<trans-title>Research on DEM Construction in Suburban Areas based on Multi-model Cooperation</trans-title>

Mingwei ZHAO; Yonglin JIN; Ling JIANG; Chun WANG; Cancan YANG; Yan XU

doi:10.12082/dqxxkx.2020.190573

Journal of Geo-information Science, Volume. 22, Issue 3, 389(2020)

Research on DEM Construction in Suburban Areas based on Multi-model Cooperation

Mingwei ZHAO1...1,2,2,*, Yonglin JIN1,1, Ling JIANG1,1, Chun WANG1,1, Cancan YANG1,1, and Yan XU11 |Show fewer author(s)

Author Affiliations

¹College of Geographic Information and Tourism, Chuzhou University, Chuzhou 239000, China

¹滁州学院地理信息与旅游学院,滁州 239000

²State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China

²中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室,北京 100101

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Figures & Tables(7)

Fig. 1. DEM construction process of artificial strip terrain

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Fig. 2. Enhanced expression of terrain scarp line

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Fig. 3. Terrain classification of the study area in Nanjing suburbs

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Fig. 4. DEMs of different terrain areas in Nanjing suburbs

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Fig. 5. Hillshade maps of DEM from different methods

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Fig. 6. Slope maps of DEM from different methods

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Table 1. Elevation error statistics of research area (m)

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Table 1. Elevation error statistics of research area (m)

类别		IDW	Spline	TIN	本文方法
微丘	误差均值	0.29	0.29	0.22	0.15
微丘	均方根误差	0.31	0.44	0.27	0.15
边坡	误差均值	6.19	5.42	5.81	0.26
边坡	均方根误差	1.98	1.12	1.06	0.20
道路	误差均值	0.18	0.30	0.16	0.14
道路	均方根误差	0.43	0.53	0.28	0.20
平直面	误差均值	0.13	0.25	0.06	0.04
平直面	均方根误差	0.10	0.10	0.07	0.05
建筑面	误差均值	0.22	0.36	0.13	0.03
建筑面	均方根误差	0.20	0.07	0.08	0.04
其他	误差均值	0.29	0.26	0.27	0.05
其他	均方根误差	0.40	0.26	0.55	0.11

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Mingwei ZHAO, Yonglin JIN, Ling JIANG, Chun WANG, Cancan YANG, Yan XU. Research on DEM Construction in Suburban Areas based on Multi-model Cooperation[J]. Journal of Geo-information Science, 2020, 22(3): 389

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Paper Information

Received: Sep. 30, 2019

Accepted: --

Published Online: Sep. 16, 2020

The Author Email: ZHAO Mingwei (zhaomw@lreis.ac.cn)

DOI:10.12082/dqxxkx.2020.190573

Topics

Resource Economy

Research Articles

Table 1. Elevation error statistics of research area (m)

Table 1. Elevation error statistics of research area (m)

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