Method for controlling copy function in reproduction system

Abstract

The invention relates to a method for controlling copy function in a copy system comprising: in a copying system, setting up personal information and right information; embedding copy control information, the right information, hiding information into a supporting media; when copy, inputting the personal information, an image uptaking module uptaking the supporting media as images, a copy control module identifying the copy control information, the right information and the hiding information; when identifying surface content prohibition copy codes, the copy system not inputting surface content copy documents; when identifying permission copy codes, copy staff inputting the personal information, finding corresponding right information in the copy system, if the right is not lower than the right identified in the supporting media, then inputting the surface content as the copy documents, and recording the personal information, the right information and the copy number; when identifying embedding information codes, the copy staff inputting the personal information, finding the corresponding right information in the copy system, if the right is not lower than the right identified in the supporting media, then inputting the embedded hiding information as the copy documents, and recording the personal information, the right information and the copy number. The method of the invention can control the copy and prevent excessive copy.

Description

technical field [0001] The invention relates to computer image processing, encoding and identification technology. It belongs to the fields of information hiding and information anti-counterfeiting. Background technique [0002] Since the middle of the 20th century, copying technology has achieved rapid development, both in terms of speed and precision, which greatly facilitates users. With the popularization of copying equipment, many negative effects have also been brought, such as the counterfeiting of labels, trademarks, securities, certificates, etc. It has caused great harm to the society, so it is an urgent problem to be solved to control the equipment with copying function. Manufacturers of printers and copiers have also seen the problems caused by printers and copiers, and have developed some methods of controlling copying, such as Fuji Xerox and Canon’s text floating, copy prevention, and information tracking technologies, but these control copying functions lev...

AI Technical Summary

Problems solved by technology

The copying system controls the surface information and hidden information of the carrier medium in all directions. The content of the copy is determined by the set user authority, that is, the content of the copy is different from person to person. There is no precedent for this method.

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