| 摘要 |
PROBLEM TO BE SOLVED: To provide an information embedding apparatus, an image forming apparatus, and an information embedding method. SOLUTION: An image signal is smoothed, a superimposed signal having embedded data superimposed therein is generated, the superimposed signal is added to the smoothed image, and the image signal having the superimposed signal added thereto is binarized. COPYRIGHT: (C)2007,JPO&INPIT
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