发明名称 MACHINE VISION VERIFICATION
摘要 Embodiments of systems and methods for directly reading and verifying characters on a personalized document, are provided. A surface of the personalized document is illuminated independently or simultaneously by first and second light sources. The first light source has a ring shape, surrounds the personalized document in 360 degree, and transmits a grazing incident light to illuminate the surface of the personalized document. An incident light from the second light source is reflected by a beam splitter and illuminates the surface of the personalized document in a direction generally perpendicular to the surface. Light reflected from the surface of the personalized document in a direction generally perpendicular to the surface thereof is collected by a camera.
申请公布号 WO2014071040(A1) 申请公布日期 2014.05.08
申请号 WO2013US67812 申请日期 2013.10.31
申请人 DATACARD CORPORATION 发明人 WOOLDRIDGE, CORY
分类号 G06K9/18;G06K9/46;G06T7/00 主分类号 G06K9/18
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