Processing of infrared thermography images in pulsed-heating infrared thermography non-destructive testing

被引：2
|
作者：
Tang, HJ [1 ]
Ding, TY [1 ]
Xue, SW [1 ]
Zong, MC [1 ]
机构：
[1] No Jiaotong Univ, Dept Appl Phys, Beijing 100044, Peoples R China
来源：
AUTOMATED OPTICAL INSPECTION FOR INDUSTRY: THEORY, TECHNOLOGY, AND APPLICATIONS II | 1998年 / 3558卷
关键词：
infrared thermography; non-destructive testing; resolution;
D O I：
10.1117/12.318357
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the infrared thermography non-destructive testing, image blurring introduced by noises and heat diffusion in the sample is an important problem. In this paper, a serial of image processing methods are proposed to eliminate the influence caused by noises and heat diffusion. By use of these methods, image averaging, median-value, binarizition and gradient alternation have been done. The processed images' characteristics are clear, and the error of detesting is smaller than 5%. It is showed that the technique can effectively remove the blurring in images, improve image resolution and give us distinct images that meet the need of infrared thermography non-destructive testing technology.
引用
收藏
页码：587 / 590
页数：4
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