STUDY ON IMPROVEMENT METHOD FOR INFRARED THERMOGRAPHY CONSIDERING SURFACE COLOR VALUES

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  • FUJIMORI Shigeru
    Daido Institute of Technology:Graduate School of Environmental Studies, Nagoya Univ.
  • KUROKAWA Yoshiyuki
    Dept. of Environmental Engineering and Architecture, Graduate School of Environmental Studies, Nagoya Univ.
  • TANIGAWA Yasuo
    Dept. of Architecture, Faculty of Science and Technology, Meijo Univ.

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  • 表面色を考慮した赤外線サーモグラフィ画像の補正方法に関する研究
  • ヒョウメンショク オ コウリョ シタ セキガイセン サーモグラフィ ガゾウ ノ ホセイ ホウホウ ニ カンスル ケンキュウ

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Abstract

In this study, in order to improve the detection accuracy of defective parts in the wall by infrared thermography, surface color and dirts on the wall are quantified as the color values and spectral absorption obtained from the digital image. Furthermore, correcting method of the infrared thermography image by the surface color value is investigated. According to the results, the thermal difference of surface of wall by inner deffect is in good correlation with the spectral absorption, and it is clarified that it is possible to correct the infrared thermographic image by the analysis with spectral absorption obtained from the digital image.

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