发明授权
- 专利标题： Digital format compression and decompression in which information representing a physical quantity is accompanied by predictable data
- 专利标题（中）： 数字格式压缩和解压缩，其中表示物理量的信息伴随着可预测的数据
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申请号： US09436990申请日： 1999-11-09
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公开(公告)号： US06876814B1公开(公告)日： 2005-04-05
- 发明人: Claude Le Dantec
- 申请人： Claude Le Dantec
- 申请人地址： JP Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Fitzpatrick, Cella, Harper & Scinto
- 优先权： FR9814149 19981110
- 主分类号： H04L12/40
- IPC分类号： H04L12/40 ; H04L12/64 ; H04N7/24 ; H04N7/50 ; H04N7/52 ; H04N7/26 ; H04N5/85
摘要：
A compression method adapts a digital format in which information representing a physical quantity is accompanied by predictable data having a value independent of that of the information representing a physical quantity. The method includes an operation of reducing the number of the predictable data, the data and information representing a physical quantity resulting from this reduction operation being able to allow the reconstitution of predictable data accompanying the information representing a physical quantity, in accordance with the digital format. Preferentially, the reduction operation includes a step of removing the predictable data, and a step of inserting substitution data, having a number less than the number of data removed during the removal step.