Comparative analysis of NDE techniques with image processing

被引：22

作者：

Rathod, Vijay R. ^{[1
]}

Anand, R. S. ^{[1
]}

Ashok, Alaknanda ^{[2
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Roorkee 247667, Uttar Pradesh, India

[2] CSIR, Scientist F PPD, New Delhi 110001, India

来源：

NONDESTRUCTIVE TESTING AND EVALUATION | 2012年 / 27卷 / 04期

关键词：

radiographic images; weld flaws; standard NDT methods; segmentation; region-growing; morphological edge detection; multistage watershed transformation;

D O I：

10.1080/10589759.2011.645820

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The paper reports comparative results of nondestructive testing (NDT) based experimentation done on created flaws in the casting at the Central Foundry Forge Plant (CFFP) of Bharat Heavy Electrical Ltd. India (BHEL). The present experimental study is aimed at comparing the evaluation of image processing methods applied on the radiographic images of welding defects such as slag inclusion, porosity, lack-of-root penetration and cracks with other NDT methods. Different image segmentation techniques have been proposed here for identifying the above created welding defects. Currently, there is a large amount of research work going on in the field of automated system for inspection, analysis and detection of flaws in the weldments. Comparison of other NDT methods and application of image processing on the radiographic images of weld defects are aimed to detect defects reliably and to make accept/reject decisions as per the international standard.

引用

页码：305 / 326

页数：22

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