Rapid high-precision defect detection method based on visual image
A defect detection and visual image technology, applied in image analysis, image data processing, instruments, etc., can solve the problems of complex calibration process, complex alignment process, complex calibration algorithm logic, etc., and achieve a wide range of application scenarios and wide application value. Effect
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[0059]The present invention will be described in detail below in conjunction with examples. In order to make the objectives, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below, but the present invention is not limited to these embodiments.
[0060]The fast and high-precision defect detection method based on visual images of the present invention includes the following steps: fast and high-precision positioning of reference reference objects and collection of high-precision images, creation of matching templates, and determination of detection areas; fast and high-precision positioning and collection of objects to be measured The high-precision image, the reference area image and the image of the area to be tested are compared, and the abnormal area is extracted and the abnormal area feature extraction and screening are performed.
[0061]The high-precision positioning includes two aspects: one is...
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