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1. 发明授权

US09654776B2 Adaptive transform size selection for geometric motion partitioning 有权
公开(公告)号：US09654776B2
公开(公告)日：2017-05-16
申请号：US13013706
申请日：2011-01-25
申请人： Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N19/119 , H04N19/52 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/537 , H04N19/543
CPC分类号： H04N19/615 , H04N19/119 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/537 , H04N19/543 , H04N19/66
摘要： In one example, an apparatus includes a video encoder configured to partition a block of video data into a first geometric partition and a second geometric partition using a geometric motion partition line, wherein the block comprises N×N pixels, divide the block of video data into four equally-sized, non-overlapping (N/2)×(N/2) sub-blocks, and encode at least one of the sub-blocks through which the geometric motion partition line passes using a transform size smaller than (N/2)×(N/2). The video encoder may determine transform sizes for the sub-blocks based on whether the geometric motion partition line passes through the sub-blocks. In one example, a video decoder may inverse transform the sub-blocks, and may determine transform sizes for the sub-blocks based on whether the geometric motion partition line passes through the sub-blocks.

2. 发明申请

US20120027089A1 CODING MOTION VECTORS IN VIDEO CODING 有权
标题翻译：编码运动矢量在视频编码
公开(公告)号：US20120027089A1
公开(公告)日：2012-02-02
申请号：US13179427
申请日：2011-07-08
申请人： Wei-Jung Chien , Marta Karczewicz , Peisong Chen , Xianglin Wang
发明人： Wei-Jung Chien , Marta Karczewicz , Peisong Chen , Xianglin Wang
IPC分类号： H04N7/32
CPC分类号： H04N19/52 , H04N19/109 , H04N19/114 , H04N19/115 , H04N19/13 , H04N19/159 , H04N19/162 , H04N19/174 , H04N19/176 , H04N19/177 , H04N19/196 , H04N19/46 , H04N19/463 , H04N19/573 , H04N19/577 , H04N19/61 , H04N19/70 , H04N19/91
摘要： This disclosure relates to techniques for reducing a cost of coding prediction information in video coding. Video blocks in a generalized P/B (GPB) frame are encoded using up to two motion vectors calculated from reference pictures in two separate reference picture lists that are identical. Video blocks of a GPB frame may, therefore, be encoded using a bidirectional prediction mode with a first motion vector from a reference picture in a first reference picture list and a second motion vector from the same or substantially similar reference picture in a second reference picture list. The techniques include jointly coding the first and second motion vectors for a video block of a GPB frame. The techniques include coding the first motion vector relative to a first motion predictor generated from a motion vector of a neighboring block, and coding the second motion vector relative to the first motion vector.
摘要翻译：本公开涉及用于降低视频编码中的预测信息编码成本的技术。广义P / B（GPB）帧中的视频块使用相同的两个单独参考图片列表中的参考图片计算的最多两个运动矢量进行编码。因此，可以使用具有来自第一参考图像列表中的参考图像的第一运动矢量和来自第二参考图像中相同或基本相似的参考图像的第二运动矢量的双向预测模式来编码GPB帧的视频块列表。这些技术包括联合编码GPB帧的视频块的第一和第二运动矢量。所述技术包括相对于从相邻块的运动矢量生成的第一运动预测器对第一运动矢量进行编码，以及相对于第一运动矢量对第二运动矢量进行编码。

3. 发明授权

US09848197B2 Transforms in video coding 有权
公开(公告)号：US09848197B2
公开(公告)日：2017-12-19
申请号：US13414232
申请日：2012-03-07
申请人： Ying Chen , Liwei Guo , Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Ying Chen , Liwei Guo , Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N19/122 , H04N19/186 , H04N19/176 , H04N19/96
CPC分类号： H04N19/186 , H04N19/122 , H04N19/176 , H04N19/96
摘要： Aspects of this disclosure relate to a method of coding video data. In an example, the method includes determining a first residual quadtree (RQT) depth at which to apply a first transform to luma information associated with a block of video data, wherein the RQT represents a manner in which transforms are applied to luma information and chroma information. The method also includes determining a second RQT depth at which to apply a second transform to the chroma information associated with the block of video data, wherein the second RQT depth is different than the first RQT depth. The method also includes coding the luma information at the first RQT depth and the chroma information at the second RQT depth.

4. 发明授权

US09020030B2 Smoothing overlapped regions resulting from geometric motion partitioning 有权
标题翻译：平滑几何运动分割产生的重叠区域
公开(公告)号：US09020030B2
公开(公告)日：2015-04-28
申请号：US13013687
申请日：2011-01-25
申请人： Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04B1/66 , H04N19/119 , H04N19/52 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/537 , H04N19/543 , H04N5/225
CPC分类号： H04N19/615 , H04N19/119 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/537 , H04N19/543 , H04N19/66
摘要： In one example, an apparatus includes a video encoder configured to partition a block of video data into a first partition and a second partition using a geometric motion partition line, calculate a prediction value of a pixel in a transition region of the block using a filter that applies a value for at least one neighboring pixel from the first partition and a value for at least one neighboring pixel from the second partition, calculate a residual value of the pixel in the transition region of the block based on the prediction value of the pixel in the transition region, and output the residual value of the pixel. In one example, a video decoder may use a similar filter to decode an the encoded block after receiving the residual value for the encoded block, and using a definition of the geometric motion partition line.
摘要翻译：在一个示例中，一种装置包括视频编码器，其被配置为使用几何运动分割线将视频数据块分割成第一分区和第二分区，使用滤波器计算块的过渡区域中的像素的预测值其对来自第一分区的至少一个相邻像素应用值，并且从第二分区施加至少一个相邻像素的值，基于像素的预测值计算块的过渡区域中的像素的残留值并且输出像素的残留值。在一个示例中，视频解码器可以在接收到编码块的残余值之后使用类似的滤波器对编码块进行解码，并且使用几何运动分割线的定义。

5. 发明授权

US08665959B2 Block and partition signaling techniques for video coding 有权
标题翻译：用于视频编码的块和分区信令技术
公开(公告)号：US08665959B2
公开(公告)日：2014-03-04
申请号：US12979876
申请日：2010-12-28
申请人： Peisong Chen , Marta Karczewicz , Wei-Jung Chien , Xianglin Wang
发明人： Peisong Chen , Marta Karczewicz , Wei-Jung Chien , Xianglin Wang
IPC分类号： H04N7/12
CPC分类号： H04N19/46 , H04N19/105 , H04N19/70
摘要： A video block syntax element indicates whether all of the partitions of a video block are predicted based on a same reference list and no greater than quarter-pixel accuracy is used. If the video block syntax element is set, partition-level signaling of the reference lists is avoided. If the video block syntax element is not set, partition-level signaling of the reference lists occurs. If the video block syntax element is set, partition-level syntax elements may be used for each of the partitions of the video block, wherein the partition-level syntax elements each identify one of the reference lists and motion vector accuracy for a given one of the partitions.
摘要翻译：视频块语法元素指示基于相同的参考列表来预测视频块的所有分区，并且使用不大于四分之一像素的精度。如果设置了视频块语法元素，则避免了引用列表的分区级信令。如果未设置视频块语法元素，则发生引用列表的分区级信令。如果设置了视频块语法元素，则可以对视频块的每个分区使用分区级语法元素，其中分区级语法元素各自识别参考列表中的一个和运动矢量精度分区。

6. 发明申请

US20120314767A1 BORDER PIXEL PADDING FOR INTRA PREDICTION IN VIDEO CODING 审中-公开
标题翻译：用于视频编码的内部预测的边界像素包装
公开(公告)号：US20120314767A1
公开(公告)日：2012-12-13
申请号：US13493640
申请日：2012-06-11
申请人： Xianglin Wang , Wei-Jung Chien , Marta Karczewicz , Ying Chen , Peisong Chen
发明人： Xianglin Wang , Wei-Jung Chien , Marta Karczewicz , Ying Chen , Peisong Chen
IPC分类号： H04N7/32
CPC分类号： H04N19/182 , H04N19/105 , H04N19/593 , H04N19/61
摘要： A video coder performs a padding operation that processes a set of border pixels according to an order. The order starts at a bottom-left border pixel and proceeds through the border pixels sequentially to a top-right border pixel. When the padding operation processes an unavailable border pixel, the padding operation predicts a value of the unavailable border pixel based on a value of a border pixel previously processed by the padding operation. The video coder may generate an intra-predicted video block based on the border pixels.
摘要翻译：视频编码器根据顺序执行处理一组边框像素的填充操作。该顺序从左下角的边框像素开始，并且顺序通过边框像素顺序到右上边框像素。当填补操作处理不可用边界像素时，填充操作基于先前由填充操作处理的边界像素的值来预测不可用边框像素的值。视频编码器可以基于边界像素生成帧内预测视频块。

7. 发明申请

US20120230421A1 TRANSFORMS IN VIDEO CODING 有权
标题翻译：视频编码中的变换
公开(公告)号：US20120230421A1
公开(公告)日：2012-09-13
申请号：US13414232
申请日：2012-03-07
申请人： Ying Chen , Liwei Guo , Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Ying Chen , Liwei Guo , Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N7/30
CPC分类号： H04N19/186 , H04N19/122 , H04N19/176 , H04N19/96
摘要： Aspects of this disclosure relate to a method of coding video data. In an example, the method includes determining a first residual quadtree (RQT) depth at which to apply a first transform to luma information associated with a block of video data, wherein the RQT represents a manner in which transforms are applied to luma information and chroma information. The method also includes determining a second RQT depth at which to apply a second transform to the chroma information associated with the block of video data, wherein the second RQT depth is different than the first RQT depth. The method also includes coding the luma information at the first RQT depth and the chroma information at the second RQT depth.
摘要翻译：本公开的方面涉及对视频数据进行编码的方法。在一个示例中，该方法包括确定将第一变换应用于与视频数据块相关联的亮度信息的第一残余四叉树（RQT）深度，其中RQT表示将变换应用于亮度信息和色度的方式信息。该方法还包括确定将第二变换应用于与视频数据块相关联的色度信息的第二RQT深度，其中第二RQT深度不同于第一RQT深度。该方法还包括以第一RQT深度编码亮度信息和在第二RQT深度对色度信息进行编码。

8. 发明申请

US20110200110A1 SMOOTHING OVERLAPPED REGIONS RESULTING FROM GEOMETRIC MOTION PARTITIONING 有权
标题翻译：根据几何运动分类得出的平滑覆盖区域
公开(公告)号：US20110200110A1
公开(公告)日：2011-08-18
申请号：US13013687
申请日：2011-01-25
申请人： Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N7/32
CPC分类号： H04N19/615 , H04N19/119 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/537 , H04N19/543 , H04N19/66
摘要： In one example, an apparatus includes a video encoder configured to partition a block of video data into a first partition and a second partition using a geometric motion partition line, calculate a prediction value of a pixel in a transition region of the block using a filter that applies a value for at least one neighboring pixel from the first partition and a value for at least one neighboring pixel from the second partition, calculate a residual value of the pixel in the transition region of the block based on the prediction value of the pixel in the transition region, and output the residual value of the pixel. In one example, a video decoder may use a similar filter to decode an the encoded block after receiving the residual value for the encoded block, and using a definition of the geometric motion partition line.
摘要翻译：在一个示例中，一种装置包括视频编码器，其被配置为使用几何运动分割线将视频数据块分割成第一分区和第二分区，使用滤波器计算块的过渡区域中的像素的预测值其对来自第一分区的至少一个相邻像素应用值，并且从第二分区施加至少一个相邻像素的值，基于像素的预测值计算块的过渡区域中的像素的残留值并且输出像素的残留值。在一个示例中，视频解码器可以在接收到编码块的残余值之后使用类似的滤波器对编码块进行解码，并且使用几何运动分割线的定义。

9. 发明申请

US20110249745A1 BLOCK AND PARTITION SIGNALING TECHNIQUES FOR VIDEO CODING 有权
标题翻译：用于视频编码的块和分割信号技术
公开(公告)号：US20110249745A1
公开(公告)日：2011-10-13
申请号：US12979876
申请日：2010-12-28
申请人： Peisong Chen , Marta Karczewicz , Wei-Jung Chien , Xianglin Wang
发明人： Peisong Chen , Marta Karczewicz , Wei-Jung Chien , Xianglin Wang
IPC分类号： H04N7/26
CPC分类号： H04N19/46 , H04N19/105 , H04N19/70
摘要： A video block syntax element indicates whether all of the partitions of a video block are predicted based on a same reference list and no greater than quarter-pixel accuracy is used. If the video block syntax element is set, partition-level signaling of the reference lists is avoided. If the video block syntax element is not set, partition-level signaling of the reference lists occurs. If the video block syntax element is set, partition-level syntax elements may be used for each of the partitions of the video block, wherein the partition-level syntax elements each identify one of the reference lists and motion vector accuracy for a given one of the partitions.
摘要翻译：视频块语法元素指示基于相同的参考列表来预测视频块的所有分区，并且使用不大于四分之一像素的精度。如果设置了视频块语法元素，则避免了引用列表的分区级信令。如果未设置视频块语法元素，则发生引用列表的分区级信令。如果设置了视频块语法元素，则可以对视频块的每个分区使用分区级语法元素，其中分区级语法元素各自识别参考列表中的一个和运动矢量精度分区。

10. 发明申请

US20110200111A1 ENCODING MOTION VECTORS FOR GEOMETRIC MOTION PARTITIONING 审中-公开
标题翻译：编码运动矢量进行几何运动分区
公开(公告)号：US20110200111A1
公开(公告)日：2011-08-18
申请号：US13013715
申请日：2011-01-25
申请人： Peisong Chen , Xianglin Wang , Marta Karczewicz
发明人： Peisong Chen , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N7/28
CPC分类号： H04N19/615 , H04N19/119 , H04N19/122 , H04N19/137 , H04N19/17 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/52 , H04N19/537 , H04N19/543 , H04N19/66
摘要： In one example, an apparatus includes a video encoder configured to partition a block of video data into a first partition and a second partition using a geometric motion partition line, determine a first motion vector for the first partition and a second motion vector for the second partition, encode the first motion vector based on a first motion predictor selected from motion vectors for blocks neighboring the first partition, encode the second motion vector based on a second motion predictor selected from motion vectors for blocks neighboring the second partition, wherein the blocks neighboring the second partition are determined independently of the blocks neighboring the first partition, and output the encoded first and second motion vectors. A video decoder may similarly decode the motion vectors based on determining the first and second motion predictors for the first and second partitions.
摘要翻译：在一个示例中，一种装置包括视频编码器，其被配置为使用几何运动分割线将视频数据块分割成第一分区和第二分区，确定第一分区的第一运动矢量和第二分区的第二运动矢量基于从与第一分区相邻的块的运动矢量中选择的第一运动预测器对第一运动矢量进行编码，基于从邻近于第二分区的块的运动矢量中选择的第二运动预测器对第二运动矢量进行编码，其中块相邻独立于与第一分区相邻的块独立地确定第二分区，并输出编码的第一和第二运动矢量。视频解码器可以基于确定第一和第二分区的第一和第二运动预测器来类似地解码运动矢量。

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