A human detection device according to an aspect of the present disclosure includes at least one light source that, in operation, projects, onto a target, at least one dot formed by first light, the target including a person and an object other than the person； an image capturing system including photodetector cells that detect second light from the target on which the at least one dot is projected, the image capturing system, in operation, generating and outputting an image signal denoting an image of the target on which the at least one dot is projected； and an arithmetic circuit that is connected to the image capturing system and that, in operation, generates and outputs information indicating whether the person is located at a position corresponding to each pixel included in the image denoted by the image signal.
