| 发明名称 | Method for registering fingerprint image | ||
| 摘要 | A method for registering a fingerprint image is provided. The method comprises steps of: establishing an orientation field template base according to M training fingerprints, wherein M is a positive integer larger than one; receiving a fingerprint image to be registered; obtaining an initial orientation field of the fingerprint image; obtaining an estimated position and an estimated direction of the fingerprint image according to the initial orientation field and the orientation field template base; and registering the fingerprint image according to a preset position, a preset direction, the estimated position and the estimated direction. | ||
| 申请公布号 | US9305203(B2) | 申请公布日期 | 2016.04.05 |
| 申请号 | US201314374196 | 申请日期 | 2013.12.27 |
| 申请人 | TSINGHUA UNIVERSITY | 发明人 | Zhou Jie;Feng Jianjiang;Yang Xiao |
| 分类号 | G06K9/00 | 主分类号 | G06K9/00 |
| 代理机构 | Houtteman Law LLC | 代理人 | Houtteman Law LLC |
| 主权项 | 1. A method for registering a fingerprint image, comprising steps of: establishing an orientation field template base according to M training fingerprints, wherein M is a positive integer larger than one; receiving a fingerprint image to be registered; obtaining an initial orientation field of the fingerprint image; obtaining an estimated position and an estimated direction of the fingerprint image according to the initial orientation field and the orientation field template base; and registering the fingerprint image according to a preset position, a preset direction, the estimated position and the estimated direction. | ||
| 地址 | Beijing CN | ||