Remote sensing is a very good alternative
technology for managing natural resources as compared to
conventional technologies. This paper highlights the
various challenges in UAS sensors. Comparison of IRS-P6
and Land Sat sensors is described from accuracy point of
view by covering same areas by both the sensors which
gives the performance features of both the sensors. Inter
sensor calibration is depicted to realize its importance in
applications like precision farming, disaster management,
etc. requiring multiple dated satellite images.
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