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    • 32. 发明申请
    • SLICE HEADER PREDICTION FOR DEPTH MAPS IN THREE-DIMENSIONAL VIDEO CODECS
    • 三维视频编解码器中的深度编码的码头预测
    • US20130022113A1
    • 2013-01-24
    • US13553617
    • 2012-07-19
    • Ying ChenMarta Karczewicz
    • Ying ChenMarta Karczewicz
    • H04N7/32
    • H04N19/44H04N19/172H04N19/174H04N19/46H04N19/597H04N19/61H04N19/70
    • In one example, a video coder is configured to code a first slice, wherein the first slice comprises one of a texture slice and a corresponding depth slice, wherein the first slice has a slice header comprising complete syntax elements representative of characteristics of the first slice. The video coder is further configured to determine common syntax elements for a second slice from the slice header of the first slice. The video coder is also configured to code the second slice after coding the first slice at least partially based on the determined common syntax elements, wherein the second slice comprises one of the texture slice and the depth slice that is not the first slice, wherein the second slice has a slice header comprising syntax elements representative of characteristics of the second slice, excluding values for syntax elements that are common to the first slice.
    • 在一个示例中,视频编码器被配置为对第一切片进行编码,其中第一切片包括纹理切片和对应深度切片中的一个,其中第一切片具有包括代表第一切片特征的完整语法元素的切片首标 。 视频编码器还被配置为从第一切片的切片头部确定第二切片的公共语法元素。 视频编码器还被配置为至少部分地基于所确定的公共语法元素对第一片编码之后对第二片进行编码,其中第二片包括不是第一片的纹理片和深度片之一,其中, 第二切片具有包括表示第二切片的特征的语法元素的切片标题,不包括第一切片共有的语法元素的值。
    • 33. 发明申请
    • SIGNALING PICTURE SIZE IN VIDEO CODING
    • 在视频编码中指示图片大小
    • US20130016769A1
    • 2013-01-17
    • US13550384
    • 2012-07-16
    • Ying ChenMarta KarczewiczYe-Kui Wang
    • Ying ChenMarta KarczewiczYe-Kui Wang
    • H04N7/26
    • H04N19/157H04N19/122H04N19/172H04N19/177H04N19/46H04N19/96
    • A video encoder is configured to determine a picture size for one or more pictures included in a video sequence. The picture size associated with the video sequence may be a multiple of an aligned coding unit size for the video sequence. In one example, the aligned coding unit size for the video sequence may comprise a minimum coding unit size where the minimum coding unit size is selected from a plurality of smallest coding unit sizes corresponding to different pictures in the video sequence. A video decoder is configured to obtain syntax elements to determine the picture size and the aligned coding unit size for the video sequence. The video decoder decodes the pictures included in the video sequence with the picture size, and stores the decoded pictures in a decoded picture buffer.
    • 视频编码器被配置为确定视频序列中包括的一个或多个图像的图像尺寸。 与视频序列相关联的图像大小可以是视频序列的对齐编码单元大小的倍数。 在一个示例中,用于视频序列的对齐编码单元大小可以包括最小编码单元大小,其中从与视频序列中的不同图片对应的多个最小编码单元尺寸中选择最小编码单元大小。 视频解码器被配置为获得用于确定视频序列的图像大小和对齐的编码单元大小的语法元素。 视频解码器以图像大小对包括在视频序列中的图像进行解码,并将解码的图像存储在解码图像缓冲器中。
    • 35. 发明申请
    • MOTION VECTOR PREDICTION IN VIDEO CODING
    • 运动矢量预测在视频编码
    • US20120269270A1
    • 2012-10-25
    • US13451161
    • 2012-04-19
    • Ying ChenPeisong ChenMarta Karczewicz
    • Ying ChenPeisong ChenMarta Karczewicz
    • H04N7/32
    • H04N19/513H04N19/105H04N19/147H04N19/176H04N19/46H04N19/52H04N19/597
    • Aspects of this disclosure relate to, in an example, a method that includes identifying a first block of video data in a first temporal location from a first view, wherein the first block is associated with a first disparity motion vector. The method also includes determining a motion vector predictor for a second motion vector associated with a second block of video data, wherein the motion vector predictor is based on the first disparity motion vector. When the second motion vector comprises a disparity motion vector, the method includes determining the motion vector predictor comprises scaling the first disparity motion vector to generate a scaled motion vector predictor, wherein scaling the first disparity motion vector comprises applying a scaling factor comprising a view distance of the second disparity motion vector divided by a view distance of the first motion vector to the first disparity motion vector.
    • 本公开的方面在一个示例中涉及一种包括从第一视图识别第一时间位置中的第一视频数据块的方法,其中第一块与第一视差运动矢量相关联。 该方法还包括确定与第二视频数据块相关联的第二运动矢量的运动矢量预测器,其中运动矢量预测器基于第一视差运动矢量。 当第二运动矢量包括视差运动矢量时,该方法包括确定运动矢量预测器包括缩放第一视差运动矢量以产生缩放的运动矢量预测器,其中缩放第一视差运动矢量包括应用包括视距 的第二视差运动矢量除以第一运动矢量与第一视差运动矢量的视距。
    • 37. 发明申请
    • COMBINED REFERENCE PICTURE LIST CONSTRUCTION AND MAPPING
    • 组合参考图片列表结构和映射
    • US20120250773A1
    • 2012-10-04
    • US13361634
    • 2012-01-30
    • Wei-Jung ChienYing ChenMarta Karczewicz
    • Wei-Jung ChienYing ChenMarta Karczewicz
    • H04N7/26
    • H04N19/172H04N19/103H04N19/44H04N19/70
    • The example techniques of this disclosure are directed to default construction techniques for the construction of a combined reference picture list, and default mapping techniques for the combined reference picture list. In some examples, a video coder may construct first and second reference picture lists from frame number values, and construct the combined reference picture list from the frame number values of the first and second reference picture lists. In some examples, a video coder may construct first and second reference picture lists from picture order count (POC) values, and construct the combined reference picture list from the POC values of the first and second reference picture lists. In some examples, a video coder may construct a combined reference picture list from received information for the construction, and map the pictures of the combined reference picture list to one of a first or second reference picture list.
    • 本公开的示例性技术涉及用于构建组合参考图片列表的默认构造技术以及用于组合的参考图片列表的默认映射技术。 在一些示例中,视频编码器可以从帧号值构造第一和第二参考图片列表,并且从第一和第二参考图片列表的帧号码构建组合的参考图片列表。 在一些示例中,视频编码器可以从图像顺序计数(POC)值构建第一和第二参考图片列表,并且从第一和第二参考图片列表的POC值构建组合的参考图片列表。 在一些示例中,视频编码器可以从用于构造的接收信息构建组合的参考图片列表,并将组合的参考图片列表的图片映射到第一或第二参考图片列表中的一个。
    • 40. 发明申请
    • REFERENCE PICTURE LIST CONSTRUCTION FOR GENERALIZED P/B FRAMES IN VIDEO CODING
    • 视频编码中普通P / B框架的参考图片列表结构
    • US20120121017A1
    • 2012-05-17
    • US13274972
    • 2011-10-17
    • Ying ChenWei-Jung ChienMarta Karczewicz
    • Ying ChenWei-Jung ChienMarta Karczewicz
    • H04N7/32
    • H04N19/174H04N19/109H04N19/159H04N19/46H04N19/61H04N19/70
    • This disclosure relates to techniques for indicating that a video frame is coded as a generalized P/B (GPB) frame in order to reduce a cost of coding and constructing a second reference picture list in video coding. For a GPB frame, which has identical reference picture lists, signaling and constructing both the first and second reference picture lists may be redundant. The techniques of this disclosure may include coding syntax elements indicating that the video frame is coded as the GPB frame, and coding syntax elements indicating a number of reference pictures and reference picture list construction commands for only a first reference picture list. The techniques also include constructing the first reference picture list based on the syntax elements, and then creating the second reference picture list as a duplicate of the first reference picture list.
    • 本公开涉及用于指示视频帧被编码为广义P / B(GPB)帧的技术,以便在视频编码中降低编码成本和构建第二参考图像列表。 对于具有相同参考图片列表的GPB帧,信令和构造第一和第二参考图片列表可能是多余的。 本公开的技术可以包括指示视频帧被编码为GPB帧的语法元素的编码,以及仅指示第一参考图片列表的指示参考图片的数量和参考图片列表构造命令的语法元素的编码。 这些技术还包括基于语法元素构建第一参考图片列表,然后创建第二参考图片列表作为第一参考图片列表的副本。