发明授权
US06345121B1 Image encoding apparatus and an image decoding apparatus 失效
图像编码装置和图像解码装置

  • 专利标题: Image encoding apparatus and an image decoding apparatus
  • 专利标题(中): 图像编码装置和图像解码装置
  • 申请号: US09091922
    申请日: 1998-06-25
  • 公开(公告)号: US06345121B1
    公开(公告)日: 2002-02-05
  • 发明人: Taisuke Matsumoto
  • 申请人: Taisuke Matsumoto
  • 优先权: JP8-294737 19961107
  • 主分类号: G06K936
  • IPC分类号: G06K936
Image encoding apparatus and an image decoding apparatus
摘要:
The mode data of a block to be coded is predicted from the mode data of peripheral blocks already coded, and coded using a code word table switched according to a hitting ratio of prediction. In the code word table, the code word length is set shorter for coding modes with high hitting ratio.
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