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    • 11. 发明申请
    • METHOD AND APPARATUS FOR SCALABLE VIDEO ENCODING AND DECODING
    • 用于可扩展视频编码和解码的方法和装置
    • WO2007047077A2
    • 2007-04-26
    • PCT/US2006038380
    • 2006-10-03
    • THOMSON LICENSINGYIN PENGBOYCE JILL MACDONALDPANDIT PURVIN BIBHAS
    • YIN PENGBOYCE JILL MACDONALDPANDIT PURVIN BIBHAS
    • H04N19/895H04N19/129H04N19/132H04N19/17H04N19/174H04N19/37H04N19/46H04N19/61H04N19/70
    • An encoder, a decoder, corresponding encoding and decoding methods, video signal structure, and storage media are provided for scalable video encoding and decoding. A scalable video encoder includes an encoder (100) for encoding a picture to form a base layer bitstream and an enhancement layer bitstream. The base layer bitstream and the enhancement layer bitstream are formed by partitioning the picture into a plurality of image blocks, grouping the plurality of image blocks into one or more slice groups in the base layer bitstream and into two or more slice groups in the enhancement layer bitstream, encoding all of the one or more slice groups in the base layer bitstream and less than all of the two or more slice groups in the enhancement layer such that at least one slice group from among the two or more slice groups is intentionally un-encoded in the enhancement layer bitstream, encoding a syntax element in a header to indicate the at least one intentionally un-encoded slice group in the enhancement layer.
    • 提供编码器,解码器,对应的编码和解码方法,视频信号结构和存储介质,用于可伸缩视频编码和解码。 可分级视频编码器包括用于编码图像以形成基本层比特流和增强层比特流的编码器(100)。 通过将图像分割成多个图像块来形成基本层比特流和增强层比特流,将多个图像块分组成基本层比特流中的一个或多个切片组,并将该多个图像块分组成增强层中的两个或更多个切片组 比特流,编码所述基本层比特流中的所述一个或多个切片组,并且小于所述增强层中的所述两个或更多个切片组中的全部,使得来自所述两个或更多个切片组中的至少一个切片组被有意地取消, 在增强层比特流中编码,对头部中的语法元素进行编码,以指示增强层中的至少一个有意未编码的切片组。