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Jens T Thielemann

Senior Research Scientist

Jens T Thielemann

Senior Research Scientist

Jens T Thielemann
Phone: 930 59 299
Email: Jens.T.Thielemann@sintef.no
Unit: SINTEF Digital
Department: Smart Sensor Systems
Office: Oslo
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Publications and responsibilities

Publication

Adaptive Multi-Frequency Phase Stepping for Optimal 3D Depth Reconstruction

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1681035

This paper describes a 3D measurement algorithm based on Multi-Frequency Phase Stepping, using a single period pattern and a higher frequency pattern. An experimentally verified analytical expression for depth precision enables adaptive selection of the high frequency. The algorithm has several adva...

Authors Thorstensen Jostein Bruun Thielemann Jens T
Year 2018
Type Conference lecture and academic presentation
Publication

Range-gated imaging system for underwater monitoring in ocean environment

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1648129

High-quality video observations are very much needed in underwater environments for the monitoring of several ecosystem indicators and to support the sustainable development and management of almost all activities in the ocean. Reliable video observations are however challenging to collect, because ...

Authors Mariani Patrizio Quincoces Inaki Haugholt Karl Henrik Chardard Yves Visser André W. Yates Chris Piccino Giuliano Reali Giancarlo Risholm Petter Thielemann Jens T
Year 2018
Type Journal publication
Publication

Real-time super-resolved 3D in turbid water using a fast range-gated CMOS camera

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1620929

We present a range-gated camera system designed for real-time (10 Hz) 3D estimation underwater. The system uses a fast-shutter CMOS sensor (1280×1024 1280×1024 ) customized to facilitate gating with 1.67 ns (18.8 cm in water) delay steps relative to the triggering of a solid-state actively...

Authors Risholm Petter Thorstensen Jostein Bruun Thielemann Jens T Kaspersen Kristin Tschudi Jon Yates Chris Softley Chris Abrosimov Igor Alexander Jonathan Haugholt Karl Henrik
Year 2018
Type Journal publication
Publication

UTOFIA - an underwater time-of-flight imaging acquisition system

https://www.sintef.no/en/publications/publication/?pubid=CRIStin+1567223

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...

Authors Driewer Adrian Abrasimov Igor Alexander Jonathan Benger Marc O'Farrell Marion Haugholt Karl Henrik Softley Chris Thielemann Jens T Thorstensen Jostein Bruun Yates Chris
Year 2017
Type Journal publication
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