| 发明名称 |
Compression method using irreducible context-dependent grammar and context dependent arithmetic coding |
| 摘要 |
<p>A method of lossless data compression is provided which uses a grammar transform to sequentially construct a sequence of greedy context-dependent grammars from an original data sequence and an adaptive context-dependent arithmetic coding.</p> |
| 申请公布号 |
EP2369747(A9) |
申请公布日期 |
2011.11.23 |
| 申请号 |
EP20110157500 |
申请日期 |
2003.07.11 |
| 申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
YANG, EN-HUI;HE, DAKE |
| 分类号 |
H03M7/30;H03M7/40 |
主分类号 |
H03M7/30 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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