发明名称 |
CONTEXT-BASED ENCODING AND DECODING OF SIGNALS |
摘要 |
A system for the context-based for the context-based encoding of an input signal includes a domain transform module and a context-based coding module. The domain transform module is operable to convert the input signal into a sequence of transform coefficients c[i]. The context-based coding module includes a bit-plane scanning module, and context modeling module, and a statistical encoding module. The bit-plane scanning module is operable to produce a bit-plane symbol bps [i,bp] for each transform coefficient c[i] and each bit-plane [bp]. The context modeling module is operable to assign one or more context values to each of the received bit plane symbols bps [i,bp]. The statistical coding module is operable to code each of the bit plane symbols bps [i,bp] as a function of one or more of the corresponding context values to produce a context-based encoded symbol stream. |
申请公布号 |
EP1774791(A1) |
申请公布日期 |
2007.04.18 |
申请号 |
EP20040749233 |
申请日期 |
2004.07.14 |
申请人 |
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH |
发明人 |
YU, RONGSHAN;LIN, XIAO;RAHARDJA, SUSANTO |
分类号 |
G10L19/00;H04N19/13 |
主分类号 |
G10L19/00 |
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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