Quantified, Interactive Simulation of AMCW ToF Camera Including Multipath Effects.
Quantified, Interactive Simulation of AMCW ToF Camera Including Multipath Effects.
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DOI:
10.3390/s18010013
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发表时间:
2017-12-22
期刊:
影响因子:
--
通讯作者:
Kolb A
中科院分区:
文献类型:
--
作者:
Bulczak D;Lambers M;Kolb A
In the last decade, Time-of-Flight (ToF) range cameras have gained increasing popularity in robotics, automotive industry, and home entertainment. Despite technological developments, ToF cameras still suffer from error sources such as multipath interference or motion artifacts. Thus, simulation of ToF cameras, including these artifacts, is important to improve camera and algorithm development. This paper presents a physically-based, interactive simulation technique for amplitude modulated continuous wave (AMCW) ToF cameras, which, among other error sources, includes single bounce indirect multipath interference based on an enhanced image-space approach. The simulation accounts for physical units down to the charge level accumulated in sensor pixels. Furthermore, we present the first quantified comparison for ToF camera simulators. We present bidirectional reference distribution function (BRDF) measurements for selected, purchasable materials in the near-infrared (NIR) range, craft real and synthetic scenes out of these materials and quantitatively compare the range sensor data.
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