A passenger detection device (10) includes a face image obtaining unit (12) obtaining a face image captured in a state in which a passenger in a vehicle irradiated with irradiation light from light sources. The device further includes: a reflected-image position detecting unit (14) detecting, from the face image, positions of respective reflected images of the light sources reflected on eyeglasses worn by the passenger; an eyeglasses feature detecting unit (15) detecting, from the face image, positions of center points of lenses as feature information of the eyeglasses; a head position detecting unit (16) detecting a head position of the passenger on the basis of the positions of respective reflected images; and a face orientation detecting unit (17) detecting face orientation of the passenger on the basis of relation between the head position of the passenger, the positions of respective reflected images, and the positions of center points of lenses.
Passenger detection device, passenger detection system, and passenger detection method
2020-04-14
Patent
Electronic Resource
English
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