Enhanced image processing for infrared non-destructive testing

被引:20
作者
Lopez, F. [1 ]
Maldague, X. [2 ]
Ibarra-Castanedo, C. [2 ]
机构
[1] Univ Fed Santa Catarina, Dept Mech Engn, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Laval, Elect & Comp Engn Dept, Quebec City, PQ G1K 704, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
pulsed thermography; infrared image processing; composites materials; partial east squares regression;
D O I
10.2478/s11772-014-0202-2
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a review and in-depth analysis of three of the most popular techniques for processing PT images: differential absolute contrast, thermographic signal reconstruction and pulsed phase thermography. The fundamental concepts of the three techniques are reviewed and their application on thermal data obtained from the PT inspection on a carbon fibre reinforced specimen is analysed. Furthermore, a new promissory technique based on multivariate statistical analysis is also introduced and evaluated. The performance of the techniques is evaluated in terms of the signal-to-noise ratio at maximum signal contrast.
引用
收藏
页码:245 / 251
页数:7
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