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Coincidence in SPAD-based time-of-flight sensors

 
: Beer, Maik; Schrey, Olaf; Hosticka, Bedrich J.; Kokozinski, Rainer

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PRIME 2017, 13th Conference on Ph.D. Research in Microelectronics and Electronics. Conference proceedings : 12th - 15th of June 2017, Giardini Naxos - Taormina, Italy; 14th International Conference on Synthesis, Modeling, Analysis, and Simulation Methods and Applications to Circuit Design, SMACD 2017
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5090-5051-2
ISBN: 978-1-5090-6507-3
ISBN: 978-1-5090-6508-0
ISBN: 978-1-5090-6509-7 (Print)
S.381-384
Conference on Ph.D. Research in Microelectronics and Electronics (PRIME) <13, 2017, Taormina>
International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) <14, 2017, Taormina>
Englisch
Konferenzbeitrag
Fraunhofer IMS ()
photon coincidence; SPAD; time-of-flight (TOF); range imaging

Abstract
High ambient illumination reduces the range and target detection reliability in light-based 3D sensors. Raising the optical power of the artificial illumination source to overcome the influence of high ambient light is often not possible for systems with flash illumination due to eye safety constraints. The high timing resolution of single-photon avalanche diodes enables the search for photon concurrences in incident photon streams. In this paper a theoretical analysis of coincidence and its benefits for 3D sensors with single-photon avalanche diodes is presented.

: http://publica.fraunhofer.de/dokumente/N-456168.html