Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Rail Deterioration Detection Method using Image Spectral Analysis
Yosuke TSUBOKAWAJun MIZUTANITomoyuki ISHIKAWA
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2021 Volume 62 Issue 2 Pages 124-129

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Abstract

Since many Railway facilities are visually inspected, the use of camera images is being encouraged to improve inspection efficiency. A hyperspectral camera can acquire two-dimensional spatial information of a photographed object and spectral information spectroscopically divided into several dozens or more wavelengths. Using this camera, we expect to be able to capture changes in materials that are difficult to detect visually, from changes in wavelength distribution and intensity of specific wavelengths. This paper describes a basic test applying the proposed method using a hyperspectral camera for detecting rail deterioration, and reports on the obtained results.

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© 2021 by Railway Technical Research Institute
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