| 发明名称 |
Coding system & method of a fingerprint image |
| 摘要 |
A binary coding method of a fingerprint image, the method comprises detecting a ridge range direction and a ridge curvature of the fingerprint image; and binary coding the fingerprint image using a binary coding filter selected in accordance with the ridge curvature.
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| 申请公布号 |
US2005201596(A1) |
申请公布日期 |
2005.09.15 |
| 申请号 |
US20050076119 |
申请日期 |
2005.03.09 |
| 申请人 |
LG ELECTRONICS INC. |
发明人 |
HWANG WOON J.;KIM TAEK S. |
| 分类号 |
G06K9/00;(IPC1-7):G06K9/00;G06K9/46 |
主分类号 |
G06K9/00 |
| 代理机构 |
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