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Accuracy Performance of a Time-of-Flight CMOS Range Image Sensor System

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4 Author(s)
Leonardi, F. ; Dept. of Inf. Eng. & Comput. Sci., Univ. of Trento, Trento ; Covi, Daniele ; Petri, D. ; Stoppa, D.

This paper analyzes the performance of an indirect time-of-flight (ITOF) complementary metal-oxide semiconductor (CMOS) range image sensor. A number of experiments were performed to measure the actual performance of the system under test and to highlight its strength and weak points, with a focus on which limits are related to the design and which are intrinsic in the operating principle. The evaluated system allows fast and accurate measurements, but pixel-level calibration is needed to achieve high accuracy over the whole image. Simple temporal or spatial filtering allows a significant reduction in the measurement uncertainty.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:58 ,  Issue: 5 )