发明名称 |
DOCUMENT IMAGE ENCODING/DECODING |
摘要 |
<p>A method of encoding a document image, the method comprising extracting one or more picture areas from the document image; extracting one or more character areas from the document image; obtaining a background image by subtracting the image and character areas from the document image; classifying character blocks of the character areas with reference to dynamically generated templates; and encoding the background image utilising a SAQ wavelet encoder.</p> |
申请公布号 |
WO2005046213(A1) |
申请公布日期 |
2005.05.19 |
申请号 |
WO2004SG00366 |
申请日期 |
2004.11.06 |
申请人 |
NATIONAL UNIVERSITY OF SINGAPORE;LIU, CHAOQIANG;XIA, TAO |
发明人 |
LIU, CHAOQIANG;XIA, TAO |
分类号 |
H04N1/40;H04N1/41;(IPC1-7):H04N1/415;H04N1/64;G06T9/00 |
主分类号 |
H04N1/40 |
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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