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DISPOSITIF ET PROCÉDÉ DE MESURE DE FORME TRIDIMENSIONNELLE ET PROGRAMME
专利权人:
FUJITSU LIMITED
发明人:
申请号:
EP15199246.8
公开号:
EP3042609B1
申请日:
2015.12.10
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
A three-dimensional shape measuring device is provided that enables an accuracy in measuring a three-dimensional shape of a subject to be improved even when a relationship between a luminance value and a distance deviates from an ideal point light source model in which the luminance value is inversely proportional to the square of the distance. A biometric authentication device 100 includes a coefficient setting unit 41C that sets a coefficient that is an index of a power in a model expression for making a luminance value of a captured image be proportional to an inverse of the power of a distance from a light source to a measurement point of the luminance value according to a prescribed condition, and a three-dimensional shape measuring unit 41E that measures the three-dimensional shape of the subject according to the luminance value of the captured image and the coefficient.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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