IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Landform skeleton reconstruction from unorganized points
Language英语
Luo Mingliang1,2,3; Tang Guoan2; Liu Xuejun2; Bian Lu2
2007
Source PublicationSECOND INTERNATIONAL CONFERENCE ON SPACE INFORMATION TECHNOLOGY, PTS 1-3
Author of SourceWang, C ; Zhong, S ; Wei, JL
Volume6795
Pages67953C
meeting2nd International Conference on Space Information Technology
Conference DateNOV 10-11, 2007
Conference PlaceWuhan
CountryPEOPLES R CHINA
Publication PlaceBELLINGHAM
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Contribution Rank1
AbstractLandform skeleton are lines that indicate significant topographic features of the terrain. It is widely used in mapping and surveying, hydrology simulation, topography representation and engineering designing. In order to derive the landform skeleton, many kinds of data source have been used, including digitized contour lines, Grid-DEMs and TIN. As time goes by, more and more unorganized points have been acquired, created, maintained and disseminated in many fields. Those unorganized points are the most original and important information which is vital for mapping and surveying. How to extract the feature lines from unorganized points has been the hot-pot in computer design and reverse-engineering. Methods used to extract landform features in existence have shown dependence on data types and thresholds more or less. In the paper, the view sheds principle used to extract the feature points has been put forward and then those points have been organized into feature lines according to related rules. The result has shown that the view sheds principle can extract the features and give the levels of feature points.
Keywordlandform skeleton feature points unorganized points view sheds principle
DOI10.1117/12.774017
ISBN978-0-8194-6960-1
ISSN0277-786X
EISSN1996-756X
Indexed ByEI ; CPCI
Accession numberAccession number:20081911242362
WOS IDWOS:000253704600119
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33510
Collection成都山地所知识仓储(2009年以前)
Corresponding AuthorLuo Mingliang
Affiliation1.Institute of Mountain Hazards and Environment, Chinese Academy of Science, No. 9, Block 4, Renmingnan Road, Chengdu, Sichuan, 610041, China;
2.Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing, Jiangsu, 210046, China;
3.Graduate University of Chinese Academy of Sciences, No. 19, Yuquan Road (Jia), Shijingshan Zone, Beijing, 100049, China
Recommended Citation
GB/T 7714
Luo Mingliang,Tang Guoan,Liu Xuejun,et al. Landform skeleton reconstruction from unorganized points[C]//Wang, C, Zhong, S, Wei, JL. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2007:67953C.
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