A method for image stitching using a multi-camera-based electroplated diamond wire saw surface image acquisition device
A technology of electroplated diamond and diamond wire saw, which is applied in the directions of image enhancement, image analysis, graphic image conversion, etc., can solve the problems of low detection accuracy and inability to obtain the full cylindrical surface image of electroplated diamond wire saw, so as to improve detection accuracy and intelligent The effect of making obvious meaning and eliminating errors
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Embodiment 1
[0063] Embodiment 1 A multi-camera-based surface image acquisition device for electroplated diamond wire saw
[0064] like figure 1 As shown, the multi-camera-based electroplated diamond wire saw surface image acquisition device includes the following five sub-devices:
[0065] Sub-device 1. Industrial camera: used to collect the original image of the surface of the electroplated diamond wire saw;
[0066] Sub-device 2. Light source: used to increase the gray value difference between the electroplated diamond wire saw coating and the surface abrasive particles in the image;
[0067] Sub-device 3. Stage: used to install industrial cameras, light sources, guide wheels;
[0068] Sub-device 4. Guide wheel: The distance between the electroplated diamond wire saw and the lens is guaranteed to be stable during production;
[0069] Sub-device 5. Computer: used to install image acquisition software.
[0070] The above-mentioned multi-camera-based electroplating diamond wire saw su...
Embodiment 2
[0073] Embodiment 2 Method for stitching surface images of electroplated diamond wire saw based on multi-camera
[0074] like figure 2 shown, the specific steps are as follows:
[0075] Step (1) Four industrial cameras simultaneously collect surface images of the electroplated diamond wire saw at the same axial position and at different angles, and the results are as follows
[0076] image 3 shown;
[0077] Step (2) by formula (1), formula (2), formula (3), formula (4), formula (5) to obtain the pixels in the original image of the surface of the electroplated diamond wire saw and the pixels in the surface image of the electroplated diamond wire saw after unfolding The coordinate transformation relationship of , such as Figure 4 As shown, expand the image according to this coordinate transformation relationship, and the expansion result is as follows Figure 5 As shown, using linear interpolation to complete the image, the result is as follows Image 6 shown;
[0078] ...
experiment example
[0110] Experimental example: Take a brand of electroplated diamond wire saw with a wire diameter of 160 μm as an example, the image stitching results are as follows Figure 10 shown.
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