Abstract:

Surface inspection plays an important role in industrial production of product quality control, but the existing methods for the detection of magnetic material surface mark defects have their own limitations. The existing methods are too expensive and too slow to meet the needs of realtime detection in industrial production. In order to achieve the realtime and robust detection of surface mark defects, we propose a method in this paper based on the texture feature, which  makes the various defects have unity by enhancing the defective parts and inhibiting the background parts after image preprocessing. Then we detect surface mark defects by designing a suitable mask. The method proposed in this paper achieves the detection of surface mark defects. The experimental results show that it can be done in a realtime way and is useful for a variety of defects.

Key words: texture feature;detection of surface mark defects;image processing;realtime