Fuzzy Logic and Additive Wavelet-Based Panchromatic Sharpening

A fuzzy logic and additive wavelet-based image fusion scheme is proposed. The scheme injects high-frequency information from a high-resolution panchromatic image into a low-resolution multispectral image taking both the intensity levels of each band and spatial information of panchromatic image into consideration. The proposed scheme preserves both spatial and spectral information. Quantitative analysis performed on the Ikonos and Quickbird data sets demonstrates that the proposed scheme outperforms state-of-the-art multiresolution image fusion schemes.