Abstract
This article outlines a procedure for selecting a reference sector (not to be confused with a training site, although the former usually contains several training sites) for establishing ground truth in interpreting spectral signatures of various earth surface features, in this case soils. In other words, the objective is to select an area spanning the entire range of soil types to be mapped, so as to be representative of the broadest possible region, but at the same time be compact enough to minimize the volume of necessary field work. An automated procedure for selecting such sectors (sequential histogram comparison and subdivision) is elaborated. Translated by Edward Torrey, Alexandria, VA 22308 from: G. V. Dobrovol'skiy and V. L. Andronikov, eds., Aerokosmicheskiye metody v pochvovedenii i ikh ispol'zovaniye v sel'skom khozyaystve: sbornik nauchnykh trudov [Remote Sensing Methods in Soil Science and Their Utilization in Agriculture: A Collection of Scientific Works]. Moscow: Nauka, 1990, pp. 236–239.
Published Version
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