Computer image processing technology has been widely used in ceramic product defect detection. However, there are few studies on automatic defect detection methods for ceramic products with complex surface geometry, s...
详细信息
ISBN:
(数字)9781728154145
ISBN:
(纸本)9781728154152
Computer image processing technology has been widely used in ceramic product defect detection. However, there are few studies on automatic defect detection methods for ceramic products with complex surface geometry, such as ceramic wash basins. The main difficulty is that this type of sanitary ceramic product has a complex surface, strong light reflection, and very little texture information. It is hard to find a perfect illumination to make the defects obvious. In view of the above problems, this paper proposes a defect detection method based on the neighborhood pixel gray threshold, and conducts defect detection tests on the imaging results of ceramic wash basins with cracks on the surface under general light conditions, and obtains good results.
In this paper, we propose a modified CenterNet to complete the defect detection of Sanitary Ceramics. Generally, visual quality inspection is rather important during the productive process of Sanitary Ceramics and it ...
详细信息
ISBN:
(数字)9781728154145
ISBN:
(纸本)9781728154152
In this paper, we propose a modified CenterNet to complete the defect detection of Sanitary Ceramics. Generally, visual quality inspection is rather important during the productive process of Sanitary Ceramics and it is nearly impossible to inspect the massive images by hand. Consequently, it is necessary to devise an accurate and real-time system to process the data. However, due to the varied shapes and backgrounds of ceramics, conventional computer vision methods are usually not robust to all those variables. Detectors based on Deep Learning start to be adopted in recent years, but most algorithms require some carefully devised anchor boxes and post-processing methods, which also bring more computational costs. Here we decide to take advantage of the anchor-free model, CenterNet. We change the main structure to fit our own data and introduce an extra branch with shallow layers to strengthen the feature representation. The results have shown the great power of this model. Without even any post-processing methods, our model achieves a result of 96.16 AP on the established dataset.
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