RECORDING MEDIUM RECORDING IMAGE FILE AND READABLE BY COMPUTER, PREPARATION DEVICE FOR THE SAME, MEDIUM RECORDING IMAGE FILE PREPARATION PROGRAM, IMAGE FILE TRANSMISSION DEVICE, IMAGE FILE PROCESSOR, AND IMAGE

摘要

PROBLEM TO BE SOLVED: To securely provide a user of an image file with the information that an image file provider hopes to provide. SOLUTION: Distinguishing information inherent to the image file or/and one or a plurality of information pointers are recorded in a data stream of the image file which is a recording medium recording the image file and readable by a computer.