Type-2 Fuzzy Mixture of Gaussians Model: Application to Background Modeling

Authors:
Fida Baf;Thierry Bouwmans;Bertrand Vachon
Affiliations:
Department of Mathematics, Images and Applications, University of La Rochelle, France;Department of Mathematics, Images and Applications, University of La Rochelle, France;Department of Mathematics, Images and Applications, University of La Rochelle, France
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
Year:
2008

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Abstract

Background modeling is a key step of background subtraction methods used in the context of static camera. The goal is to obtain a clean background and then detect moving objects by comparing it with the current frame. Mixture of Gaussians Model [1] is the most popular technique and presents some limitations when dynamic changes occur in the scene like camera jitter, illumination changes and movement in the background. Furthermore, the MGM is initialized using a training sequence which may be noisy and/or insufficient to model correctly the background. All these critical situations generate false classification in the foreground detection mask due to the related uncertainty. To take into account this uncertainty, we propose to use a Type-2 Fuzzy Mixture of Gaussians Model. Results show the relevance of the proposed approach in presence of camera jitter, waving trees and water rippling.