1. A camera control apparatus comprising: a receiver adapted to receive a plurality of sensed images from a plurality of cameras; a processor adapted to determine a reference camera included in the plurality of cameras in accordance with a sensed image received from the reference camera, to determine, as a reference region from which a reference value is obtained, a region including white or achromatic pixels not less than a predetermined number of pixels in the sensed image received from the reference camera, and to determine a color adjustment value based on the reference value obtained from the reference region of the sensed image received from the reference camera; and a transmitter adapted to transmit a command to control another camera to execute color adjustment based on the color adjustment value.