IMAGE COMPOSITION DEVICE, IMAGE DISPLAY DEVICE, IMAGE ENCODING DEVICE, IMAGE COMPOSITION PROGRAM, IMAGE DISPLAY PROGRAM, AND IMAGE ENCODING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide an image composition device which can maintain security effectively even if the device performs screen dump of a display screen. SOLUTION: A character division means of this image composition device divides each character in information outputted as image into a part as N pieces of images (N is a natural number of two or more), and an output image composition means composes an output image selecting one piece from N pieces of parts of each character divided by the character division means. COPYRIGHT: (C)2008,JPO&INPIT