Texture surface defect detection method and system based on abnormal synthesis and decomposition
A defect detection and textured surface technology, applied in the field of image processing, can solve problems such as inapplicable, difficult to solve, and inability to detect low contrast, so as to improve the reconstruction accuracy, improve the defect detection accuracy, and improve the defect detection rate.
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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0035] Abnormal Negative Image I n Decomposable for flawless textured background I p with exception image I a The assumptions are expressed as follows:
[0036] I n (x,y)=I b (x,y)·I p (x,y)+I a (x,y)·I f (x,y) (0-1)
[0037] Among them, I n , I p , I b , I a , I f ∈ R W×H×1 , W, H represent image width and height respectively, both are 256 pixels in this study, x=1,...,W, y=1,...,H...
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