Pan image contains shades, is that affecting the MS image when we fuse two images?
Panchromatic images supply high spatial resolution information but not spectrally, while
multi-spectral images supply rich spectral information that can identify but not spatially.
yes it effects gray information of the mr but preserves the color information , so for denoising of pan image before going to fusion.
for basic concept refer the link
C. Pohl, J.L. Genderen.: “Multi-sensor Image Fusion in Remote
Sensing: Concepts, Methods and Applications”. International Journal
of Remote Sensing, Vol. 19 (5) (1998), pp. 823-854
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