Study of single photon counting for non-line-of-sight vision

Martin Laurenzis; Frank Christnacher; Jonathan Klein; Matthias B. Hullin; Andreas Velten

doi:10.1117/12.2179559

13 May 2015 Study of single photon counting for non-line-of-sight vision

Martin Laurenzis, Frank Christnacher, Jonathan Klein, Matthias B. Hullin, Andreas Velten

Proceedings Volume 9492, Advanced Photon Counting Techniques IX; 94920K (2015) https://doi.org/10.1117/12.2179559
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

The application of non-line-of-sight vision has been demonstrated in the recent past on laboratory level with round trip path lengths on the scale of 1 m as well as 10 m. This method uses a computational imaging approach to analyze the scattered information of objects which are hidden from the direct sensor field of view. In the present work, the authors evaluate the application of recent single photon counting devices for non-line-of-sight sensing and give predictions on range and resolution. Further, the realization of a concept is studied enabling the indirect view on a hidden scene. Different approaches based on ICCD and GM-APD or SPAD sensor technologies are reviewed. Recent laser gated viewing sensors have a minimal temporal resolution of around 2 ns due to sensor gate widths. Single photon counting devices have higher sensitivity and higher temporal resolution.

Citation Download Citation

Martin Laurenzis, Frank Christnacher, Jonathan Klein, Matthias B. Hullin, and Andreas Velten "Study of single photon counting for non-line-of-sight vision", Proc. SPIE 9492, Advanced Photon Counting Techniques IX, 94920K (13 May 2015); https://doi.org/10.1117/12.2179559

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