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Camera-to-Camera Mapping for Hybrid Pan-Tilt-Zoom Sensors Calibration

  • Julie Badri
  • Christophe Tilmant
  • Jean-Marc Lavest
  • Quonc-Cong Pham
  • Patrick Sayd
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4522)

Abstract

Video surveillance becomes more and more extended in industry and often involves automatic calibration system to remain efficient. In this paper, a video-surveillance system that uses stationary-dynamic cameras devices is presented. The static camera is used to monitor a global scene. When it detects a moving object, the Pan-Tilt-Zoom (PTZ) camera is controlled to be centered on this object. We describe a method of camera-to-camera calibration, integrating zoom calibration in order to command the angles and the zoom of the PTZ camera. This method enables to take into account the intrinsic camera parameters, the 3D scene geometry and the fact that the mechanism of inexpensive camera does not fit the classical geometrical model. Finally, some experiment results attest the accuracy of the proposed solution.

Keywords

Camera-to-camera calibration zoom calibration visual servoing Pan-Tilt-Zoom camera video surveillance 

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Copyright information

© Springer Berlin Heidelberg 2007

Authors and Affiliations

  • Julie Badri
    • 1
    • 2
  • Christophe Tilmant
    • 1
  • Jean-Marc Lavest
    • 1
  • Quonc-Cong Pham
    • 2
  • Patrick Sayd
    • 2
  1. 1.LASMEA, Blaise Pascal University, 24 avenue des Landais, Aubiere, F-63411France
  2. 2.CEA, LIST, Boîte Courrier 65, Gif-sur-Yvette, F-91191France

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