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公开(公告)号:US06345121B1
公开(公告)日:2002-02-05
申请号:US09091922
申请日:1998-06-25
申请人: Taisuke Matsumoto
发明人: Taisuke Matsumoto
IPC分类号: G06K936
CPC分类号: H04N19/157 , H04N19/13 , H04N19/176 , H04N19/196 , H04N19/46 , H04N19/463 , H04N19/593 , H04N19/60 , H04N19/91
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.
摘要翻译: 根据已经编码的外围块的模式数据预测要编码的块的模式数据,并且使用根据预测的击打比切换的码字表进行编码。 在码字表中,对于具有高击打比的编码模式,码字长度被设置得较短。