Unauthorized copy preventing device and method thereof, and program
作者： Hiroshi Abe , Jun Hirai
DOI:
关键词:
摘要: There are provided an unauthorized copy preventing device, method, and program capable of easily protecting a printed content. A pattern (pattern characteristic amount) extracted from image on the original sensitized paper is stored paper. When copying content code-attached XPc, validity whether OP or not decided according to in so that presence/absence can be checked by itself has. Thus, it possible protect
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