A firebrick measuring system based on machine vision
A machine vision, refractory brick technology, used in measuring devices, instruments, optical testing flaws/defects, etc., can solve problems such as affecting steel production, prone to misjudgment, and inability to build
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[0077] Example 1
[0078] Such as Figure 1-3 As shown, the refractory brick measuring device based on machine vision includes an image acquisition module 1, a control module 2, an image processing module 3, and a feedback module 4. The image acquisition module 1 has a base 11, and the base 11 is equipped with a three-structure light laser sensor 12, the stepper motor 15 drives the three-structured light laser sensor 12 to move through the coupling 16. The turntable 14 carrying the refractory brick is fixed on the base 11, and the three-structured light laser sensor 12 is aligned with the surface to be measured of the refractory brick and scans The 4 end faces of the refractory brick to be tested; the input end of the control module 2 is connected to the image acquisition module 1, and the output end of the control module 2 is connected to the image processing module 3 and the feedback module 4 respectively. The feedback module 4 includes a travel switch and executes rejection Ma...
Example Embodiment
[0144] Example 2
[0145] A method for measuring the geometric dimensions of refractory bricks, including the following steps:
[0146] Step 1: Filter and denoise the original color image of refractory bricks to obtain the denoised image;
[0147] Step 2: In the image after noise reduction, segment the refractory brick area to obtain the refractory brick image;
[0148] Step 3: Perform morphological processing on the refractory brick image to make the edge of the refractory brick image smoothly transition, and remove the isolated noise at the edge of the refractory brick image to obtain the corrected refractory brick image;
[0149] Step 4: Use Canny operator to perform edge detection on the corrected refractory brick image;
[0150] Step 5: Use the Hough transform method and the K-means method to extract the straight line of the shape of the refractory brick to form the outer contour of the refractory brick, including the following steps:
[0151] Step 5-1: Consider a point (x, y) on the...
Example Embodiment
[0180] Example 3
[0181] In this embodiment, the refractory brick surface inclination angle measurement is performed on the basis of threshold segmentation of the refractory brick image. The acquisition of the refractory brick image, the filtering and noise reduction processing, and the segmentation of the refractory brick area are the same as the second embodiment.
[0182] The method for identifying scratches on the surface of refractory bricks based on frequency domain filtering enhancement includes the following steps:
[0183] Step 1: Filter the original color image of refractory bricks collected by the sensor to reduce noise to obtain the denoised image; in the denoised image, segment the refractory brick area to obtain the refractory brick grayscale image, such as Figure 4 Shown
[0184] Step 2: Convert the grayscale image of the refractory brick into the color image of the refractory brick, and perform channel decomposition of the color image of the refractory brick to separa...
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