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The phrase “remote sensing” sounds like a theoretician’s delight—a way to get data while sitting in an armchair. Unfortunately, while some remote sensing activities can be done in a chair, substantial legwork is also needed to ensure accurate interpretation o f remotely sensed signals. Even for the work done from the armchair, remote sensing analysis is far from sim ple and straightforward.
Roughgarden et al. (Sun,) studied this question.