TIRE DAMAGE DETECTION SYSTEM AND TIRE DAMAGE DETECTION PROGRAM

A tire damage detection system () is provided with an image data acquisition unit () which acquires image data including a rim wheel and a tire side part of a tire assembled to the rim wheel, a rim information acquisition unit () which acquires rim information including a radial size of the rim wheel associated with the tire, an damage detection unit () which detects an damage portion of the tire side part on the basis of the image data and detects a size of the damage portion with reference to a diameter of the rim wheel based on the rim information, and an output unit () which outputs information on the damage portion detected by the damage detection unit ().