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Printing medium certificate documents and false proof handling method of copy thereof

A printing medium and processing method technology, applied in the field of information processing, can solve the problems of few tamper-proof technologies, unable to completely solve the problems of printing medium certificates and documents, embedding a large amount of information, etc.

Active Publication Date: 2007-03-14
顾泽苍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since this method uses digital watermarking technology, a large amount of information cannot be embedded on paper, and encoding can only be performed on a few words, so it is difficult to completely prevent the content of the certificate from being tampered with.
In addition, there are few reports on anti-tampering technology for copies of certificates
[0005] To sum up, the existing technology cannot completely solve the problem of anti-counterfeiting and anti-tampering in printed media certificates, especially copies.

Method used

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  • Printing medium certificate documents and false proof handling method of copy thereof
  • Printing medium certificate documents and false proof handling method of copy thereof
  • Printing medium certificate documents and false proof handling method of copy thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Below in conjunction with Fig. 1 and Fig. 2, describe the process of the anti-counterfeiting processing method of the printed medium certificate certificate and its copy:

[0069] The anti-counterfeiting processing method for printed medium certificates and their copies is composed of a screen code embedding system and a screen code identification system, wherein the screen code embedding system realizes the method of embedding information in printed medium certificates, screen The code identification system realizes the identification method of information embedded in printed media certificates and their copies.

[0070] The screen code embedding system is installed in the computer. Through the cooperation of the computer host and keyboard, monitor, printer, scanner and other equipment, the shading image can be made at the same time by using the shading pixels in the gaps of the certificate, and the shading image can be embedded at the same time. Enter the screen code ...

Embodiment 2

[0099] The anti-counterfeiting processing method of the printed medium certificate and its copy can also be made by embedding the information in the printed medium certificate into a screen coded information embedded in the chip, and the embedded information of the printed medium certificate and its copy The identification method is to make a screen code identification chip, and then connect these two chips to a copier or an integrated machine to realize the embedding method and identification method of information in the printed medium certificate, and to make the copier (integrated copier) with anti-corrosion Copy function, trace function, anti-tampering function, secret writing function, secret transmission function, etc.

[0100] Fig. 14 is a schematic diagram of the connection of the above-mentioned screen code information embedded chip and screen code identification chip used in a compound machine (integrated copier) to realize the present invention, wherein the virtual f...

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Abstract

The related false proof information embedding method for print-media certificate comprises: printing the false proof shading image in certificate content gap, and embedding the false proof information of screen code on the shading without changing shading pixel feature. The corresponding recognition method comprises: scanning the print media to recognize the false proof information, and comparing both the false proof information and certificate or copy together. This invention can also recognize the copy, needs low cost, and benefit to spread.

Description

technical field [0001] The invention belongs to the field of information processing, in particular to an anti-counterfeit processing method for printed medium certificates and copies thereof. Background technique [0002] With the continuous development of innovative technologies of office automation equipment such as copiers, printers, and scanners, their printing or scanning resolutions are getting higher and higher. Using the above-mentioned equipment to print or copy printed media certificates, the effect can be fully achieved. In addition, the printed media certificate is scanned into the computer by the scanner to form a data image, and the image can be easily modified by using the image processing software in the computer to achieve the purpose of tampering. [0003] Nowadays, not only the originals of various printed media certificates are used in the society, but in many cases, the copies of various printed media certificates are widely used. For example, relevant ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T1/00G06K15/02
Inventor 顾泽苍
Owner 顾泽苍
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