An Energy Formulation for Establishing the Correspondence Used in Projector Calibration

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ConferenceThe Proceedings of the Fourth International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), June 18-20, 2008., Atlanta, Georgia, USA
AbstractProjector-camera systems are used in many applications that need geometric calibration of the projectors. As is the case for cameras, calibration of a projector requires the establishment of the correspondence between known features of a calibration target and the projector pixels. However, a fundamental difference is that the method must rely on external sensors (i.e. cameras) for its calibration. This introduces additional sources of error that affect the accuracy of the projector calibration. As a solution, we propose a multicamera energy-based approach for establishing the correspondence between the projector and a calibration target. Performing projector calibration using the correspondence obtained by our method allows a significant improvement in accuracy. We demonstrate the validity of our approach using off-the-shelf and low cost equipment, and validate the results using a laser tracker.
Publication date
AffiliationNRC Institute for Information Technology; National Research Council Canada
Peer reviewedNo
NRC number50357
NPARC number5764719
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Record identifieraeab7380-72ab-4161-b273-f725937d16b3
Record created2009-03-29
Record modified2016-05-09
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