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18th International Conference on Pattern Recognition (ICPR'06) Volume 2
Spatial-variant Image Filtering Based on Bidimensional Empirical Mode Decomposition
Hong Kong
August 20-August 24
ISBN: 0-7695-2521-0
Lulu He, Huazhong University of Science and Technology, Wuhan, China
Hongyuan Wang, Huazhong University of Science and Technology, Wuhan, China
This paper presents a fully automatic spatialvariant approach for image filtering and representation based on Bidimensional Empirical Mode Decomposition (BEMD). Unlike traditional filtering strategies which demonstrate poor performance for multicomponent, non-stationary images, the proposed method adaptively tracks the local characteristics of image intensities. In this paper, we first describe our own BEMD algorithm and use it to decompose gray level images into a finite number of spatial frequency components, called Intrinsic Mode Functions (IMF). Then based on the statistical properties of the IMFs, features can be extracted. The idea is to group certain adjacent modes together to realize image filtering. Experiments on natural multipartite images have indicated the effectiveness of our approach.
Citation:
Lulu He, Hongyuan Wang, "Spatial-variant Image Filtering Based on Bidimensional Empirical Mode Decomposition," icpr, vol. 2, pp.1196-1199, 18th International Conference on Pattern Recognition (ICPR'06) Volume 2, 2006
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