TEMPLATE MATCHING DEVICE, CAMERA WITH TEMPLATE MATCHING DEVICE, AND PROGRAM FOR ALLOWING COMPUTER TO CARRY OUT TEMPLATE MATCHING

摘要

A template matching device comprises means for calculating a first feature value from image information on a template image including color components, extracting means for extracting a partial image from different positions in the input information including the color components, means for calculating a second feature value from the image information from the extracted partial image, means for calculating the residual value from the image information on the template image and the image information on the partial images, means for determining a first degree of similarity between the template image and the partial image by comparing the first and second feature values, means for determining a second degree of similarity from the residual value, means for determining a third degree of similarity from the first and second degrees of similarity, and identifying means for identifying the matching position at which the input image and the template image are matched by comparing the third degree of similarity determined at each position on the input image. With these means, the matching position is correctly identified even if a geometrical variation occurs in the input image.