Patent ID: 7912268
Filing Date: 2011-03-22
Classification: G06T,G16H

Abstract:
1. An image processing device comprising: a storage unit adapted to store plural images; an image designation unit adapted to designate a reference image and comparison images from among the plural images stored by said storage unit; a comparison unit adapted to acquire radiography date and time information of the designated reference image and the designated comparison images, and compare the radiography date and time information of the reference image with the radiography date and time information of each of the comparison images; a determination unit adapted to determine, based on each of the comparison results provided by said comparison unit, whether to subtract the comparison image from the reference image or subtract the reference image from the comparison image; and a difference image generation unit adapted to generate the temporal difference image from the reference image and each of the comparison images by using the determination, corresponding to the each of the comparison images, determined by said determination unit.