Automatic Segmentation by the Method of Interval Fusion with Preference Aggregation When Recognizing Weld Defects

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING Russian Journal of Nondestructive Testing Pub Date : 2024-02-20 DOI:10.1134/S1061830923600855
S. V. Muravyov, D. C. Nguyen
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Abstract

Quality control in welding is usually carried out during the visual inspection process and is highly dependent on an operator experience. In this paper, an approach to automatic detection and classification of a defective region is proposed, in which the segmentation of the analyzed photographic image of a weld (i.e., its division into defective and defect-free regions) is performed using the region growing procedure. The starting points for this procedure are selected by the authors’ robust method of interval fusion with preference aggregation (IF&PA) on the base of image histogram analysis. Testing the proposed approach for real life photographic images showed its ability to detect different types of weld defects with higher accuracy compared to traditional methods, such as the Otsu method and k-means.

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在识别焊缝缺陷时,使用带偏好聚合的区间融合法进行自动分段
摘要 焊接质量控制通常是在视觉检测过程中进行的,并且高度依赖于操作员的经验。本文提出了一种自动检测和分类缺陷区域的方法,其中使用区域生长程序对分析后的焊接摄影图像进行分割(即分为缺陷区域和无缺陷区域)。该程序的起点由作者在图像直方图分析的基础上,采用区间融合与偏好聚合(IF&PA)的稳健方法进行选择。对现实生活中的照片图像进行的测试表明,与大津法和 k-means 等传统方法相比,所提出的方法能够更准确地检测出不同类型的焊接缺陷。
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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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