Multi-path compensation using multiple modulation frequencies in time of flight sensor
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Sep 5, 2017
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Jul 25, 2011
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Jul 23, 2010
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Abstract
A method to compensate for multi-path in time-of-flight (TOF) three dimensional (3D) cameras applies different modulation frequencies in order to calculate/estimate the error vector. Multi-path in 3D TOF cameras might be caused by one of the two following sources: stray light artifacts in the TOF camera systems and multiple reflections in the scene. The proposed method compensates for the errors caused by both sources by implementing multiple modulation frequencies.
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