Repetitive positioning technology based on correlation matching of palmprint image

被引：0
|
作者：
Jiang, Jing-Ying [2 ]
Hu, Xiao-Dong [2 ]
Xu, Ke-Xin [2 ]
Yu, Qi-Lian [1 ]
机构：
[1] Sch. of Precision Instrum., Tianjin 300072, China
[2] Lab. of Precision Meas. Technol., Tianjin Univ., Tianjin 300072, China
来源：
Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology | 2003年 / 36卷 / 03期
关键词：
Algorithms - Correlation methods - Measurements - Position control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Because of the concurrence of translation and rotation between different palmprint images, the algorithm presented is based upon phase correlation with rotational compensation, and then the paraboloid surface fit will be conducted in order to improve the matching accuracy to sub-pixel level. The algorithm proposed has been successfully applied to matching and locating palmprint images. And for the noise-free palmprint images, The matching accuracy is more than 1/100-pixel for translation and 1/10-degree for rotation.
引用
收藏
页码：300 / 303
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