A combined approach of self-referencing and Principle Component Thermography for transient, steady, and selective heating scenarios

MA Omar, R Parvataneni, Y Zhou - Infrared physics & technology, 2010 - Elsevier
Proposed manuscript describes the implementation of a two step processing procedure,
composed of the self-referencing and the Principle Component Thermography (PCT). The …

Structured iterative alternating sparse matrix decomposition for thermal imaging diagnostic system

L Liu, B Gao, S Wu, J Ahmed, WL Woo, J Li… - Infrared Physics & …, 2020 - Elsevier
In this paper, we propose a structured iterative alternating sparse matrix decomposition to
efficiently decompose the input multidimensional data from active thermography into the …

A multi-technique nondestructive approach for characterizing the state of conservation of ancient bookbindings

S Sfarra, M Regi, M Tortora, C Casieri, S Perilli… - Journal of Thermal …, 2018 - Springer
The aim of this work is to evaluate the potentiality of a multi-technique nondestructive
approach for characterizing the state of conservation of precious bookbindings. In particular …

[PDF][PDF] 物体内部缺陷无损检测技术综述

伍小燕, 于瀛洁, 吕丽军 - Laser & Optoelectronics Progress, 2013 - researching.cn
摘要物体内部缺陷是指表面以下的裂纹, 杂质, 疲劳损伤以及腐蚀, 此类缺陷因具有隐蔽性而严重
影响产品质量和运行安全. 以光学元件和飞机叶片为例, 分析内部缺陷形成机理和形貌特征 …

Solving the inverse heat conduction problem in using long square pulse thermography to estimate coating thickness by using SVR models based on restored pseudo …

H Wang, SJ Hsieh - Journal of Nondestructive Evaluation, 2018 - Springer
This research develops a method to estimate opaque coating thickness based on time-and-
space-resolved thermography. Thermography is a viable technique for measuring coating …

Comparative defect evaluation of aircraft components by active thermography

G Zauner, G Mayr, G Hendorfer - Image Processing: Machine …, 2009 - spiedigitallibrary.org
Active Thermography has become a powerful tool in the field of non-destructive testing
(NDT) in recent years. This infrared thermal imaging technique is used for non-contact …

[PDF][PDF] Subsurface defect characterization in pulsed phase thermography by means of wavelet analysis

G Zauner, G MAYR… - … Symposium on NDT in …, 2010 - 2010.ndt-aerospace.com
Active thermography, in particular Pulse Thermography (PT), is a nondestructive testing
method for subsurface defect detection and material characterization. The measurement …

Coating thickness measurements and defect characterization in non-metallic composite materials by using thermography

H Wang - 2016 - oaktrust.library.tamu.edu
Thermography is a non-destructive testing method (NDT), which is widely used to guarantee
the quality of non-metallic materials, such as carbon fiber composite, anti-reflection (AR) film …

Theoretical and Experimental Study on Nondestructive Pulse Phase Infrared Thermography Testing Technology

QJ Tang, JY Liu, Y Wang - Advanced Materials Research, 2011 - Trans Tech Publ
The non-destructive pulsed phase thermography technique was used to detect metal
specimen with flat blind-bottom holes and composite specimen with sticky areas. An …

[PDF][PDF] Detection of incipient defects in book bindings. A functional use of the infrared vision combined with optical and nuclear magnetic resonance (NMR) …

S Sfarra, M Tortora, M Regi, C Casieri, S Perilli… - qirt.gel.ulaval.ca
In this study, an ancient book dating back 1822 was inspected by infrared thermography
method, working in the active modality. Data was processed by different techniques in order …