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    • 1. 发明授权
    • Stripe pattern matching system
    • 条纹图案匹配系统
    • US5953443A
    • 1999-09-14
    • US30814
    • 1998-02-26
    • Seiichi HiratsukaYukio HoshinoJunichi KunikataYoshihide Takahashi
    • Seiichi HiratsukaYukio HoshinoJunichi KunikataYoshihide Takahashi
    • G06T7/00G06K9/00
    • G06K9/00087
    • To provide a stripe pattern matching system enabling to verify minutia correspondence between a searching stripe pattern and a filed stripe pattern independent of position or direction of the searching stripe pattern, correspondence value between them is evaluated by comparing their distances, directions or relations to their each neighboring minutiae by a pairing examination means (16). The most appropriate rotation angle and the most appropriate shifting coordinates for adjusting the searching stripe pattern to the filed stripe pattern is obtained by selecting a most appropriate axial candidate giving the most concentrated coordinate deviations referring to deviation distributions of correspondence values accumulated on a deviation plane memory (18) by applying each axial candidate as the coordinate adjustment reference. Therefore, the most appropriate coordinate adjustment can be performed even when either or both of absolute direction and position cannot be specified, in the invention.
    • 为了提供条纹图案匹配系统,能够独立于搜索条纹图案的位置或方向,验证搜索条纹图案和归档条纹图案之间的细节对应关系,通过将它们的距离,方向或关系与它们的每个 通过配对检查装置(16)的相邻细节。 通过选择给出最集中的坐标偏差的最合适的轴向候选,参考累积在偏移平面存储器上的对应值的偏差分布来获得用于将搜索条纹图案调整到归档条纹图案的最合适的旋转角度和最合适的移动坐标 (18)通过应用每个轴向候选作为坐标调整参考。 因此,即使在本发明中也不能指定绝对方向和位置中的任一方或两者,也可以进行最合适的坐标调整。