PROCESSING, DEVICE AND ELECTROPHOTOGRAPHIC DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method and device for executing anticounterfeit detection that can attain a quick first page output time. SOLUTION: The processing method of this invention includes a step (204) of acquiring a high resolution image signal of an object, steps (208, 209) of acquiring a low resolution image signal of the object, and a step (218) of executing a correction processing for the low resolution image signal when the signal expresses an image of a selected type.