CONFERENCE PROCEEDINGS
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Yuka Hiruma
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Publications (5)
Proceedings Article | 9 May 2024 Presentation + Paper
Thick crack width calculating method using chalk-marks in low-contrast 2D images acquired during high-speed traveling
Yushi Moko, Tomohiko Hayakawa, Yuka Hiruma, Yushan Ke, Yuriko Ezaki, Yoshimasa Onishi, Masatoshi Ishikawa
Proceedings Volume 12952, 1295204 (2024) https://doi.org/10.1117/12.3011161
KEYWORDS: Inspection, Cameras, Light sources and illumination, Detection and tracking algorithms, Algorithm development, Visual inspection, Structural health monitoring, Imaging systems, Image processing
Proceedings Article | 12 March 2024 Presentation + Paper
Label-free position tracking in stuffed sparrow using phosphorescence
Tomohiko Hayakawa, Yuka Hiruma, Yushi Moko, Yushan Ke, Masatoshi Ishikawa
Proceedings Volume 12854, 1285403 (2024) https://doi.org/10.1117/12.3005317
KEYWORDS: Optical tracking, Phosphorescence, Organisms, Organic materials, Laser irradiation, Cameras, Biological samples, Semiconductor lasers
Proceedings Article | 15 February 2024 Paper
Active thermal marker using thermal images of heated areas with visible semiconductor laser
Tomohiko Hayakawa, Yuka Hiruma, Yushan Ke, Masatoshi Ishikawa
Proceedings Volume 13069, 130690B (2024) https://doi.org/10.1117/12.3023230
KEYWORDS: Laser irradiation, Laser marking, Thermography, Thermal imaging cameras, Semiconductor lasers, Motion detection, Spatial resolution, Mirrors, Galvanometers
Proceedings Article | 28 April 2023 Presentation + Paper
Silk-printed retroreflective markers for infrastructure-maintenance vehicles in curved tunnels
Yushan Ke, Yushi Moko, Yuka Hiruma, Tomohiko Hayakawa, Elgueta Scarlet, Masatoshi Ishikawa
Proceedings Volume 12483, 124830M (2023) https://doi.org/10.1117/12.2656420
KEYWORDS: Motion blur, Printing, Inspection, Light sources and illumination, Cameras, Deformation, 3D modeling, Ultraviolet radiation, Emulsions, Sensors, Detector development
Proceedings Article | 18 April 2022 Presentation + Paper
Silk-printed retroreflective markers for infrastructure-maintenance vehicles in tunnels
Yushan Ke, Yushi Moko, Yuka Hiruma, Tomohiko Hayakawa, Masatoshi Ishikawa
Proceedings Volume 12046, 120460C (2022) https://doi.org/10.1117/12.2611990
KEYWORDS: Printing, Inspection, Light sources and illumination, Photography, Cameras, Sensors, Retroreflectors
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