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Double Vagueness: Uncertainty in Multi-scale Fuzzy Assignment of Duneness
引用本文:Pete Fisher. Double Vagueness: Uncertainty in Multi-scale Fuzzy Assignment of Duneness[J]. 地球空间信息科学学报, 2004, 7(1): 58-66. DOI: 10.1007/BF02826677
作者姓名:Pete Fisher
摘    要:

关 键 词:自动控制 模糊学 地形测量 测绘遥感
收稿时间:2003-12-12

Double vagueness: uncertainty in multi-scale fuzzy assignment of duneness
Cheng?TaoEmail author,Pete?Fisher,Li?Zhilin. Double vagueness: uncertainty in multi-scale fuzzy assignment of duneness[J]. Geo-Spatial Information Science, 2004, 7(1): 58-66. DOI: 10.1007/BF02826677
Authors:Cheng?Tao  author-information"  >  author-information__contact u-icon-before"  >  mailto:lstc@polyu.edu.hk"   title="  lstc@polyu.edu.hk"   itemprop="  email"   data-track="  click"   data-track-action="  Email author"   data-track-label="  "  >Email author,Pete?Fisher,Li?Zhilin
Affiliation:CHENG TaoPete FisherLI Zhilin
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.
Keywords:vagueness  uncertainty  multiscale  fuzzy spatial objects
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