31 March 1998 Automation of the image analysis for thermographic inspection
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Several data processing procedures for the pulse thermal inspection require preliminary determination of an unflawed region. Typically, an initial analysis of the thermal images is performed by an operator to determine the locations of unflawed and the defective areas. In the present work an algorithm is developed for automatically determining a reference point corresponding to an unflawed region. Results are obtained for defects which are arbitrarily located in the inspection region. A comparison is presented of the distributions of derived values with right and wrong localization of the reference point. Different algorithms of automatic determination of the reference point are compared.
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Yuri A. Plotnikov, Yuri A. Plotnikov, William P. Winfree, William P. Winfree, } "Automation of the image analysis for thermographic inspection", Proc. SPIE 3397, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware II, (31 March 1998); doi: 10.1117/12.305044; https://doi.org/10.1117/12.305044

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