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    • 3. 发明申请
    • CODING OF DEPTH SIGNAL
    • 深度信号编码
    • WO2009131703A2
    • 2009-10-29
    • PCT/US2009002539
    • 2009-04-24
    • THOMSON LICENSINGPANDIT PURVIN BIBHASYIN PENGTIAN DONG
    • PANDIT PURVIN BIBHASYIN PENGTIAN DONG
    • G06T7/20
    • H04N19/00G06T9/001H04N19/17H04N19/176H04N19/23H04N19/543
    • Various implementations are described. Several implementations relate to determining, providing, or using a depth value representative of an entire coding partition. According to a general aspect, a first portion of an image is encoded using a first-portion motion vector that is associated with the first portion and is not associated with other portions of the image. The first portion has a first size. A first-portion depth value is determined that provides depth information for the entire first portion and not for other portions. A second portion of an image is encoded using a second-portion motion vector that is associated with the second portion and is not associated with other portions of the image. The second portion has a second size that is different from the first size. A second-portion depth value is determined that provides depth information for the entire second portion and not for other portions.
    • 描述各种实施方式。 几个实现涉及确定,提供或使用代表整个编码分区的深度值。 根据一般方面,使用与第一部分相关联并且不与图像的其他部分相关联的第一部分运动矢量对图像的第一部分进行编码。 第一部分具有第一个大小。 确定第一部分深度值,其为整个第一部分提供深度信息,而不为其他部分提供深度信息。 使用与第二部分相关联并且不与图像的其他部分相关联的第二部分运动矢量对图像的第二部分进行编码。 第二部分具有与第一尺寸不同的第二尺寸。 确定提供整个第二部分的深度信息而不是其它部分的第二部分深度值。
    • 9. 发明申请
    • HYPOTHETICAL REFERENCE DECODER FOR SCALABLE VIDEO CODING
    • 可缩放视频编码的反向参考解码器
    • WO2008085433A3
    • 2008-09-12
    • PCT/US2007026240
    • 2007-12-21
    • THOMSON LICENSINGZHU LIHUALUO JIANCONGYIN PENGGOMILA CHRISTINA
    • ZHU LIHUALUO JIANCONGYIN PENGGOMILA CHRISTINA
    • H04N19/42H04N19/30
    • H04N19/36H04N19/30H04N19/31H04N19/61H04N19/70
    • The present principles relate to a hypothetical reference decoder (HRD) for a Scalable Video Coding extension for a compression algorithm. One such implementation proposes to modify the H.264/AVC HRD for use with the SVC of AVC. That implementation defines HRD constraints for each interoperability point of SVC. One implementation in particular is described, but other implementations are possible and are contemplated by the present principles. The changes for spatial, temporal, and SNR scalability are shown. There are also changes to the related HRD parameters followed that are shown. The several mentioned implementations provide rules for an HRD for SVC. At least one implementation proposes the SVC-HRD rules as modifications to the AVC-HRD rules. A user may use the proposed SVC-HRD rules to build an SVC-HRD and test a bitstream for SVC compliance.
    • 本原理涉及用于压缩算法的可伸缩视频编码扩展的假设参考解码器(HRD)。 一种这样的实现方案提出修改用于AVC的SVC的H.264 / AVC HRD。 该实现为SVC的每个互操作性点定义了HRD约束。 具体描述了一个实施方式,但是其他实施方式是可能的并且由本原理构思。 显示了空间,时间和SNR可伸缩性的变化。 显示随后的相关HRD参数的变化。 这几个提到的实现为SVC的HRD提供了规则。 至少有一个实施方案提出将SVC-HRD规则作为对AVC-HRD规则的修改。 用户可以使用提出的SVC-HRD规则来构建SVC-HRD并测试比特流以符合SVC。