Research on Visual Detection Method of Flange Surface Defects
In view of the problems of low efficiency,great influence of manual experience and subjective factors and low accuracy in the traditional visual inspection of flange surface defects,a visual inspection method for flange surface defects based on Bolb analysis was proposed.Firstly,according to the characteristics of the gray histogram of the flange image,Use Otsu method(Otsu)and Bolb analysis method to achieve image segmentation.Secondly,analyze the gray difference,defect shape and posi-tion between the defect area on the flange surface and the normal area,divide the flange surface into two areas to be inspected ac-cording to the defect type,and design algorithms for defect inspection respectively.The experimental results show that the proposed method has good stability and can accurately and quickly identify the flange surface defect area,and the accuracy rate can reach 97.7%.
万方数据
维普
