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发明名称
指形取像辨识方法及其装置
摘要
一种指形取像辨识方法及其装置,首先将待辨识手指摆置于取像基准面上;于待辨识手指上方之一径向取像范围朝向取像基准面,以两投光角度分别拍摄取得待辨识手指背面之第一及第二角度指形影像;由其中之一角度指形影像取出指长及各段指宽辨识特征值;将第一及第二角度指形影像依据取像基准面进行重叠,其中之一角度指形影像之指形一侧缘系超出另一角度指形影像之指形相对侧缘,由两指形侧缘之相隔宽度设为指厚斜率辨识特征值,以更精密准确辨识指形。
申请公布号
TW200844868
申请公布日期
2008.11.16
申请号
TW096115784
申请日期
2007.05.04
申请人
卓仕科技股份有限公司
发明人
蔡秉秝
分类号
G06K9/20(2006.01)
主分类号
G06K9/20(2006.01)
代理机构
代理人
主权项
地址
桃园县桃园市建华三街60号
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