3D reconstruction for pipe-shaped object using an omnidirectional camera and a spherical mirror

Yuya Hiruta; Chun Xie; Yutaka Odawara; Keita Matsuo; Youhei Kawamura; Itaru Kitahara

doi:10.1117/12.3018241

2 May 2024 3D reconstruction for pipe-shaped object using an omnidirectional camera and a spherical mirror

Yuya Hiruta, Chun Xie, Yutaka Odawara, Keita Matsuo, Youhei Kawamura, Itaru Kitahara

Proceedings Volume 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024; 131640Y (2024) https://doi.org/10.1117/12.3018241
Event: International Workshop on Advanced Imaging Technology (IWAIT) 2024, 2024, Langkawi, Malaysia

Abstract

Micro tunnel excavation is limited to straight paths due to size constraints that prevent human entry through the jacking pipes. A compact, wide-angle system enables the measurement of enclosed spaces with complex paths. This paper proposes a 3D estimation method using a catadioptric imaging system, which consists of an omnidirectional camera and a single spherical mirror, to capture monocular images without relying on training data. The applicability of our method is demonstrated by measuring the geometry of a pipe designed to imitate a propulsion pipe used in tunnel excavation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuya Hiruta, Chun Xie, Yutaka Odawara, Keita Matsuo, Youhei Kawamura, and Itaru Kitahara "3D reconstruction for pipe-shaped object using an omnidirectional camera and a spherical mirror", Proc. SPIE 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024, 131640Y (2 May 2024); https://doi.org/10.1117/12.3018241

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KEYWORDS

Mirrors

Cameras

Imaging systems

Reflection

3D image processing

Combined lens-mirror systems

Pipes

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