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Image fusion based on pixel significance using cross bilateral filter
Ist Teil von
Signal, image and video processing, 2015-07, Vol.9 (5), p.1193-1204
Ort / Verlag
London: Springer London
Erscheinungsjahr
2015
Link zum Volltext
Quelle
SpringerLink (Online service)
Beschreibungen/Notizen
Like bilateral filter (BF), cross bilateral filter (CBF) considers both gray-level similarities and geometric closeness of the neighboring pixels without smoothing edges, but it uses one image for finding the kernel and other to filter, and vice versa. In this paper, it is proposed to fuse source images by weighted average using the weights computed from the detail images that are extracted from the source images using CBF. The performance of the proposed method has been verified on several pairs of multisensor and multifocus images and compared with the existing methods visually and quantitatively. It is found that, none of the methods have shown consistence performance for all the performance metrics. But as compared to them, the proposed method has shown good performance in most of the cases. Further, the visual quality of the fused image by the proposed method is superior to other methods.