APPARATUS, SYSTEM, AND METHOD OF IMAGE PROCESSING, AND STORAGE MEDIA

摘要

PROBLEM TO BE SOLVED: To improve the quality of output image by constant and accurate identification of defected pixels. SOLUTION: An extracting means 204 of this apparatus extracts information on positions of defected pixels based on degree of unevenness of the pixel indices in images which are obtained by varying the amount of irradiation (including dosage of radiation) on photographing. Here the unevenness of the pixels is expressed as unevenness of the output of pixels of a planar sensor used to collect image information.