Abstract
The paper presents a new approach to the problem of calibration of a pair of CCTV cameras – a wide angle camera and Pan-Tilt-Zoom (PTZ) camera. The proposed solution allows for accurate control of the PTZ camera using point of interest selected in the coordinate system of the wide angle camera. In the paper we describe the local feature based calibration algorithm, camera control algorithm. We present results of the tests conducted with a real-life a setup of two high end CCTV cameras overseeing a 3000 m2 parking lot. We have achieved an average 1,24\(^{\circ }\) accuracy of calibration that translates to approximately 1.7 m at 80 m of observation distance. The proposed solution is designed in such a way, that after a one-time, heavy-computing calibration the camera control procedure is instantaneous and thus very well suited for operation with advanced object detection algorithms.
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Acknowledgment
This work was supported by the Polish National Center for Research and Development under the LIDER Grant (No. LIDER/354/L-6/14/NCBR/2015).
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Lach, A., Grega, M. (2017). Application of Local Features for Calibration of a Pair of CCTV Cameras. In: Dziech, A., Czyżewski, A. (eds) Multimedia Communications, Services and Security. MCSS 2017. Communications in Computer and Information Science, vol 785. Springer, Cham. https://doi.org/10.1007/978-3-319-69911-0_6
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DOI: https://doi.org/10.1007/978-3-319-69911-0_6
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