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Article

Optimal Material Search for Infrared Markers under Non-Heating and Heating Conditions

1
Graduate School of Information Science and Technology, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8656, Japan
2
Information Technology Center, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8656, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Dragan Indjin
Sensors 2021, 21(19), 6527; https://doi.org/10.3390/s21196527
Received: 28 August 2021 / Revised: 21 September 2021 / Accepted: 24 September 2021 / Published: 29 September 2021
(This article belongs to the Section Sensing and Imaging)
Research on optimal markers for infrared imaging and differences in their characteristics in the presence of heat sources has not yet been performed. This study investigates optimal material combinations for developing an accurate and detachable infrared marker for multiple conditions in the medium wave infrared (MWIR) region. Based on four requirements, 11 material combinations are systematically evaluated. Consequently, the optimal marker differs in relation to the presence of specular reflection components. Metal–insulator markers are suitable under non-heating and hot-air heating conditions without reflection components, although a printed marker made of copier paper is captured more clearly than metal–insulator markers during heating, using an optical radiation heating source with reflection components. Our findings can be applied in structural health monitoring and multi-modal projection involving heat sources. View Full-Text
Keywords: infrared markers; heat sources; specular reflection; infrared imaging infrared markers; heat sources; specular reflection; infrared imaging
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MDPI and ACS Style

Kubota, Y.; Ke, Y.; Hayakawa, T.; Moko, Y.; Ishikawa, M. Optimal Material Search for Infrared Markers under Non-Heating and Heating Conditions. Sensors 2021, 21, 6527. https://doi.org/10.3390/s21196527

AMA Style

Kubota Y, Ke Y, Hayakawa T, Moko Y, Ishikawa M. Optimal Material Search for Infrared Markers under Non-Heating and Heating Conditions. Sensors. 2021; 21(19):6527. https://doi.org/10.3390/s21196527

Chicago/Turabian Style

Kubota, Yuki, Yushan Ke, Tomohiko Hayakawa, Yushi Moko, and Masatoshi Ishikawa. 2021. "Optimal Material Search for Infrared Markers under Non-Heating and Heating Conditions" Sensors 21, no. 19: 6527. https://doi.org/10.3390/s21196527

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