Handheld underwater 3D sensor based on fringe projection technique

Christian Bräuer-Burchardt; Matthias Heinze; Ingo Schmidt; Lichun Meng; Roland Ramm; Peter Kühmstedt; Gunther Notni

doi:10.1117/12.2184588

21 June 2015 Handheld underwater 3D sensor based on fringe projection technique

Christian Bräuer-Burchardt, Matthias Heinze, Ingo Schmidt, Lichun Meng, Roland Ramm, Peter Kühmstedt, Gunther Notni

Proceedings Volume 9528, Videometrics, Range Imaging, and Applications XIII; 952809 (2015) https://doi.org/10.1117/12.2184588
Event: SPIE Optical Metrology, 2015, Munich, Germany

Abstract

A new, handheld 3D surface scanner was developed especially for underwater use until a diving depth of about 40 meters. Additionally, the sensor is suitable for the outdoor use under bad weather circumstance like splashing water, wind, and bad illumination conditions. The optical components of the sensor are two cameras and one projector. The measurement field is about 250 mm x 200 mm. The depth resolution is about 50 μm and the lateral resolution is approximately 150 μm. The weight of the scanner is about 10 kg. The housing was produced of synthetic powder using a 3D printing technique. The measurement time for one scan is between a third and a half second. The computer for measurement control and data analysis is already integrated into the housing of the scanner. A display on the backside presents the results of each measurement graphically for a real-time evaluation of the user during the recording of the measurement data.

Citation Download Citation

Christian Bräuer-Burchardt, Matthias Heinze, Ingo Schmidt, Lichun Meng, Roland Ramm, Peter Kühmstedt, and Gunther Notni "Handheld underwater 3D sensor based on fringe projection technique", Proc. SPIE 9528, Videometrics, Range Imaging, and Applications XIII, 952809 (21 June 2015); https://doi.org/10.1117/12.2184588

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