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Method for controlling copy function in reproduction system

A technology for controlling information and control modules, applied in the fields of information hiding and information anti-counterfeiting

Inactive Publication Date: 2008-03-05
天津黑马行云物联网科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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.

Method used

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  • Method for controlling copy function in reproduction system
  • Method for controlling copy function in reproduction system
  • Method for controlling copy function in reproduction system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] 1. Data embedding scheme on the bearing medium:

[0031] 1. Set the anchor point. Set anchor points on the carrier medium to have a reference for the coded data that needs to be embedded. Here, it is assumed that four corners of ①, ②, ③, and ④ in Figure 4 are used to set anchor points, and the virtual frame is determined according to the anchor points. The virtual frame can be It does not exist, and is mainly used as the basis for the code embedding setting position.

[0032] 2. Embedding copy control information, authority information, and hidden information in a coded manner in the virtual frame determined by the positioning point. If the surface content on the carrying medium is not allowed to be copied, then embed code G that prohibits copying on the carrying medium as shown in Figure 4; Copy code J and permission level, as shown in Figure 5, J3 means that users with no lower than permission level three can copy the surface content of the carrier medium; if the us...

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Abstract

The method comprises: in a copying system, setting up the personal information and right information; embedding the copy control information, right information, hiding information into the loadbearing media; when copying the files, users input their personal information, and the image capturing module captures the loadbearing media as image data, said image data is transmit to the copy control module to recognize the copy control information, right information, hiding information; the recognized right information is compared with the user's right; the information about the amount of copies, personal information, right information, copy time and embedded content is recorded in the copy system.

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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K7/00G03G15/00
Inventor 郑阿奇
Owner 天津黑马行云物联网科技有限公司
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