Model-based Image Processing in Eddy Current Nondestructive Evaluation

被引：3
|
作者：
Aldrin, John C. [1 ]
Knopp, Jeremy S. [2 ]
Blodgett, Mark P. [2 ]
机构：
[1] Computat Tools, Gurnee, IL 60031 USA
[2] US Air Force, Res Lab, Rome, NY USA
来源：
ELECTROMAGNETIC NONDESTRUCTIVE EVALUATION (XIII) | 2010年 / 33卷
关键词：
cracks; eddy current; image processing; inverse method; modeling; CURRENT INSPECTION; DEFECT DETECTION;
D O I：
10.3233/978-1-60750-554-9-254
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
To improve the ability of eddy current nondestructive evaluation to characterize fatigue cracks in multilayer structures, a model-based image processing approach is presented that fits models based on first-principles to image data. Model refinements are presented that address edge responses, error associated with adjacent holes and poor hole centering due to cracks. Using this approach, improvements are demonstrated in the visual presentation of image data for crack detection and the potential for characterization.
引用
收藏
页码：254 / 261
页数：8
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