also configured to code a value representative of an actual intra-prediction mode for the block based at least in part on the set of most probable intraprediction modes and code the block using the actual intra-prediction mode. The video coder may further be configured to code the block using the actual intra-prediction mode, e.g., to encode or decode the block. Video encoders and video decoders may implement these techniques.
摘要翻译：本公开描述了用于视频编码的帧内预测模式信令的技术。在一个示例中，视频编码器被配置为针对视频数据块确定最可能的帧内预测模式的集合，使得最可能的预测模式的集合具有等于大于预定数量的大小大于或等于2。视频编码器还被配置为至少部分地基于最可能的预测模式的集合来编码表示块的实际帧内预测模式的值，并且使用实际帧内预测模式对块进行编码。视频编码器还可以被配置为使用实际的帧内预测模式对块进行编码，例如对块进行编码或解码。视频编码器和视频解码器可以实现这些技术。

83. 发明申请

WO2012088459A1 TRANSFORM COEFFICIENT SCAN 审中-公开
标题翻译：变革系数扫描
公开(公告)号：WO2012088459A1
公开(公告)日：2012-06-28
申请号：PCT/US2011/066942
申请日：2011-12-22
申请人： QUALCOMM Incorporated , KARCZEWICZ, Marta , WANG, Xianglin
发明人： KARCZEWICZ, Marta , WANG, Xianglin
IPC分类号： H04N7/26
CPC分类号： H04N19/136 , H04N19/129 , H04N19/132 , H04N19/176 , H04N19/197
摘要： This disclosure describes techniques for coding transform coefficients for a block of video data. According to these techniques, a video encoder may adaptively scan a first plurality of coefficients of a two-dimensional matrix of coefficients, and use a fixed scan technique for a second plurality of coefficients of the two-dimensional matrix, to generate a one-dimensional vector of transform coefficients. Also according to these techniques, a video decoder may adaptively scan a first plurality of coefficients of a one-dimensional vector of coefficients, and use a fixed scan technique for a second plurality of coefficients of the one-dimensional vector, to generate a two-dimensional matrix of transform coefficients.
摘要翻译：本公开描述了用于对视频数据块的变换系数进行编码的技术。根据这些技术，视频编码器可以自适应地扫描系数的二维矩阵的第一多个系数，并且对于二维矩阵的第二多个系数使用固定扫描技术来生成一维变换系数向量。同样根据这些技术，视频解码器可以自适应地扫描系数的一维向量的第一多个系数，并且对于一维向量的第二多个系数使用固定扫描技术，变换系数的三维矩阵。

84. 发明申请

WO2012078767A1 CODEWORD ADAPTATION FOR VARIABLE LENGTH CODING 审中-公开
标题翻译：可变长度编码的编码器适配
公开(公告)号：WO2012078767A1
公开(公告)日：2012-06-14
申请号：PCT/US2011/063757
申请日：2011-12-07
申请人： QUALCOMM Incorporated , CHIEN, Wei-Jung , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
发明人： CHIEN, Wei-Jung , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
IPC分类号： H03M7/42 , H03M7/40 , H04N7/26
CPC分类号： H03M7/40 , H03M7/42 , H04N19/91
摘要： In one example, this disclosure describes a method of codeword adaptation for variable length coding. The method includes applying a first codeword adaptation scheme to groups of codewords in a variable length coding (VLC) table to change mappings of codewords within the groups to events in the VLC table; and applying a second codeword adaptation scheme to individual codewords within the groups of codewords in the VLC table to change mappings of the codewords to the events within the groups in the VLC table.
摘要翻译：在一个示例中，本公开描述了用于可变长度编码的码字适配的方法。所述方法包括：在可变长度编码（VLC）表中应用码字组适配方案以改变所述组内的码字的映射到所述VLC表中的事件的映射; 以及将所述VLC表中的码字组内的各个码字应用第二码字适配方案，以将所述码字的映射改变为所述VLC表中的组内的事件。

85. 发明申请

WO2012078762A1 CODEWORD ADAPTATION FOR VARIABLE LENGTH CODING 审中-公开
标题翻译：可变长度编码的编码器适配
公开(公告)号：WO2012078762A1
公开(公告)日：2012-06-14
申请号：PCT/US2011/063750
申请日：2011-12-07
申请人： QUALCOMM Incorporated , CHIEN, Wei-Jung , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
发明人： CHIEN, Wei-Jung , WANG, Xianglin , KARCZEWICZ, Marta , GUO, Liwei
IPC分类号： H03M7/42 , H03M7/40 , H04N7/26
CPC分类号： H03M7/40 , H03M7/42 , H04N19/91
摘要： In one example, this disclosure describes a method of codeword adaptation for variable length coding. The method comprises applying a first codeword adaptation scheme to a first group of codewords of a variable length coding (VLC) table to change a mapping of codewords to events in the VLC table; and applying a second codeword adaptation scheme to a second group of codewords of the VLC table to change the mapping of the codewords to the events in the VLC table.
摘要翻译：在一个示例中，本公开描述了用于可变长度编码的码字适配的方法。该方法包括将第一码字适配方案应用于可变长度编码（VLC）表的第一组码字，以改变码字到VLC表中的事件的映射; 以及将第二码字适配方案应用于所述VLC表的第二组码字，以将所述码字的映射改变为所述VLC表中的事件。

86. 发明申请

WO2012044886A1 INTRA SMOOTHING FILTER FOR VIDEO CODING 审中-公开
标题翻译： INTRA SMOOTHING过滤器用于视频编码
公开(公告)号：WO2012044886A1
公开(公告)日：2012-04-05
申请号：PCT/US2011/054130
申请日：2011-09-30
申请人： QUALCOMM INCORPORATED , VAN DER AUWERA, Geert , WANG, Xianglin , COBAN, Muhammed, Zeyd , KARCZEWICZ, Marta , ZHENG, Yunfei
发明人： VAN DER AUWERA, Geert , WANG, Xianglin , COBAN, Muhammed, Zeyd , KARCZEWICZ, Marta , ZHENG, Yunfei
IPC分类号： H04N7/26 , H04N7/34
CPC分类号： H04N19/85 , H04N19/117 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/593 , H04N19/82
摘要： This disclosure relates to techniques for reducing the amount of additional data encoded with a block encoded using intra-predictive coding. Particularly, the techniques provide apparatus and methods of applying a smoothing filter to prediction samples used in intra-predictive coding. For example, in fixed mode-dependent intra- predictive coding, a video encoder may determine the type of smoothing filter applied to prediction samples based on block size and intra-prediction mode combination associated with the current block, where the combination is used to look up a filter in a first filter table. In adaptive mode-dependent intra-predictive coding, the encoder uses two filters, one from the first filter table and another from a second filter table, applies both filters, and determines which yields better results. When the second filter table filter yields better results, the encoder encodes a filtering indication. When a filter from the first filter table is used, no filtering indication is encoded.
摘要翻译：本公开涉及用于减少使用内部预测编码编码的块编码的附加数据的量的技术。特别地，这些技术提供了将平滑滤波器应用于在帧内预测编码中使用的预测样本的装置和方法。例如，在固定模式相关的帧内预测编码中，视频编码器可以基于与当前块相关联的块大小和帧内预测模式组合来确定应用于预测样本的平滑滤波器的类型，其中组合被用于查找在第一个过滤器表中添加一个过滤器。在自适应模式相关的内部预测编码中，编码器使用两个滤波器，一个来自第一个滤波器表，另一个来自第二个滤波器表，两个滤波器都应用两个滤波器，并确定哪个产生更好的结果。当第二滤波器表滤波器产生更好的结果时，编码器对滤波指示进行编码。当使用来自第一滤波器表的滤波器时，不对滤波指示进行编码。

87. 发明申请

WO2012044840A1 VIDEO CODING USING INTRA-PREDICTION 审中-公开
标题翻译：使用INTRA-PREDICTION的视频编码
公开(公告)号：WO2012044840A1
公开(公告)日：2012-04-05
申请号：PCT/US2011/054040
申请日：2011-09-29
申请人： QUALCOMM INCORPORATED , WANG, Xianglin , KARCZEWICZ, Marta , CHIEN, Wei-Jung
发明人： WANG, Xianglin , KARCZEWICZ, Marta , CHIEN, Wei-Jung
IPC分类号： G06T9/00 , H04N7/32
CPC分类号： H04N19/50 , H04N19/11 , H04N19/122 , H04N19/157 , H04N19/176 , H04N19/463 , H04N19/593 , H04N19/61 , H04N19/70
摘要： In general, techniques of this disclosure are related to determining a prediction characteristic associated with a coding unit of video data, wherein determining the prediction characteristic includes determining a prediction type that defines a number of prediction units associated with the coding unit. Techniques of this disclosure may also be related to generating a set of available intra-prediction modes for the coding unit based on the prediction characteristic, selecting an intra-prediction mode from the available intra-prediction modes, and applying one of the available intra-prediction modes to code the coding unit.
摘要翻译：通常，本公开的技术涉及确定与视频数据的编码单元相关联的预测特性，其中确定预测特性包括确定定义与编码单元相关联的预测单元的数量的预测类型。本公开的技术还可以涉及基于预测特性生成用于编码单元的一组可用的帧内预测模式，从可用的帧内预测模式中选择帧内预测模式，以及应用可用的帧内预测模式之一，编码单元的预测模式。

88. 发明申请

WO2011130334A3 VARIABLE LENGTH CODING OF CODED BLOCK PATTERN (CBP) IN VIDEO COMPRESSION 审中-公开
公开(公告)号：WO2011130334A3
公开(公告)日：2011-10-20
申请号：PCT/US2011/032194
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
摘要： This disclosure describes techniques for coding video data. As one example, this disclosure describes a coded block pattern (CBP) for a coding unit (CU) of video data that indicates whether or not each of a luminance component (Y), a first chrominance component (U), and a second chrominance component (V) include at least one non-zero coefficient. According to another example, this disclosure describes a CBP that indicates whether respective blocks of a CU include at least on non-zero coefficient. The CBP described herein may be mapped to a single variable length code (VLC) code word. The VLC code word may be used by a coder to code the CU of video data.

89. 发明申请

WO2013002895A1 TRANSITION BETWEEN RUN AND LEVEL CODING MODES 审中-公开
标题翻译：运行和电平编码模式之间的过渡
公开(公告)号：WO2013002895A1
公开(公告)日：2013-01-03
申请号：PCT/US2012/037291
申请日：2012-05-10
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , GUO, Liwei , WANG, Xianglin
发明人： KARCZEWICZ, Marta , GUO, Liwei , WANG, Xianglin
IPC分类号： H04N7/26 , H04N7/50
CPC分类号： H04N19/18 , H04N19/103 , H04N19/13 , H04N19/14 , H04N19/46 , H04N19/61 , H04N19/70
摘要： This disclosure describes techniques for coding transform coefficients for a block of video data. According to some aspects of this disclosure, a video coder (e.g., encoder, decoder) may code a first coefficient of a leaf-level unit of video data using a run encoding mode. The coder may code a second coefficient of the leaf-level unit of video data using a level encoding mode. After coding at least one coefficient using the level coding mode, the coder may use the run coding mode to code a third other coefficient of the leaf-level unit of video data. According to other aspects, an encoder may signal, to a decoder, at least one indication of a transition between level and run coding modes. According to still other aspects, a coder may automatically determine when to transition between the level and run coding modes.
摘要翻译：本公开描述了用于编码视频数据块的变换系数的技术。根据本公开的一些方面，视频编码器（例如，编码器，解码器）可以使用运行编码模式来编码视频数据的叶级单元的第一系数。编码器可以使用电平编码模式来编码视频数据的叶级单元的第二系数。在使用电平编码模式编码至少一个系数之后，编码器可以使用运行编码模式来编码视频数据的叶级单元的第三其他系数。根据其它方面，编码器可以向解码器发送电平和运行编码模式之间的转换的至少一个指示。根据其他方面，编码器可以自动确定何时在电平和运行编码模式之间转换。

90. 发明申请

WO2012178053A1 QUANTIZATION PARAMETER PREDICTION IN VIDEO CODING 审中-公开
标题翻译：量化参数在视频编码中的预测
公开(公告)号：WO2012178053A1
公开(公告)日：2012-12-27
申请号：PCT/US2012/043807
申请日：2012-06-22
申请人： QUALCOMM INCORPORATED , COBAN, Muhammed Zeyd , KARCZEWICZ, Marta , CHONG, In Suk , WANG, Xianglin
发明人： COBAN, Muhammed Zeyd , KARCZEWICZ, Marta , CHONG, In Suk , WANG, Xianglin
IPC分类号： H04N7/26 , H04N7/50
CPC分类号： H04N19/196 , H04N19/105 , H04N19/176 , H04N19/428 , H04N19/463 , H04N19/61 , H04N19/90
摘要： In an example, aspects of this disclosure relate to a method of coding video data that includes identifying a plurality of quantization parameter (QP) values associated with a plurality of reference blocks of video data. The method also includes generating a reference QP for the plurality of reference blocks based on the plurality of QPs. The method also includes storing the reference QP, and coding a block of video data based on the stored reference QP.
摘要翻译：在一个示例中，本公开的方面涉及对包括识别与多个视频数据的参考块相关联的多个量化参数（QP）值的视频数据的编码方法。该方法还包括基于多个QP为多个参考块生成参考QP。该方法还包括存储参考QP，并且基于存储的参考QP对视频数据块进行编码。

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