Image capturing device captures an object in an illumination environment appropriate for individual identification and object collation

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United States of America Patent

PATENT NO 11729512
SERIAL NO

17431513

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Abstract

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An image capturing device, configured to illuminate an object by an illumination means and capture reflected light from the object as a reflection image by a capturing means, includes an irradiation angle range determination means. The irradiation angle range determination means determines, assuming that a group of pieces of unevenness existing at the same position on the surfaces of a plurality of individuals of an object is an unevenness group, an irradiation angle range for irradiating the object by the illumination means, on the basis of a statistic value of the inclination angles of the unevenness group in which variations in the inclination angles of the unevenness between individuals is larger than other unevenness groups, among the plurality of unevenness groups.

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Patent Owner(s)

  • NEC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishiyama, Rui Tokyo, JP 86 553
Kudo, Yuta Tokyo, JP 30 26
Makino, Kengo Tokyo, JP 20 10
Takahashi, Toru Tokyo, JP 625 6839

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