Block distortion reduction method and device and encoding method and device
    41.
    发明授权
    Block distortion reduction method and device and encoding method and device 失效
    块失真减少方法及装置编码方法及装置

    公开(公告)号:US06434275B1

    公开(公告)日:2002-08-13

    申请号:US09230465

    申请日:1999-06-07

    IPC分类号: G06K936

    摘要: An apparatus incorporates encoding-degree-of-difficulty detecting means 3 for detecting a parameter indicating an encoding degree of difficulty from supplied image data; parameter calculating means 4 for calculating a parameter required to determine block distortion from supplied image data; block distortion determining means 6 for determining block distortion in accordance with a result of detection of the parameter indicating the encoding degree of difficulty and a result of the calculation for obtaining the parameter; correction-value calculating means 7 for calculating a correction value for reducing block distortion; and means for subjecting supplied image data to a correction using a correction value corresponding to a result of the determination of block distortion so as to produce an output.

    摘要翻译: 一种装置包括难以编码的检测装置3,用于从提供的图像数据中检测指示编码难度的参数; 参数计算装置4,用于从提供的图像数据计算确定块失真所需的参数; 块失真确定装置6,用于根据指示编码难易度的参数的检测结果和用于获得参数的计算结果来确定块失真; 校正值计算装置7,用于计算减小块失真的校正值; 以及用于使用与块失真的确定结果对应的校正值对所提供的图像数据进行校正以产生输出的装置。