Multi-scale presswork defect detecting method based on random forest
A technology of defect detection and random forest, which is applied in image data processing, instruments, calculations, etc., to achieve the effects of fast calculation speed, simplified calculation and rapid detection
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[0034] The invention is a random forest-based multi-scale defect detection method for printed matter. A certain number of qualified printed matter images that have been aligned are input to form a training sample. After the setting of the detection area, the generation of defect detection points and the multi-scale representation of the training sample image , Collect its cross-channel binary features for each defect detection point at each scale, and then train the random forest to generate a random forest defect detection model for each defect detection point at multiple scales; after having the model, given For the test image, first generate a multi-scale representation, and then apply the trained random forest defect detection model at each scale to judge whether there is a defect at the defect detection point, and perform multi-scale screening and synthesis of the defect detection point, and finally generate the detection effect .
[0035] Below in conjunction with embodi...
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