Calibration of a Structured Light System: A Projective Approach
نویسنده
چکیده
We present in this paper a novel calibration method that uses cross ratio t o compute world points falling onto any given light stripe plane of a structured light system. We show that, by using 4 known non-coplanar sets of 3 collinear world points, the direct 4 x 3 imageto-world transformation matrix for each light stripe plane can also be recovered from plane-to-plane homography. Preliminary experiments conducted with a calibration target and a mannequin suggest that this novel calibration method is robust and is applicable t o many shape measurement tasks.
منابع مشابه
Investigation on Calibration Problem
In this puper, we treat the calibraitim probla in tens of projective geaelry. The projective essences of caaera calibration and calibral ing active 30 visio~~ systm c m p o s d of a camera and a plane structured light source are discussed. And based a r the tlreoras in projective gemel ry. the necessary and sufficient conditions for solving these calibration problms have been given nnd proval. ...
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