The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B7. Beijing 2008 
on the 'a trous' algorithm. International Journal of Remote 
Sensing, vol. 24, no. 6, pp. 1287-1301. 
Tsai, V.J.D.,2004. Evaluation of Multiresolution Image Fusion 
Algorithms. Geoscience and Remote Sensing Symposium 
IGARSS '04 Proceedings, 2004 IEEE International, vol. 1, 20- 
24 Sept. 2004, pp.621-624. 
Wald, L.,2002. Data Fusion: Definitions and Architectures- 
Fusion of Images of different Spatial Resolutions. 
Wang, Z.,2002. A Universal Image Quality Index. IEEE Signal 
Processing Letters, vol. 9, no. 3, pp. 1-4. 
Zhang Y., A new merging method and its spectral and spatial 
effects, 1999. International Journal of Remote Sensing, vol. 20, 
no.10 pp. 2003-2014. 
Zhang, Y. and Hong, G,2005. An IHS and wavelet integrated 
approach to improve pan-sharpening visual quality of natural 
colour IKONOS and QuickBird images, Information Fusion, 
vol. 6 (2005), pp. 225-234. 
Zhou, J., Civco, D. L., Silander, J. A., 1998. A wavelet 
transform method to merge Landsat TM and SPOT 
panchromatic data. International Journal of Remote Sensing, 
vol. 19, no. 4, pp. 743-757. 
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