发明名称 |
Image processing method, apparatus and system |
摘要 |
A method for detecting edges in an image is disclosed along with corresponding apparatus and system for accurately extracting edges in the image. The edge detecting apparatus comprises a reading means, an image gray-level statistical means, an image classification means, a segmenting threshold generating means, an edge criterion determining means, and an image edge extracting means. The present invention realizes a reliable and accurate method for detecting edges in an image so as to extract edges in various file images. <IMAGE> |
申请公布号 |
EP1310912(A3) |
申请公布日期 |
2004.09.15 |
申请号 |
EP20020255149 |
申请日期 |
2002.07.23 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
LI, YULIN;WANG, JIE;ZHAO, HONGSHENG |
分类号 |
H04N1/40;G06T1/00;G06T5/00;G06T7/00;G06T7/60;H04N1/403 |
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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