Artificial Intelligence and Robotics pp 183-191 | Cite as
Global Calibration of Multi-camera Measurement System from Non-overlapping Views
Abstract
Global calibration has direct influence on measurement accuracy of multi-camera system. The present calibration methods are hard to be applied in field calibration for the usage of complicated structures with accurate geometric or simple parts requiring overlapping view field of the system. Aiming at these problems, a new method is proposed in this paper by using two fixed plane targets with invariable pose. Objective functions are established according to constantness of the distance between original points and the axis angles of the plane targets, and nonlinear optimization is improved by means of Rodrigues transform. An apparatus is manufactured for real calibration experiments, and results verify the effectively and reliability of the method.
Keywords
Multi-camera Calibration Rodrigues Measurement Plane targetNotes
Acknowledgements
This work is partially supported by the Hunan Provincial Natural Science Foundation(No: 2015JJ5009), and the National Nature Science Foundation of China(No: 51405154, No: 51275169).
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