Multi-Camera Calibration Using a Globe

Abstract : The need for calibration of multiple cameras working together in a network, or for the acquisition of free viewpoint video for 3D TV, is becoming increasingly important in recent years. In this paper we present a novel approach for calibrating multiple cameras using an ordinary globe that is usually available in every household. This method makes it possible to reduce multi-camera calibration to a level that is attainable by non-technical users. Our technique requires only one view of the globe for each camera, unlike earlier approaches that need multiple views of a calibration object. Previous methods that use spherical calibration objects can only calibrate the intrinsic parameters of cameras, but our technique is capable of calibrating both the intrinsic and extrinsic parameters simultaneously in a multi-camera setup. Experimental results verifying the accuracy of our algorithm are also presented.
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Communication dans un congrès
The 8th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras - OMNIVIS, Oct 2008, Marseille, France. 2008
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  • HAL Id : inria-00325386, version 1

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Rui Shen, Irene Cheng, Anup Basu. Multi-Camera Calibration Using a Globe. The 8th Workshop on Omnidirectional Vision, Camera Networks and Non-classical Cameras - OMNIVIS, Oct 2008, Marseille, France. 2008. 〈inria-00325386〉

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