Patent attributes
A face image capturing apparatus includes a camera, an on-axis illuminator, an off-axis illuminator, an illumination control device, an image capturing control device, and a luminance calculation process device. The camera repeatedly captures an image of a face of an occupant of a vehicle. The illumination control device is configured to adjust an illumination condition of light applied to the face of the occupant. The image capturing control device is configured to control the camera 10 to capture the image of the face at an image capturing timing that is synchronized with a timing for adjusting the illumination condition. The luminance calculation process device is configured to perform a luminance calculation process by using a bright pupil face image, a dark pupil face image, and an ambient light face image.
