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LIGHTING DEVICE, IMAGE ANALYSIS DEVICE, IMAGE ANALYSIS METHOD, AND EVALUATION METHOD
专利权人:
发明人:
申请号:
HK13100930.8
公开号:
HK1173635A
申请日:
2013.01.22
申请国别(地区):
HK
年份:
2013
代理人:
摘要:
There is provided a lighting device for capturing a facial image of a subject by an image capturing unit in plural different near-infrared regions of light including a housing in which a substantially spherical space is formed by a spherical surface, the housing accommodating an entire face part of the subject; at least two light sources arranged at positions bilaterally symmetrical with the subject on the spherical surface to emit the light to light the substantially spherical space; an image capturing unit capturing an image of the entire face part; a first filter installed in front of the light source to block ultraviolet rays and infrared rays from the emitted light; a second filter installed in front of the lens to adjust an amount of the light, and a third filter installed in front of the lens to perform band-pass filtering corresponding to the different near-infrared regions.
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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