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A variational Bayesian approach to remote sensing image change detection

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5 Author(s)
Keming Chen ; Nat. Lab. of Pattern Recognition, Chinese Acad. of Sci., Beijing, China ; Zhenglong Li ; Jian Cheng ; Zhixin Zhou
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In this paper, we present a variational Bayesian (VB) approach to multitemporal remote sensing image change detection. The content of the so called `difference image' is modeled by finite Gaussians Mixture Model (GMM), then with the factor analysis techniques, underlying structure of image content is inferred automatically. Compared with the Expectation-Maximization (EM) algorithm, the proposed method can adaptively determine the number of components in the mixture model without usual sub- or over-segmentation problem. Moreover, to overcome the local optimization problem, a component split strategy is employed in inference process. Experimental results confirm the effectiveness of the proposed method.

Published in:

Geoscience and Remote Sensing Symposium,2009 IEEE International,IGARSS 2009  (Volume:3 )

Date of Conference:

12-17 July 2009