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A novel interpolation algorithm for nonlinear omni-catadioptric images

Shen, P., Zhang, L., Wang, Z., Shao, W., Hu, Z., Zhang, X. and Song, Yi-Zhe (2013) A novel interpolation algorithm for nonlinear omni-catadioptric images In: 2012 3rd IEEE International Conference on Network Infrastructure and Digital Content (IC-NIDC 2012), 21-23 Sep 2012, Beijing, China.

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This paper proposes a novel omni-image Interpolation technique and a new method to evaluation its performance. Omni-images are taken by non-linear catadioptric camera and offer important scientific and engineering benefits but often at the expense of the reduced visual accuracy. Interpolation algorithms aiming at improving the resolution of omni-images are deemed as an effective approach to deal with such a lack of visual content. Main contribution of this paper is that we propose an interpolation algorithm which could not only enhance the visual quality but also maintain camera parameters. Camera properties of the interpolated images are preserved by utilizing the epipolar geometry constraint of non-linear images. In our experiment, good performance was found on four sets of omni-images using the proposed method compared with the standard bilinear algorithm and bicubic algorithm.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Shen, P.
Zhang, L.
Wang, Z.
Shao, W.
Hu, Z.
Zhang, X.
Date : April 2013
DOI : 10.1109/ICNIDC.2012.6418805
Uncontrolled Keywords : Epipolar geometry constraint; Non-linear interpolation
Related URLs :
Additional Information : Printed proceedings published by Curran Associates Inc.
Depositing User : Clive Harris
Date Deposited : 12 Aug 2019 13:55
Last Modified : 12 Aug 2019 13:55

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