13 February 2018 Peak detection approaches for time-correlated single-photon counting three-dimensional lidar systems
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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.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Gustav Tolt, Gustav Tolt, Christina Grönwall, Christina Grönwall, Markus Henriksson, Markus Henriksson, "Peak detection approaches for time-correlated single-photon counting three-dimensional lidar systems," Optical Engineering 57(3), 031306 (13 February 2018). https://doi.org/10.1117/1.OE.57.3.031306 . Submission: Received: 1 September 2017; Accepted: 16 January 2018
Received: 1 September 2017; Accepted: 16 January 2018; Published: 13 February 2018
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