IMAGE REPLICATION CONTROL APPARATUS, IMAGE REPLICATION CONTROL METHOD, IMAGE PRODUCING APPARATUS, IMAGE PRODUCING METHOD, PROGRAM, AND IMAGE REPLICATING APPARATUS

摘要

Image identifier information specific to image data to be input to an image duplication apparatus is embedded in the image data as a steganography in advance. Meanwhile, on the side of an image (duplication apparatus, a duplication control apparatus comprised therein decodes the steganography contained in image data, detects the image identifier information, compares the detected image identifier information with pre-assigned license information and permits a duplication operation such as printing onto a print medium or storing into a storage medium if the aforementioned two kinds of information are identical.