Calibrating a Structured Light Stripe System: A Novel Approach
International Journal of Computer Vision
Fast acquisition of dense depth data by a new structured light scheme
Computer Vision and Image Understanding
Fast acquisition of dense depth data by a new structured light scheme
Computer Vision and Image Understanding
3D reconstruction of specular surfaces using a calibrated projector–camera setup
Machine Vision and Applications
Calibration of a robot-based measuring system
ROBIO'09 Proceedings of the 2009 international conference on Robotics and biomimetics
A computer vision sensor for panoramic depth perception
IbPRIA'05 Proceedings of the Second Iberian conference on Pattern Recognition and Image Analysis - Volume Part I
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We present in this paper a novel calibration method that uses cross ratio to 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 image to-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 to many shape measurement tasks.