Method for identifying number and size of wood veneer knots based on image processing
A wood veneer and image processing technology, which is applied in image data processing, image enhancement, image analysis, etc., can solve problems such as failure to address circularity, and achieve the effect of improving accuracy
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[0036] Such as figure 1 , figure 2 with image 3 As shown, the specific steps of the method for recognizing the number and size of wood veneer knots based on image processing in the present invention are as follows:
[0037] a) Firstly, image acquisition is performed on the wood veneer to be screened (the wood veneer to be screened may not have knots, or may have one or more knots) through an image acquisition device (such as a camera or a scanning device), see figure 2 , which is the original acquired image in one embodiment.
[0038] b) Convert the collected image into a grayscale image, the preferred solution is: the gray value selection formula for converting the image into a grayscale image is: Y=0.299R+0.587G+0.114B
[0039] In the formula, Y is the gray value, R is the red brightness value, G is the green brightness value, and B is the blue brightness value.
[0040] c) calculate the one-dimensional maximum entropy of the grayscale picture obtained in the step ab...
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