5 October 2017 UTOFIA: an underwater time-of-flight image acquisition system
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In this article the development of a newly designed Time-of-Flight (ToF) image sensor for underwater applications is described. The sensor is developed as part of the project UTOFIA (underwater time-of-flight image acquisition) funded by the EU within the Horizon 2020 framework. This project aims to develop a camera based on range gating that extends the visible range compared to conventional cameras by a factor of 2 to 3 and delivers real-time range information by means of a 3D video stream.

The principle of underwater range gating as well as the concept of the image sensor are presented. Based on measurements on a test image sensor a pixel structure that suits best to the requirements has been selected. Within an extensive characterization underwater the capability of distance measurements in turbid environments is demonstrated.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Adrian Driewer, Adrian Driewer, Igor Abrosimov, Igor Abrosimov, Jonathan Alexander, Jonathan Alexander, Marc Benger, Marc Benger, Marion O'Farrell, Marion O'Farrell, Karl Henrik Haugholt, Karl Henrik Haugholt, Chris Softley, Chris Softley, Jens T. Thielemann, Jens T. Thielemann, Jostein Thorstensen, Jostein Thorstensen, Chris Yates, Chris Yates, } "UTOFIA: an underwater time-of-flight image acquisition system", Proc. SPIE 10434, Electro-Optical Remote Sensing XI, 1043404 (5 October 2017); doi: 10.1117/12.2277944; https://doi.org/10.1117/12.2277944

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