Workpiece anti-counterfeiting method based on part surface image matching
A surface image and component technology, applied in the field of workpiece anti-counterfeiting based on component surface image matching, can solve problems such as difficult detection of bearings, bearing damage, and difficult detection of bearings, and achieve reduced anti-counterfeiting costs, high anti-counterfeiting security, and improved robustness. sticky effect
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[0092] Examples:
[0093] In this embodiment, in figure 1 Parts 1 and 2 in the sample are used as samples 1 and 2, and samples 1 and 2 are the areas with a roughness of 0.1μm in the normal surface roughness comparison sample. Under naked eye observation, the surface with the same roughness is very similar . figure 2 Among them, 3 is the image acquisition hardware-a digital microscope of Keyence's model VHX 5000 on sale, which can realize auto focus and automatic image stitching. The resolution of the collected single image is 1200pixels×1600pixels, and the maximum resolution after stitching can reach 20000pixels×20000pixels.
[0094] The specific anti-counterfeiting identification method of the present invention is realized by the following steps:
[0095] Step 1. Sample pretreatment:
[0096] in figure 1 A small area is randomly selected on Part 1 and Part 2 in the middle, and mark 1-1 area and 2-1 area with the word ‘+’ as the anti-counterfeiting detection area mark.
[0097] Step ...
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