Image sequence stabilisation based on DFT filtering
Image sequence stabilisation based on DFT filtering
- Author(s): S. Ertürk and T.J. Dennis
- DOI: 10.1049/ip-vis:20000222
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- Author(s): S. Ertürk 1 and T.J. Dennis 2
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View affiliations
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Affiliations:
1: Department of Electronics and Telecommunications Engineering, University of Kocaeli, Izmit, Turkey
2: Department of Electronic Systems Engineering, University of Essex, Colchester, UK
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Affiliations:
1: Department of Electronics and Telecommunications Engineering, University of Kocaeli, Izmit, Turkey
- Source:
Volume 147, Issue 2,
April 2000,
p.
95 – 102
DOI: 10.1049/ip-vis:20000222 , Print ISSN 1350-245X, Online ISSN 1359-7108
An image sequence stabilisation system based on DFT filtering of absolute frame displacements to compensate for undesired fluctuations in the sequence by shifting image frames into correct positions is reported. The system compensates for undesired jitter, while preserving desired global camera motions. Robustness is introduced to interframe motion estimation by averaging motion vectors detected in the phase correlation surface.
Inspec keywords: jitter; image sequences; correlation methods; filtering theory; stability; motion estimation; discrete Fourier transforms
Other keywords:
Subjects: Computer vision and image processing techniques; Integral transforms in numerical analysis; Optical, image and video signal processing; Integral transforms in numerical analysis; Filtering methods in signal processing
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