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Antiforge random grains distribution method

A random distribution and texture technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of reducing the copying cost of counterfeiters, difficult texture distribution, low precision, etc., to shorten the time of query and check, reduce The effect of equipment investment and reduction of storage space

Inactive Publication Date: 2002-08-14
孙显林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the Chinese Invention Patent - Structural Texture Anti-counterfeiting Method (Application No.: 98116462.5) applied for on August 8, 1998, all texture distributions in the entire set area are captured and stored by means of photography or scanning, and then passed through a fax machine Or Internet image or telephone voice mode provides verification information, which has the following serious defects: a. high anti-counterfeiting cost; When using voice or text to describe the entire texture pattern, not only the accuracy is very low, but also very complicated, confusing and difficult, which further reduces the copying cost of counterfeiters
[0003] Taking the fiber texture paper label currently used in texture anti-counterfeiting as an example, the area of ​​the set area is difficult to exceed 9cm 2 , the number of fibers is difficult to exceed 15. It is very unsafe to apply this kind of anti-counterfeiting label to high value-added commodities, because the fiber distribution can be copied by manual embedding. When the cost of manual copying is less than the profit of counterfeiting, counterfeiting It will be profitable, and the anti-counterfeiting will lose its effect. It is extremely wrong to think that the texture distribution is extremely difficult or impossible to copy. Therefore, the anti-counterfeiting effect can only be achieved when the cost of manual embedding and copying is greater than the profit of counterfeiting. Therefore, How to make counterfeiters accurately reproduce the texture distribution in large areas is extremely important

Method used

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  • Antiforge random grains distribution method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1, see figure 1 , figure 2 , the specific steps are:

[0045] 1. In the papermaking process, colored fibers are added to make fiber texture paper. Among the colored fibers, there are single red, single blue, single brown, single green, single black, single blue and red double-color segments, and single red Composed of 10 inherent color characteristics with obvious visual differences: green double-color, single red-black double-color;

[0046] 2. Set the selection area (1) in the fiber texture paper, then divide the selection area (1) into 100 boxes (2), number the boxes (2) sequentially n, and set them in the box (2) Grid coordinates with an interval of 1.0mm (3);

[0047] 3. Set a non-continuous and non-repetitive number on each product as the query code (5) and cover it.

[0048] 4. Print the query phone number or query website URL on the product;

[0049] 5. Randomly select a random feature endpoint (4) of a fiber in any numbered box (2), record its gri...

Embodiment 2

[0054] Example 2, see figure 1 , based on embodiment 1, its steps 1, 2, 3, 4, 7 are the same, and further features are:

[0055] 1. Set the number k for the color feature of the fiber, arbitrarily select an end point (4) of a fiber in any number n box (2), record its grid coordinates (a, b) and its color feature k , storing the nkab in the computer system together with the query code (5) as the anti-counterfeiting information.

[0056] 2. When inquiring, dial in the inquiry code by phone or online. If there is no such inquiry code in the computer system, the answer is: "This inquiry code does not exist, it is a counterfeit product"; when there is such an inquiry code, the computer system will provide voice or text Way to answer: "Please check the fiber distribution information, there is a red fiber in the 15th grid box, one of its endpoints is on the grid with abscissa 6 and ordinate 7, if it does not meet the requirements, it is a counterfeit."

[0057] Analyzing this embod...

Embodiment 3

[0058] Example 3, see image 3 , based on embodiment 2, its steps 1, 2, 3, 4, 7 are the same, further features are:

[0059] 1. Set the number k to the color feature of the fiber, select a fiber in the box (2) of any number n, and select 10 grids ( 4) Coordinates (a, b) of any grid and record the color feature k' of the root fiber, and store nkab in the computer system together with the query code (5) as anti-counterfeiting information.

[0060] 2. When inquiring, dial in the inquiry code by phone or online. If there is no such inquiry code in the computer system, the answer is: "This inquiry code does not exist, it is a counterfeit product"; when there is such an inquiry code, the computer system will provide voice or text Way to answer: "Please check the fiber distribution information, there is a red fiber in the 75th box, the fiber has passed the box with abscissa 6 and ordinate 4, if it does not meet the requirements, it is a counterfeit".

[0061] In embodiment 2, if th...

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Abstract

The invention discloses an anti-false method of random texture distribution. Only one random features among all random features of texture distribution within given selected area is selected arbitrary. Such as position coordinates of one end of optional a piece of fiber are as anti-false information. Inquirer inputs inquiring code to the recognition database in computer through communication mode. The features of texture on the product is compared with the features of texture obtained from data stored in advance in computer system for determining whether the product is true or false.

Description

technical field [0001] The invention discloses an anti-counterfeiting method for random texture distribution, in particular, an anti-counterfeiting effect equivalent to a comprehensive and accurate description of the entire texture distribution can be achieved by selecting only one or a few random features as anti-counterfeiting information. Background technique [0002] In the Chinese Invention Patent - Structural Texture Anti-counterfeiting Method (Application No.: 98116462.5) applied for on August 8, 1998, all texture distributions in the entire set area are captured and stored by means of photography or scanning, and then passed through a fax machine Or Internet image or telephone voice mode provides verification information, which has the following serious defects: a. high anti-counterfeiting cost; When describing the entire texture pattern with voice or text, not only the accuracy is very low, but also very complicated, confusing and difficult, which further reduces th...

Claims

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Application Information

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Inventor 孙显林
Owner 孙显林
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