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    Photothermal radiometric detection and imaging of surface cracks

    This paper discusses surface crack detection by photothermal radiometric imaging (PRI). In PRI, also called dynamic infrared scanning, a surface is scanned with a spot of heat. Imperfections are detected by ra...

    Irving Kaufman, Pan-Tze Chang, Hsueh-Shun Hsu… in Journal of Nondestructive Evaluation (1987)