CONTROLLER FOR PROCESSING IMAGE DATA, IMAGE PROCESSING SYSTEM INCLUDING CONTROLLER, AND METHOD OF OPERATING CONTROLLER

A method of operating a controller for processing image data includes receiving, from an image sensor, image data having successive frames and a signature value of the image data, and verifying the signature value using a vehicle speed. The verifying the signature value includes determining a checking period determined according to the vehicle speed, and verifying a signature value of a frame determined from among the successive frames according to the checking period.