Shooting a smooth video with a shaky camera |
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Authors: | Zoran Duric Azriel Rosenfeld |
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Affiliation: | (1) Department of Computer Science, George Mason University, Fairfax, VA 22030-4444, USA; e-mail: ar@cfar.umd.edu , US;(2) Center for Automation Research University of Maryland College Park, MD 20742-3275, USA , US |
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Abstract: | Abstract. The image sequence in a video taken by a moving camera may suffer from irregular perturbations because of irregularities
in the motion of the person or vehicle carrying the camera. We show how to use information in the image sequence to correct
the effects of these irregularities so that the sequence is smoothed, i.e., is approximately the same as the sequence that
would have been obtained if the motion of the camera had been smooth. Our method is based on the fact that the irregular motion
is almost entirely rotational, and that the rotational image motion can be detected and corrected if a distant object, such
as the horizon, is visible.
Received: 14 February 2001 / Accepted: 11 February 2002
Correspondence to: A. Rosenfeld |
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Keywords: | : Camera motion analysis – Image sequence smoothing – Image sequence stabilization – Irregular camera motion – Irregular platform motion – Selective stabilization |
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