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    • 67. 发明授权
    • Method and apparatus for encoding and decoding image by using large transformation unit
    • 通过使用大变换单元对图像进行编码和解码的方法和装置
    • US08971650B2
    • 2015-03-03
    • US14299155
    • 2014-06-09
    • Samsung Electronics Co., Ltd.
    • Tammy LeeWoo-jin HanJianle ChenHae-kyung Jung
    • G06K9/36G06T9/00H04N19/119H04N19/122H04N19/176H04N19/61H04N19/107H04N19/70H04N19/96
    • H04N19/625G06T9/00H04N19/107H04N19/119H04N19/122H04N19/169H04N19/176H04N19/61H04N19/70H04N19/96
    • An image decoding method including determining coding units having a hierarchical structure for decoding an image using split information of a coding unit, determining at least one prediction unit for predicting a coding unit among the coding units using information about a partition type, and determining at least one transformation unit for inversely transforming the coding unit using information about a depth of the at least one transformation unit, wherein the split information of a coding unit, the information about a partition type and the information about a depth of the at least one transformation unit are parsed from a bitstream, parsing from the bitstream transformation coefficients generated by transformation according to the at least one transformation unit generated by dividing the coding unit, and reconstructing residual of the at least one transformation unit by performing inverse quantization, and inverse transformation on the parsed transformation coefficients, and performing intra prediction or inter prediction on the prediction unit to generate a predictor, and reconstructing the image based on the residual and the predictor.
    • 一种图像解码方法,包括确定具有用于使用编码单元的分割信息对图像进行解码的分层结构的编码单元,使用关于分割类型的信息确定用于预测编码单元中的编码单位的至少一个预测单元,以及至少确定 一个变换单元,用于使用关于所述至少一个变换单元的深度的信息对所述编码单元进行逆变换,其中编码单元的分割信息,关于分区类型的信息以及关于所述至少一个变换单元的深度的信息 从比特流解析,根据通过对编码单位进行分割而生成的至少一个变换单位的变换生成的比特变换系数进行解析,并且通过执行逆量化来重构至少一个变换单元的残差,以及对 解析变换系数,和perf 在所述预测单元上建立帧内预测或帧间预测以生成预测器,以及基于所述残差和所述预测器来重构所述图像。