Picture coding method and picture decoding method
    40.
    发明授权
    Picture coding method and picture decoding method 有权
    图像编码方法和图像解码方法

    公开(公告)号:US08081678B2

    公开(公告)日:2011-12-20

    申请号:US10546409

    申请日:2004-02-18

    摘要: The picture coding method of the present invention is a picture coding method for coding a picture on a block-by-block basis, comprising: a selection step of selecting one of at least two sizes as a size of a block on which orthogonal transformation should be performed; a transformation step of performing orthogonal transformation on a block having the selected size; a coding step of coding data of said block obtained in the transformation step; and a generation step of generating a coded stream that includes the coded data of the block and size information concerning the size selected in the selection step, wherein the size information indicates whether or not the size is a fixed block size within a predetermined section in the coded stream, and the predetermined section is one of a sequence, a group of pictures, a picture, a slice, and a macroblock.

    摘要翻译: 本发明的图像编码方法是用于逐块地对图像进行编码的图像编码方法,包括:选择步骤,将至少两个尺寸中的一个选择为正交变换的块的大小 被执行 对具有所选择的大小的块执行正交变换的变换步骤; 对在所述变换步骤中获得的所述块的数据进行编码的编码步骤; 以及生成步骤,生成包括所述块的编码数据和与所述选择步骤中选择的尺寸有关的尺寸信息的编码流,其中,所述尺寸信息指示所述尺寸是否是所述尺寸在所述选择步骤中的预定部分内的固定块尺寸 编码流,并且预定部分是序列,一组图片,图片,切片和宏块之一。