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1. 发明申请

US20130044809A1 APPLYING PARTITION-BASED FILTERS 有权
标题翻译：应用基于分区的过滤器
公开(公告)号：US20130044809A1
公开(公告)日：2013-02-21
申请号：US13585657
申请日：2012-08-14
申请人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
发明人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
IPC分类号： H04N7/26 , H04N7/30
CPC分类号： H04N19/649 , H04N19/117 , H04N19/167 , H04N19/182 , H04N19/42 , H04N19/60 , H04N19/647 , H04N19/82 , H04N19/85 , H04N19/86 , H04N19/96
摘要： In general, techniques are described for applying partition-based filters when coding video data. A device comprising at least one processor may be configured to implement the techniques. The processor selects a filter to apply near a boundary of a first portion of the video data and determines at least one of the plurality of filter coefficients of the selected filter for which the video data will not be available to be filtered. Based on the determination, the processor determines a partial filter that does not include the at least one of the plurality of filter coefficients for which the video data will not be available to be filtered. The processor renormalizes the plurality of filter coefficients included within the partial filter and applies the renormalized partial filter near the boundary of the first portion of the video data to generate a filtered first portion of the video data.
摘要翻译：一般来说，描述了在编码视频数据时应用基于分区的滤波器的技术。包括至少一个处理器的设备可以被配置为实现这些技术。处理器选择滤波器以在视频数据的第一部分的边界附近应用，并且确定所选择的滤波器的多个滤波器系数中的至少一个，视频数据将不可用于其被滤波。基于该确定，处理器确定不包括视频数据将不能被滤波的多个滤波器系数中的至少一个的部分滤波器。处理器对包括在部分滤波器内的多个滤波器系数进行重新归一化，并且在视频数据的第一部分的边界附近应用重新归一化的部分滤波器，以生成经过滤波的视频数据的第一部分。

2. 发明授权

US09641866B2 Applying partition-based filters 有权
公开(公告)号：US09641866B2
公开(公告)日：2017-05-02
申请号：US13585657
申请日：2012-08-14
申请人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
发明人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
IPC分类号： H04N7/26 , H04N19/117 , H04N19/60 , H04N19/64 , H04N19/182 , H04N19/82 , H04N19/167 , H04N19/85 , H04N19/86 , H04N19/96 , H04N19/42
CPC分类号： H04N19/649 , H04N19/117 , H04N19/167 , H04N19/182 , H04N19/42 , H04N19/60 , H04N19/647 , H04N19/82 , H04N19/85 , H04N19/86 , H04N19/96
摘要： In general, techniques are described for applying partition-based filters when coding video data. A device comprising at least one processor may be configured to implement the techniques. The processor selects a filter to apply near a boundary of a first portion of the video data and determines at least one of the plurality of filter coefficients of the selected filter for which the video data will not be available to be filtered. Based on the determination, the processor determines a partial filter that does not include the at least one of the plurality of filter coefficients for which the video data will not be available to be filtered. The processor renormalizes the plurality of filter coefficients included within the partial filter and applies the renormalized partial filter near the boundary of the first portion of the video data to generate a filtered first portion of the video data.

3. 发明授权

US09008170B2 Offset type and coefficients signaling method for sample adaptive offset 有权
公开(公告)号：US09008170B2
公开(公告)日：2015-04-14
申请号：US13295776
申请日：2011-11-14
申请人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
发明人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
IPC分类号： H04N19/105 , H04N19/463 , H04N19/117 , H04N19/167 , H04N19/196 , H04N19/70
CPC分类号： H04N19/105 , H04N19/117 , H04N19/14 , H04N19/167 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/70
摘要： This disclosure describes techniques for performing sample adaptive offset signaling and coding in a video coding process. Techniques of the disclosure include both a merge-based and prediction-based signaling process for sample adaptive offset information (i.e., offset values and offset type). The techniques includes determining offset information for a current partition, comparing the offset information of the current partition with offset information of one or more neighbor partitions, coding a merge instruction in the case that the offset information of one of the one or more neighbor partitions is the same as the offset information of the current partition, and coding one of a plurality of prediction instructions in the case that the offset information of the one or more neighbor partitions is not the same as the offset information of the current partition.

4. 发明申请

US20120287988A1 OFFSET TYPE AND COEFFICIENTS SIGNALING METHOD FOR SAMPLE ADAPTIVE OFFSET 有权
标题翻译：偏移类型和系数自适应偏差的信号方法
公开(公告)号：US20120287988A1
公开(公告)日：2012-11-15
申请号：US13295776
申请日：2011-11-14
申请人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
发明人： In Suk Chong , Geert Van der Auwera , Marta Karczewicz
IPC分类号： H04N7/26
CPC分类号： H04N19/105 , H04N19/117 , H04N19/14 , H04N19/167 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/70
摘要： This disclosure describes techniques for performing sample adaptive offset signaling and coding in a video coding process. Techniques of the disclosure include both a merge-based and prediction-based signaling process for sample adaptive offset information (i.e., offset values and offset type). The techniques includes determining offset information for a current partition, comparing the offset information of the current partition with offset information of one or more neighbor partitions, coding a merge instruction in the case that the offset information of one of the one or more neighbor partitions is the same as the offset information of the current partition, and coding one of a plurality of prediction instructions in the case that the offset information of the one or more neighbor partitions is not the same as the offset information of the current partition.
摘要翻译：本公开描述了在视频编码过程中执行采样自适应偏移信令和编码的技术。本公开的技术包括用于样本自适应偏移信息（即，偏移值和偏移类型）的基于合并和基于预测的信令过程。所述技术包括确定当前分区的偏移信息，将当前分区的偏移信息与一个或多个相邻分区的偏移信息进行比较，在一个或多个相邻分区之一的偏移信息为与当前分区的偏移信息相同，并且在一个或多个相邻分区的偏移信息与当前分区的偏移信息不相同的情况下编码多个预测指令之一。

5. 发明授权

US10298939B2 Quantization in video coding 有权
公开(公告)号：US10298939B2
公开(公告)日：2019-05-21
申请号：US13529508
申请日：2012-06-21
申请人： Muhammed Zeyd Coban , Marta Karczewicz , In Suk Chong , Xianglin Wang
发明人： Muhammed Zeyd Coban , Marta Karczewicz , In Suk Chong , Xianglin Wang
IPC分类号： H04N7/40 , H04N7/32 , H04N19/196 , H04N19/105 , H04N19/176 , H04N19/61 , H04N19/463 , H04N19/90 , H04N19/426
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.

6. 发明授权

US09172972B2 Low complexity interpolation filtering with adaptive tap size 有权
标题翻译：具有自适应敲击尺寸的低复杂度插值滤波
公开(公告)号：US09172972B2
公开(公告)日：2015-10-27
申请号：US13342901
申请日：2012-01-03
申请人： In Suk Chong , Liwei Guo , Marta Karczewicz
发明人： In Suk Chong , Liwei Guo , Marta Karczewicz
IPC分类号： H04B1/66 , H04N7/12 , H04N11/02 , H04N11/04 , G06K9/40 , G06K9/00 , H04N19/523 , H04N19/593 , H04N19/52 , H04N19/51 , H04N19/159 , H04N19/184 , H04N19/136 , H04N19/174 , H04N19/59 , H04N19/44 , H04N19/177 , H04N19/587 , H04N19/176 , H04N19/129 , H04N19/179 , H04N19/513 , H04N19/80 , H04N19/169 , H04N19/50 , H04N19/46 , H04N19/134 , H04N19/117 , H04N19/182 , H04N19/433
CPC分类号： H04N19/523 , H04N19/117 , H04N19/129 , H04N19/134 , H04N19/136 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/177 , H04N19/179 , H04N19/182 , H04N19/184 , H04N19/188 , H04N19/433 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/513 , H04N19/52 , H04N19/587 , H04N19/59 , H04N19/593 , H04N19/80
摘要： During a prediction stage of video coding, a video coder may use relatively longer interpolation filters to generate predictive sub-pixel values using values of reference integer pixels of a reference block of video data positioned in parallel relative to a scanning order associated with the block and may use relatively shorter interpolation filters to generate predictive sub-pixel values using values of reference integer pixels of the block positioned perpendicular relative to the scanning order, wherein a longer interpolation filter generally refers to a filter with relatively more filter coefficients, or “taps,” and a shorter filter generally refers to a filter with relatively fewer taps.
摘要翻译：在视频编码的预测阶段期间，视频编码器可以使用相对较长的内插滤波器，以使用相对于与该块相关联的扫描顺序并行定位的视频数据的参考块的参考整数像素的值来生成预测子像素值;以及可以使用相对较短的内插滤波器来使用相对于扫描顺序垂直定位的块的参考整数像素的值来产生预测子像素值，其中较长内插滤波器通常是指具有相对较多滤波器系数的滤波器或“ “而较短的过滤器通常是指具有相对较少抽头的过滤器。

7. 发明授权

US08982960B2 Multi-metric filtering 有权
标题翻译：多度量过滤
公开(公告)号：US08982960B2
公开(公告)日：2015-03-17
申请号：US13401548
申请日：2012-02-21
申请人： In Suk Chong , Marta Karczewicz
发明人： In Suk Chong , Marta Karczewicz
IPC分类号： H04N7/26 , H04N19/14 , H04N19/117 , H04N19/70 , H04N19/176 , H04N19/42 , H04N19/61 , H04N19/85 , H04N19/82 , H04N19/182 , H04N19/46
CPC分类号： H04N19/117 , H04N7/26255 , H04N19/14 , H04N19/176 , H04N19/182 , H04N19/42 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/85 , H04N19/96
摘要： A filter unit of a video encoder or video decoder can determine a first metric for a group of pixels within a block of pixels, determine a second metric for the group of pixels, determine a filter based on the first metric and the second metric, and generate a filtered image by applying the filter to the group of pixels. The first metric and second metric can be an activity metric and a direction metric, respectively, or can be other metrics such as an edge metric, horizontal activity metric, vertical activity metric, or diagonal activity metric.
摘要翻译：视频编码器或视频解码器的滤波器单元可以确定像素块内的像素组的第一度量，确定该组像素的第二度量，基于第一度量和第二度量来确定滤波器，以及通过将滤镜应用于像素组来生成滤波图像。第一度量和第二度量可以分别是活动度量和方向度量，或者可以是其他度量，例如边缘度量，水平活动度量，垂直活动度量或对角活动度量。

8. 发明申请

US20130022104A1 ADAPTATION PARAMETER SETS FOR VIDEO CODING 有权
标题翻译：适应视频编码的参数设置
公开(公告)号：US20130022104A1
公开(公告)日：2013-01-24
申请号：US13548742
申请日：2012-07-13
申请人： Ying Chen , In Suk Chong , Marta Karczewicz
发明人： Ying Chen , In Suk Chong , Marta Karczewicz
IPC分类号： H04N7/26
CPC分类号： H04N19/174 , H04N19/46 , H04N19/61 , H04N19/70
摘要： In one example, a video decoder is configured to store an adaptation parameter set (APS) data structure in a buffer of a coding device, wherein the APS data structure includes signaling data applicable to one or more slices of video data, decode at least one of the slices based on the signaling data of the APS data structure, after decoding the slice, determine that the APS data structure can be removed from the buffer, remove the APS data structure from the buffer based on the determination, and decode one or more additional slices of the video data after removing the APS data structure from the buffer.
摘要翻译：在一个示例中，视频解码器被配置为在编码设备的缓冲器中存储适配参数集（APS）数据结构，其中APS数据结构包括适用于一个或多个视频数据片段的信令数据，解码至少一个基于APS数据结构的信令数据，在解码片之后，确定可以从缓冲器中移除APS数据结构，基于该确定从缓冲器中移除APS数据结构，并解码一个或多个从缓冲区中删除APS数据结构后的视频数据的附加片段。

9. 发明申请

US20120051438A1 FILTER DESCRIPTION SIGNALING FOR MULTI-FILTER ADAPTIVE FILTERING 有权
标题翻译：滤波器自适应滤波的信号滤波
公开(公告)号：US20120051438A1
公开(公告)日：2012-03-01
申请号：US13178415
申请日：2011-07-07
申请人： In Suk Chong , Marta Karczewicz , Wei-Jung Chien
发明人： In Suk Chong , Marta Karczewicz , Wei-Jung Chien
IPC分类号： H04N7/26
CPC分类号： H04N19/85 , H04N19/117 , H04N19/14 , H04N19/176 , H04N19/182 , H04N19/42 , H04N19/46 , H04N19/70 , H04N19/82
摘要： Filtering is applied at an encoder, and filter information describing a set of filters is encoded in the bitstream to enable a decoder to identify the filtering that was applied at the encoder. The decoder receives encoded video data that includes the filter information, decodes the video data, and applies filtering based on the filtering information. The decoder applies the same filtering that was applied at the encoder. To potentially reduce the number of bits needed to reconstruct the set of filters and other filter information as well as to potentially improve decoder performance, filter description syntax describing the set of filters can be included in the bitstream. The filter description syntax may identify a number of filters in a set of filters, a maximum number of filters in a set of filters, and/or identify a shape of filters in a set of filters.
摘要翻译：在编码器处应用滤波，并且在比特流中编码描述一组滤波器的滤波器信息，以使解码器能够识别在编码器处应用的滤波。解码器接收包括滤波器信息的编码视频数据，解码视频数据，并根据滤波信息应用滤波。解码器应用与编码器相同的滤波。为了潜在地减少重建滤波器组和其它滤波器信息所需的位数以及潜在地提高解码器性能，描述滤波器集合的滤波器描述语法可以被包括在比特流中。过滤器描述语法可以标识一组过滤器中的多个过滤器，一组过滤器中的过滤器的最大数量和/或识别一组过滤器中的过滤器的形状。

10. 发明授权

US09462298B2 Loop filtering around slice boundaries or tile boundaries in video coding 有权
标题翻译：在视频编码中围绕切片边界或平铺边界进行循环滤波
公开(公告)号：US09462298B2
公开(公告)日：2016-10-04
申请号：US13598375
申请日：2012-08-29
申请人： In Suk Chong , Xianglin Wang , Marta Karczewicz
发明人： In Suk Chong , Xianglin Wang , Marta Karczewicz
IPC分类号： H04N7/26 , H04N19/82
CPC分类号： H04N19/82 , H04N19/117 , H04N19/167 , H04N19/182 , H04N19/86
摘要： The techniques of this disclosure apply to loop filtering across slice or tile boundaries in a video coding process. In one example, a method for performing loop filtering in a video coding process includes determining that pixels corresponding to filter coefficients of a filter mask for a loop filter are across a slice or tile boundary, removing filter coefficients corresponding to the pixels across the slice or tile boundary from the filter mask, renormalizing the filter mask without the removed filter coefficients, performing loop filtering using the renormalized filter mask.
摘要翻译：本公开的技术适用于跨视频编码过程中的片或片边界的环路滤波。在一个示例中，用于在视频编码处理中执行环路滤波的方法包括：确定与环路滤波器的滤波器滤波器的滤波器系数相对应的像素跨越切片或平铺边界，去除对应于跨越切片的像素的滤波器系数; 来自滤波器掩码的瓦片边界，对没有去除的滤波器系数的滤波器掩码进行重新规范化，使用重新归一化的滤波器掩码执行环路滤波。

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