Abstract
Pan-tilt cameras are widely used in surveillance networks. These cameras are often equipped with telephoto lenses to capture objects at a distance. Such a camera makes full-metric calibration more difficult since the projection with a telephoto lens is close to orthographic. This paper discusses the problems caused by pan-tilt cameras with long focal length and presents a method to improve the calibration accuracy. Experiments show that our method reduces the re-projection errors by an order of magnitude compared to popular homography-based approaches. © Springer-Verlag Berlin Heidelberg 2007.
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CITATION STYLE
Xinyu, H., Jizhou, G., & Ruigang, Y. (2007). Calibrating pan-tilt cameras with telephoto lenses. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4843 LNCS, pp. 127–137). https://doi.org/10.1007/978-3-540-76386-4_11
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