National University Corporation Shizuoka University
发明人:
Yoshinobu Ebisawa
申请号：
US14889473
公开号：
US09898658B2
申请日:
2014.05.02
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A pupil detection light source device includes an aperture disposed to face a subject to allow light from a pupil of the subject to pass therethrough, an illumination light for obtaining a light pupil image toward the subject from the inside or the vicinity of the aperture when seen from the subject, and an illumination light for forming a reflection image with glasses obtained by canceling a reflection image with glasses of the light pupil image using an image difference toward the subject from the inside or the vicinity of the aperture when seen from the subject.
