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Three-dimensional shape measuring device and three-dimensional shape measuring method
专利权人:
FUJITSU LIMITED
发明人:
Takahiro Aoki
申请号:
US14966960
公开号:
US10145679B2
申请日:
2015.12.11
申请国别(地区):
US
年份:
2018
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 includes a coefficient setting unit 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 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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