IMAGE PROCESSOR, IMAGE PROCESSING SYSTEM, IMAGE PROCESSING PROGRAM, AND IMAGE PROCESSING METHOD

PROBLEM TO BE SOLVED: To achieve the suppression of the increase of a storage capacity or the quickening of history investigation for log information even in the case of managing the performance history of a processing job according to the log information. SOLUTION: This image processor is configured of a job performance means for performing the processing job of image data; a log generation means 12 for generating image log information about the processing job; a log storage means 13 for storing and accumulating the image log information; a featured value extraction means 14 for extracting the featured values of the image data to be specified according to the image log information; an identity decision means 15 for comparing the featured values of the plurality of image log information to decide identity; and an image replacement means 16 for replacing information for specifying the image data in the image log information whose presence within the limits of identity is decided into any one information which is present within the limits of identity. COPYRIGHT: (C)2007,JPO&INPIT