APPLYING PARTITION-BASED FILTERS
    4.
    发明申请
    APPLYING PARTITION-BASED FILTERS 有权
    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

    IPC分类号: H04N7/26 H04N7/30

    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。

    ADAPTATION PARAMETER SETS FOR VIDEO CODING
    5.
    发明申请
    ADAPTATION PARAMETER SETS FOR VIDEO CODING 有权
    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

    IPC分类号: H04N7/26

    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。

    FILTER DESCRIPTION SIGNALING FOR MULTI-FILTER ADAPTIVE FILTERING
    6.
    发明申请
    FILTER DESCRIPTION SIGNALING FOR MULTI-FILTER ADAPTIVE FILTERING 有权
    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

    IPC分类号: H04N7/26

    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。

    Loop filtering around slice boundaries or tile boundaries in video coding
    7.
    发明授权
    Loop filtering around slice boundaries or tile boundaries in video coding 有权
    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

    IPC分类号: H04N7/26 H04N19/82

    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。

    MULTI-METRIC FILTERING
    8.
    发明申请
    MULTI-METRIC FILTERING 有权
    多重滤波

    公开(公告)号:US20120213293A1

    公开(公告)日:2012-08-23

    申请号:US13401685

    申请日:2012-02-21

    IPC分类号: H04N7/26

    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 based on a comparison of a subset of the pixels in the block to other pixels in the block; determine a filter based on the first metric; and generate a filtered image by applying the filter to the group of pixels. The subset of pixels can be selected to not include pixels on the boundary of the block of pixels.

    摘要翻译: 视频编码器或视频解码器的滤波器单元可以基于块中的像素的子集与块中的其他像素的比较来确定像素块内的像素组的第一度量; 基于第一个度量确定一个过滤器; 并通过将滤波器应用于像素组来生成滤波图像。 可以选择像素的子集以不包括像素块的边界上的像素。

    Adaptation parameter sets for video coding
    10.
    发明授权
    Adaptation parameter sets for video coding 有权
    适用于视频编码的参数集

    公开(公告)号:US09277228B2

    公开(公告)日:2016-03-01

    申请号:US13548742

    申请日:2012-07-13

    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。