Method for automatically obtaining geometric parameters of stone based on machine vision
A technology of automatic acquisition and geometric parameters, applied in instruments, image data processing, measurement devices, etc., can solve the problems of lack of fast and efficient parameter measurement technology, restricting stone production level, large size span, etc., to reduce computational complexity , low cost, good adaptability
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[0040] refer to Figure 1-9 ,
[0041] Step 1: Build a stone image acquisition platform. The camera is U3S880-H industrial camera (resolution 3968×2232) from Dushen Technology Co., Ltd., and the lens is Computar M0814-MP2 lens (focal length 8mm). The camera is connected to the computer through a USB data cable for driving , the background is made of light blue matte paper, and the matte paper is laid flat on the stone bearing platform, and the angle between the optical axis of the camera and the stone bearing platform is adjusted through a horizontal bubble meter to make it as vertical as possible.
[0042] Step 2: Collect the image of the calibration plate and the stone material, select the effective area of the image, place the calibration plate and the stone material on the carrying platform in sequence, and collect the image of the calibration plate and the stone material. The selected calibration plate is a checkerboard board of 40cm×40cm. The stone materials used are ...
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