US Patent 11256936 Vehicle occupant count monitoring system

A vehicle occupant count monitoring system includes: an imaging unit that captures a depth image including a distance to an occupant in a cabin of a vehicle; a facial recognizing unit that recognizes a face of the occupant from the depth image captured by the imaging unit; an upper half body recognizing unit that recognizes an upper half body of the occupant from the depth image captured by the imaging unit; and a counting unit that counts the number of occupants by combining a recognition result of the face using the facial recognizing unit and a recognition result of the upper half body using the upper half body recognizing unit.