Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7294
Title: Relationship of uncertainty between polygon segment and line segment for spatial data in GIS
Authors: Liu, C
Tong, X
Keywords: Spatial data
εerror band
Polygon segment
Uncertainty
Issue Date: 2005
Publisher: Taylor & Francis Asia Pacific (Singapore)
Source: Geo-spatial information science (地球空间信息科学学报), Sept. 2005, v. 8, no. 3, p. 183-188 How to cite?
Journal: Geo-spatial information science (地球空间信息科学学报) 
Abstract: The mathematic theory for uncertainty model of line segment are summed up to achieve a general conception, and the line error band model of ε_σ is a basic uncertainty model that can depict the line accuracy and quality efficiently while the model of ε_m and error entropy can be regarded as the supplement of it. The error band model will reflect and describe the influence of line uncertainty on polygon uncertainty. Therefore, the statistical characteristic of the line error is studied deeply by analyzing the probability that the line error falls into a certain range. Moreover, the theory accordance is achieved in the selecting the error buffer for line feature and the error indicator. The relationship of the accuracy of area for a polygon with the error loop for a polygon boundary is deduced and computed.
URI: http://hdl.handle.net/10397/7294
ISSN: 1009-5020
EISSN: 1993-5153
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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