I want to pan sharp world view 2 multispectral data its panchromatic band using HCS resolution merge tool in erdas imagine, can any one guide about which resampling technique(Nearest neighbour, bilinear or cubic convultion) and smoothing filter size (3, 5 or 7) should i use specially in case of world view 2 data of pan 0.5meter and xs 2 meter resolution. I will appreciate your suggestion.
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