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An Evaluation Model of Level of Detail Consistency of Geographical Features on Digital Maps

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成果类型:
期刊论文
作者:
Liu, Pengcheng;Xiao, Jia*
通讯作者:
Xiao, Jia
作者机构:
[Xiao, Jia; Liu, Pengcheng] Cent China Normal Univ, Hubei Prov Key Lab Geog Proc Anal & Simulat, Wuhan 430079, Peoples R China.
[Xiao, Jia; Liu, Pengcheng] Cent China Normal Univ, Coll Urban & Environm Sci, Wuhan 430079, Peoples R China.
通讯机构:
[Xiao, Jia] C
Cent China Normal Univ, Hubei Prov Key Lab Geog Proc Anal & Simulat, Wuhan 430079, Peoples R China.
Cent China Normal Univ, Coll Urban & Environm Sci, Wuhan 430079, Peoples R China.
语种:
英文
关键词:
level of detail;graphical unit;geographical feature;digital map
期刊:
ISPRS International Journal of Geo-Information
ISSN:
2220-9964
年:
2020
卷:
9
期:
6
页码:
410
基金类别:
Funding: This research was funded by the Fundamental Research Funds for the Central Universities, grant number CCNU30106190454 and Open Research Fund Program of Key Laboratory of Digital Mapping and Land Information Application Engineering, grant number ZRZYBWD201909.
机构署名:
本校为第一且通讯机构
院系归属:
城市与环境科学学院
摘要:
This paper proposes a method to evaluate the level of detail (LoD) of geographic features on digital maps and assess their LoD consistency. First, the contour of the geometry of the geographic feature is sketched and the hierarchy of its graphical units is constructed. Using the quartile measurement method of statistical analysis, outliers of graphical units are eliminated and the average value of the graphical units below the bottom quartile is used as the statistical LoD parameter for a given data sample. By comparing the LoDs of homogeneous and heterogeneous features, we analyze the differe...

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