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Double Vagueness: uncertainty in multi-scale fuzzy assignment of duneness

Cheng, T; Fisher, P; Li, Z; (2004) Double Vagueness: uncertainty in multi-scale fuzzy assignment of duneness. Geo-Spatial Information Science , 7 (1) pp. 58-66. 10.1007/BF02826677.

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Abstract

In the automation of identification of landscape features the vagueness arises from the fact that the attributes and parameters that make up a landscape vary over space and scale. In most of existing studies, these two kinds of vagueness are studied separately. This paper investigates their combination in identification of coast landscape units. Fuzzy set theory is used to describe the vagueness of geomorphic features due to the continuity in space. The vagueness resulted from the scale of measurement is evaluated by statistic indicators. The differences of fuzzy objects derived from data at differing resolutions (in size from 3×3 cells to 25×25 cells) are studied in order to examine these higher-order uncertainties.

Type: Article
Title: Double Vagueness: uncertainty in multi-scale fuzzy assignment of duneness
DOI: 10.1007/BF02826677
Keywords: vagueness, uncertainty, multiscale, fuzzy spatial objects
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/76145
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