What is the purpose of pan sharpening? a To combine the high spatial resolution of a panchromatic band with the high spectral resolution of spectral bands. b To combine the high spectral resolution of a panchromatic band with the high spatial resolution of spectral bands. c To combine the high radiometric resolution of a panchromatic band with the high spectral resolution of spectral bands. d To combine the high spatial resolution of a panchromatic band with the high temporal resolution of spectral bands.
