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PULSE WAVE DETECTION DEVICE, IMAGE ANALYSIS DEVICE, AND BIOMETRIC INFORMATION GENERATION SYSTEM
专利权人:
Sharp Kabushiki Kaisha
发明人:
Junya ONISHI,Yoshihisa ADACHI,Tetsuya OKUMURA,Takashi NUNOKAWA,Rieko OGAWA
申请号:
US16346148
公开号:
US20200054222A1
申请日:
2017.11.06
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Pulse waves of a living body are detected with high accuracy. A pulse wave detection device includes a camera configured to capture an image of the living body a plurality of times through a first green filter and an infrared light filter having light transmission characteristics in a near-infrared light wavelength range within a wavelength range where a light absorption coefficient of oxidized hemoglobin is greater than a light absorption coefficient of reduced hemoglobin, and an image analysis unit configured to analyze a plurality of images of the living body captured by the camera and to detect the pulse waves of the living body. The image analysis unit is configured to detect the pulse waves by detecting a change in intensity of light in the near-infrared light wavelength range indicated by the plurality of images.
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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