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Self recalibration of a structured light vision system from a single view

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2 Author(s)
Chen, S.Y. ; Dept. of Manuf. Eng. & Eng. Manage., City Univ. of Hong Kong, Kowloon, China ; Li, Y.F.

Structured-light system is widely used for reconstructing 3D objects in machine vision. One of the major tasks in establishing such a system is the laborious and tedious calibration of the sensors. This paper presents a new method which dynamically calibrates the system automatically, if and when the relative pose between the camera and the projector is changed. A distinct advantage of this method is that neither the design of a calibration pattern/device nor the pre-knowledge of the movement of camera or scene is required. Several important cues for self-recalibration, including geometrical cue and focus cue, are explored in this paper Finally, some experimental observations are presented to illustrate the implementation of this new method

Published in:

Robotics and Automation, 2002. Proceedings. ICRA '02. IEEE International Conference on  (Volume:3 )

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