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Peak detection approaches for time-correlated single-photon counting three-dimensional lidar systems
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Paper Abstract

Time-correlated single-photon counting lidar provides very high-resolution range measurements, making the technology interesting for 3D imaging of objects behind foliage or other obscuration. We study six peak detection approaches and compare their performance from several perspectives: detection of double surfaces within the instantaneous field of view, range accuracy, performance under sparse sampling, and the number of outliers. The results presented are based on reference measurements of a characterization target. Special consideration is given to the possibility of resolving two surfaces closely separated in range within the field of view of a single pixel. An approach based on fitting a linear combination of impulse response functions to the collected data showed the best overall performance.

Paper Details

Date Published: 13 February 2018
PDF: 9 pages
Opt. Eng. 57(3) 031306 doi: 10.1117/1.OE.57.3.031306
Published in: Optical Engineering Volume 57, Issue 3
Show Author Affiliations
Gustav Tolt, FOI-Swedish Defence Research Agency (Sweden)
Christina Grönwall, FOI-Swedish Defence Research Agency (Sweden)
Linköping Univ. (Sweden)
Markus Henriksson, FOI-Swedish Defence Research Agency (Sweden)

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