Patent ID: 8310731

Claim:
An image forming apparatus comprising: a means for optically scanning a document and thereby reading an image and acquiring read image data; a image forming means for forming an image on a recording medium; a means for reading identification information unique to the recording medium; a high-resolution image data acquiring means for applying super-resolution processing on a plurality of sets of image data and thereby acquiring high-resolution image data of higher resolution than the plurality of sets of image data; a means for generating added information concerning the image formed on the recording medium; and a memory for storing the read image data, wherein the added information is managed in association with the identification information unique to the recording medium, the added information includes information indicating a storage location, in the memory, of the read image data acquired from the scanned document, the high-resolution image data acquiring means acquires, from the memory and on basis of the information indicating the storage location of the read image data, a plurality of sets of read image data, which had been acquired from the scanned document, and applies the super-resolution processing on the acquired sets of read image data to acquire the high-resolution image data, and the image forming means forms the image on the recording medium based on the high-resolution image data.