发明名称 |
Features for retrieval and similarity matching of documents from the compressed domain |
摘要 |
<p>A method and apparatus for image processing. The method comprises accessing header data from a multi-resolution codestream of compressed data of a first document image, deriving one or more retrieval attributes from the heater information, and performing image analysis between the first document image and a second document image based on the one or more retrieval attributes.</p> |
申请公布号 |
EP1548616(A2) |
申请公布日期 |
2005.06.29 |
申请号 |
EP20040256975 |
申请日期 |
2004.11.10 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
BERKNER, KATHRIN;BOLIEK, MARTIN |
分类号 |
G06F17/30;G06T7/00;H04N1/41;(IPC1-7):G06F17/30 |
主分类号 |
G06F17/30 |
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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