Three-dimensional random graph based anti-counterfeit label

A technology of anti-counterfeiting labels and random graphics, applied in the field of anti-counterfeiting, can solve the problems of public difficulty, inability to be copied, difficulty in forming credibility, etc.

Pending Publication Date: 2019-01-01
HANGZHOU WOPUWULIAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, so far, for bulk consumer products, the public has not only never become a participant in the counterfeit inspection of commodities, but even ignores most of the anti-counterfeit labels. There are three main reasons for this: First, the counterfeit inspection technology is complex Or the counterfeit inspection equipment is expensive, and it is difficult for the public to participate in it, and the extremely low participation of the public makes it difficult to form credibility; second, most anti-counterfeiting technologies use one-dimensional or two-dimensional label products as carriers, while anti-counterfeiting labels lower than three-dimensional are all Inevitably, it is easy to be copied, recycled or

Method used

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  • Three-dimensional random graph based anti-counterfeit label
  • Three-dimensional random graph based anti-counterfeit label
  • Three-dimensional random graph based anti-counterfeit label

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Such as figure 1 As shown, an anti-counterfeiting label based on three-dimensional random graphics includes two basic components: five three-dimensional random graphics 1 and a three-dimensional carrier 2 capable of accommodating all three-dimensional random graphics 1. The three-dimensional carrier 2 is made of PC material and can be transparent Through visible light so that the three-dimensional random figure 1 can be recognized by the image recognition equipment; the positions of the three-dimensional random figure 1 in the three-dimensional carrier 2 are randomly distributed, and there are three three-dimensional random figures 1 whose center of gravity coordinates are in three parallel but different On the plane; the image features of the combination of the three-dimensional random figure 1 and the three-dimensional carrier 2 are recorded in the database for comparison and recognition by the image recognition device; the three-dimensional anti-counterfeiting label i...

Embodiment 2

[0084] Such as figure 1 As shown, an anti-counterfeit label based on three-dimensional random graphics includes two basic components: six three-dimensional random graphics 1 ; and a three-dimensional carrier 2 capable of accommodating all three-dimensional random graphics 1 . Each three-dimensional random figure 1 Including 5-6 random surfaces, the area of ​​each surface is 2-10 square millimeters at random, among which there are 4 three-dimensional random figures whose center of gravity coordinates are on parallel but different planes; any two points on the outer surface of a single three-dimensional random figure 1 The maximum distance does not exceed 0.6cm; the three-dimensional carrier 2 is made of PMMA material, and the three-dimensional carrier 2 can transmit visible light so that the three-dimensional random figure 1 in it can be recognized by the image recognition equipment; the photos obtained by taking the three-dimensional anti-counterfeiting label from any angle A...

Embodiment 3

[0086] Such as figure 1 As shown, an anti-counterfeiting label based on three-dimensional random graphics includes two basic components: seven three-dimensional random graphics 1 and a three-dimensional carrier 2 capable of accommodating all three-dimensional random graphics 1. The three-dimensional carrier 2 is made of PS material and can be transparent Through visible light so that the three-dimensional random graphics can be recognized by image recognition equipment; the positions of the three-dimensional random graphics 1 in the three-dimensional carrier 2 are randomly distributed, and there are five three-dimensional random graphics 1 whose center of gravity coordinates are in five non-parallel planes Above; the maximum distance between any two points on the outer surface of a single three-dimensional random figure 1 does not exceed 0.7cm; the image features of the combination of three-dimensional random figure 1 and three-dimensional carrier 2 are recorded in the database...

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Abstract

The invention relates to a three-dimensional random graph based anti-counterfeit label. The anti-counterfeit label includes three-dimensional random graphs and a three-dimensional carrier accommodating all the three-dimensional random graphs; the positions of the three-dimensional random graphs are randomly distributed in the three-dimensional carrier; and image characteristics combining the three-dimensional random graphs with the three-dimensional carrier are recorded in a database, so that contrast recognition can be performed by image recognition equipment. Thus, pre-sale false inspectionof goods can be realized; and labels have characteristics of being non-replicable and non-recyclable, so that possible can be provided for public to widely participate in goods false inspection.

Description

technical field [0001] The invention relates to an anti-counterfeiting label based on three-dimensional random graphics, which belongs to the field of anti-counterfeiting. [0002] The term "mechanical connection" includes riveting, bolt connection, key pin connection, elastic snap connection and other methods. [0003] The term "welding": refers to the use of electrical energy, chemical energy, mechanical energy to join two objects together. Background technique [0004] After years of development of anti-counterfeiting technology, many categories have been formed, such as laser holographic film, laser holographic anodized aluminum film, laser holographic plus fluorescent anti-counterfeiting film, flexible laser holographic anti-counterfeiting film, optical color-changing interference film, optical retro-reflective film, nuclear micro Anti-counterfeiting film technology represented by porous film, optical lens three-dimensional display anti-counterfeiting film, three-dimen...

Claims

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Application Information

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IPC IPC(8): G09F3/02G06K19/06
CPCG09F3/0297G06K19/06037
Inventor 袁涌耀樊晓东
Owner HANGZHOU WOPUWULIAN SCI & TECH
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