In the automation of identification of landscape features the vaguenessarises from the fact that the attributes and parameters that make up a landscape vary over space andscale. In most of existing studies, these two ...In the automation of identification of landscape features the vaguenessarises from the fact that the attributes and parameters that make up a landscape vary over space andscale. In most of existing studies, these two kinds of vagueness are studied separately. This paperinvestigates their combination in identification of coast landscape units. Fuzzy set theory is usedto describe the vagueness of geomorphic features due to the continuity in space. The vaguenessresulted from the scale of measurement is evaluated by statistic indicators. The differences offuzzy objects derived from data at differing resolutions (in size from 3 X 3 cells to 25 X 25 cells)are studied in order to examine these higher-order uncertainties.展开更多
文摘In the automation of identification of landscape features the vaguenessarises from the fact that the attributes and parameters that make up a landscape vary over space andscale. In most of existing studies, these two kinds of vagueness are studied separately. This paperinvestigates their combination in identification of coast landscape units. Fuzzy set theory is usedto describe the vagueness of geomorphic features due to the continuity in space. The vaguenessresulted from the scale of measurement is evaluated by statistic indicators. The differences offuzzy objects derived from data at differing resolutions (in size from 3 X 3 cells to 25 X 25 cells)are studied in order to examine these higher-order uncertainties.