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FOREIGN OBJECT ASSESSMENT DEVICE, FOREIGN OBJECT ASSESSMENT METHOD, AND FOREIGN OBJECT ASSESSMENT PROGRAM
专利权人:
发明人:
申请号:
EP11750691.5
公开号:
EP2544148A1
申请日:
2011.03.02
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
To improve the accuracy of fingerprint authentication, the foreign object determination device of the present invention includes an image acquisition unit 31 for acquiring an image in which an authentication target to be subjected to fingerprint authentication has been captured, a region partitioning unit 33 for partitioning the image acquired by the image acquisition unit 31 into regions of mutually different colors by using predetermined determination criteria for determining differences in color, and a foreign object determination unit 34 for determining whether a foreign object is included in the authentication target by using colors and/or areas of the regions partitioned by the region partitioning unit 33.
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中国工程科技知识中心
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