Abstract
We present a simple and accurate procedure to calibrate the pinhole parameters of a Time-of-Flight camera: the principal point \(c=(u_0, v_0)\), the focal length \(f\) and, if needed, the aspect ratio \(\tau \). Only one image of a flat surface is needed. Using the radial distances as provided by the Time-of-Flight principle, we reconstruct the pixel rows (or pixel columns) as collinear points in 3-space. Motivated by theoretical results, we claim that the correct values for \(u_0\), \(v_0\) and \(f\) can be found by an incremental procedure. In case of unknown aspect ratio, some (but few) iterations are needed.
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Communicated by Srinivasa Narasimhan.
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Penne, R., Ribbens, B. & Mertens, L. An Incremental Procedure for the Lateral Calibration of a Time-of-Flight Camera by One Image of a Flat Surface. Int J Comput Vis 113, 81–91 (2015). https://doi.org/10.1007/s11263-014-0768-7
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DOI: https://doi.org/10.1007/s11263-014-0768-7