Microscopic texture image acquisition anti-counterfeiting device and method

A technology of texture images and anti-counterfeiting devices, which is applied in data processing applications, instruments, commerce, etc., can solve the problems of limited application of anti-counterfeiting of a single type of material, weak anti-counterfeiting security of macroscopic textures, and high equipment precision, and achieve low cost and high device structure Small size and wide field of view

Pending Publication Date: 2020-12-15
CONVERGENCE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at at least one of the above defects or improvement needs in the prior art, the present invention provides an anti-counterfeiting device and method for collecting microscopic texture images, aiming to solve the problem of weak anti-counterfeiting security of macroscopic textures in the prior art and the impact of microscopic texture anti-counterfeiting on equipment. Problems such as high precision, high cost, and application limitations for anti-counterfeiting of a single type of material

Method used

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  • Microscopic texture image acquisition anti-counterfeiting device and method
  • Microscopic texture image acquisition anti-counterfeiting device and method
  • Microscopic texture image acquisition anti-counterfeiting device and method

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Embodiment 1

[0046] Such as figure 1 As shown, the present invention provides an anti-counterfeiting device for collecting microscopic texture images, including a macroscopic imaging module 1, a microscopic imaging module 2, a motion module 3, a stage 4, a computer 5, and a light source 6. The microscopic imaging module 2. The stage 4 and the light source 6 are arranged in sequence, the microscopic imaging module 2 and the stage 4 are fixedly connected to the motion module 3, and the macroscopic imaging module 1, microscopic imaging module 2, and motion module 3 are all connected with computer 5.

[0047]The macro imaging module 1 is placed away from the motion module 3 and fixed on the adjustable bracket 101, the micro imaging module 2 is fixed on the motion module 3, and by adjusting the distance between the macro imaging module 1 and the stage 4, To adapt to the samples to be tested with different specifications, and collect macroscopic images of the samples to be tested.

[0048] The...

Embodiment 2

[0069] In order to solve the positioning correction of the microscopic imaging module 2, when the macroscopic imaging module 1 collects, the macroscopic image is at least partially captured by the microscopic imaging module 2 into the macroscopic image, and a certain vertex of the macroscopic image is used as the origin of the image pixel coordinate system, The pixel coordinates of the microscopic imaging module 2 and the sampling point can be obtained, and the difference between the two can obtain the relative pixel information between the microscopic imaging module 2 and the sampling point, and feed it back to the computer 5. By converting the relative pixel information into the actual movement The amount of displacement is to send an instruction to the motion module 3, and the motion module 3 makes the micro imaging module 2 be in the corresponding area of ​​the sampling point.

[0070] Further, the macroscopic imaging module 1 can feed back the changing relative position in...

Embodiment 3

[0075] On the basis of Example 1, such as Figure 5 As shown, the stage 4 is provided with a detection mechanism 401, the detection mechanism 401 detects whether there is a sample to be tested on the stage, and if it is detected that there is a sample to be tested, the anti-counterfeiting device for microscopic texture image collection automatically runs the steps in Example 1 A, B, C, D, the selection of sampling points in the step B is artificially preset or randomly generated one or more sampling points to realize the automatic collection and storage of microscopic texture images of sampling points; otherwise, the anti-counterfeiting device for microscopic texture image collection stop running.

[0076] The automatic operation of the anti-counterfeiting device for micro texture image collection is as follows: when micro texture image is collected, no human intervention is required to adjust the device during operation, that is, one or more processes of micro texture image c...

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Abstract

The invention discloses a microscopic texture image acquisition anti-counterfeiting device which is characterized in that an objective table bears a sample to be detected, the relative positions of amacroscopic imaging module, a microscopic imaging module and the objective table are adjustable, the macroscopic imaging module acquires a macroscopic image of the sample to be detected; and the microscopic imaging module is moved to an area corresponding to a sampling point on the macroscopic image of the sample to be detected, and a microscopic texture image at the sampling point is acquired andtransmitted and stored in the computer. According to the invention, microscopic texture image acquisition and anti-counterfeiting can be carried out on any entity object; the microscopic texture anti-counterfeiting reliability is high; any marking treatment on the sample is not needed during image acquisition; the microscopic texture image magnification is high; and the sampling area view is wide. The device is small in structural size and easy to store; the requirement on equipment precision is low and the cost is low; the microscopic texture image acquisition operation of the device is simple; the microscopic texture image acquisition anti-counterfeiting device can realize automatic acquisition of microscopic textures and store the microscopic textures in a computer.

Description

technical field [0001] The invention belongs to the field of texture anti-counterfeiting, and in particular relates to an anti-counterfeiting device and method for collecting microscopic texture images. Background technique [0002] Some items such as masterpieces are priceless, in order to protect the value of the items from being violated, so its anti-counterfeiting is very important. At present, there are methods of anti-counterfeiting of articles, such as adding watermarks, fiber threads, security threads, compounds, conductive layers, magnetic powders, secret marks, etc. No matter which method is used, it is necessary to add special anti-counterfeiting materials to the original articles. Added complexity to item crafting. However, these anti-counterfeiting technologies themselves can also be imitated and forged, that is, these anti-counterfeiting means cannot guarantee the uniqueness of the item. The final microscopic image formed by the security machine and the colori...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06Q30/00
CPCG06Q30/0185G06V20/698
Inventor 胡庆磊黄凯李宁李梦婷杨旭
Owner CONVERGENCE TECH CO LTD
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