A texture surface defect detection method and system based on anomaly synthesis and decomposition
A defect detection, textured surface technology, applied in the field of image processing, can solve problems such as difficult to solve, inapplicable, inability to detect low contrast, etc., to achieve the effect of improving reconstruction accuracy, improving defect detection accuracy, and improving defect detection rate
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[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but 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 there is no conflict with each other.
[0035] Abnormal negative sample image I n Decomposable to flawless textured background I p with anomalous 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 the image width and height, respectively, in this study are 256 pixels, x=1,...,W,y=1,...,H. I...
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