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Proceedings 2017, 1(4), 287; doi:10.3390/proceedings1040287

Simulating Rain Droplets Influence on Distance Measurement with a Time-of-Flight Camera Sensor

1
CTR Carinthian Tech Research AG, Villach, Austria
2
Infineon Technologies Austria AG, Graz, Austria
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 29 August 2017
Download PDF [5991 KB, uploaded 11 October 2017]

Abstract

Time-of-Flight (ToF) camera sensors measure simultaneously the light intensity and the scene distance on a pixel basis. Environmental effects, like rain droplets between the scene and the ToF camera, have an impact on the distance accuracy of the sensor. Optical raytracing simulations were performed to study rain influence in detail. The 3D simulation setup comprises all relevant elements including the sensor design, the object/scene geometry and a model for the environmental conditions. Specifically, a setup with small-angle ToF camera optics is investigated and a comparison of the influence of several typical rain intensities is presented. The simulation results serve as an input for developing error-compensation algorithms.
Keywords: Time-of-Flight; ToF; automotive sensor; optical simulations; accuracy; rain droplets; environmental influence Time-of-Flight; ToF; automotive sensor; optical simulations; accuracy; rain droplets; environmental influence
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Baumgart, M.; Dielacher, M.; Druml, N.; Consani, C. Simulating Rain Droplets Influence on Distance Measurement with a Time-of-Flight Camera Sensor. Proceedings 2017, 1, 287.

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