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    • 74. 发明申请
    • Method and Apparatus for Weighted Prediction for Scalable Video Coding
    • 用于可缩放视频编码的加权预测的方法和装置
    • US20090207919A1
    • 2009-08-20
    • US11988697
    • 2006-05-19
    • Peng YinJill MacDonald BoycePurvin Bibhas Pandit
    • Peng YinJill MacDonald BoycePurvin Bibhas Pandit
    • H04N7/26
    • H04N19/615H04N19/13H04N19/31H04N19/33H04N19/36H04N19/51H04N19/577H04N19/61H04N19/63H04N19/70
    • There are provided scalable video encoder and decoders, and corresponding scalable video encoding and decoding methods. A scalable video encoder includes an encoder for encoding a block in an enhancement layer of a picture by applying a same weighting parameter to an enhancement layer reference picture as that applied to a lower layer reference picture used for encoding a block in a lower layer of the picture. The block in the enhancement layer corresponds to the block in the lower layer, and the enhancement layer reference picture corresponds to the lower layer reference picture. The scalable video decoder includes a decoder for decoding a block in an enhancement layer of a picture by applying a same weighting parameter to an enhancement layer reference picture as that applied to a lower layer reference picture used for decoding a block in a lower layer of the picture. The block in the enhancement layer corresponds to the block in the lower layer, and the enhancement layer reference picture corresponds to the lower layer reference picture.
    • 提供了可扩展的视频编码器和解码器,以及相应的可扩展视频编码和解码方法。 可分级视频编码器包括编码器,用于通过将相同的加权参数应用于增强层参考图像来对图像的增强层进行编码,该编码器应用于用于编码下层中的块的下层参考图片 图片。 增强层中的块对应于下层中的块,并且增强层参考图片对应于下层参考图片。 可分级视频解码器包括一个解码器,用于通过将相同的加权参数应用于增强层参考图片来解码图像的增强层中的块,该加性参数用于应用于下层参考图像中的块 图片。 增强层中的块对应于下层中的块,并且增强层参考图片对应于下层参考图片。