A2Ba: Adaptive Background Modelling for Visual Aerial Surveillance Conditions
Journal Title: EAI Endorsed Transactions on Industrial Networks and Intelligent Systems - Year 2015, Vol 2, Issue 4
Abstract
Background modelling algorithms are widely used to define a part of an image that most time remains stationary in a video. In surveillance tasks, this model helps to recognize those outlier objects in an area under monitoring. Set up a background model on mobile platforms (UAVs, intelligent cars, etc.) is a challenging task due camera motion when images are acquired. In this paper, we propose A2Ba, a robust method to support instabilities caused by aerial images fusing different information about image motion. We used frame difference as first approximation, then age of pixels is estimated. This latter gives us an invariability level of a pixel over time. Gradient direction of ages and an adaptive weight are used to reduce impact from camera motion on background modelling. We tested A2Ba simulating several conditions that impair aerial image acquisition such as intentional and unintentional camera motion. Experimental results show improved performance compared to baseline algorithms GMM and KDE.
Authors and Affiliations
Francisco Sanchez-Fernandez, Philippe Brunet, Sidi-Mohammed Senouci
Keywords
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- EP ID EP46029
- DOI http://dx.doi.org/10.4108/inis.2.4.e3
- Views 346
- Downloads 0
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