{"id":"https://openalex.org/W2119049971","doi":"https://doi.org/10.5539/cis.v2n2p137","title":"Based on Delaunay Triangulation DEM of Terrain Model","display_name":"Based on Delaunay Triangulation DEM of Terrain Model","publication_year":2009,"publication_date":"2009-04-14","ids":{"openalex":"https://openalex.org/W2119049971","doi":"https://doi.org/10.5539/cis.v2n2p137","mag":"2119049971"},"language":"en","primary_location":{"id":"doi:10.5539/cis.v2n2p137","is_oa":true,"landing_page_url":"https://doi.org/10.5539/cis.v2n2p137","pdf_url":"https://ccsenet.org/journal/index.php/cis/article/download/1810/1718","source":{"id":"https://openalex.org/S2764452479","display_name":"Computer and Information Science","issn_l":"1913-8989","issn":["1913-8989","1913-8997"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310322531","host_organization_name":"Canadian Center of Science and Education","host_organization_lineage":["https://openalex.org/P4310322531"],"host_organization_lineage_names":["Canadian Center of Science and Education"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer and Information Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://ccsenet.org/journal/index.php/cis/article/download/1810/1718","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100380453","display_name":"Yan Li","orcid":"https://orcid.org/0009-0000-9658-0545"},"institutions":[{"id":"https://openalex.org/I198091727","display_name":"Tiangong University","ror":"https://ror.org/00xsr9m91","country_code":"CN","type":"education","lineage":["https://openalex.org/I198091727"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Li","raw_affiliation_strings":["College of Computer application technology, Tianjin Polytechnic University Tianjin 300160, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer application technology, Tianjin Polytechnic University Tianjin 300160, China","institution_ids":["https://openalex.org/I198091727"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004358315","display_name":"Lianhe Yang","orcid":"https://orcid.org/0000-0003-2206-6716"},"institutions":[{"id":"https://openalex.org/I198091727","display_name":"Tiangong University","ror":"https://ror.org/00xsr9m91","country_code":"CN","type":"education","lineage":["https://openalex.org/I198091727"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lianhe Yang","raw_affiliation_strings":["College of Computer application technology, Tianjin Polytechnic University Tianjin 300160, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer application technology, Tianjin Polytechnic University Tianjin 300160, China","institution_ids":["https://openalex.org/I198091727"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2389,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.64847182,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"2","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9883999824523926,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9883999824523926,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14157","display_name":"Environmental and Agricultural Sciences","score":0.9882000088691711,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13067","display_name":"Geological Modeling and Analysis","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.8509324789047241},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.8167961239814758},{"id":"https://openalex.org/keywords/terrain-rendering","display_name":"Terrain rendering","score":0.6725083589553833},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6693468689918518},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.6457242369651794},{"id":"https://openalex.org/keywords/raised-relief-map","display_name":"Raised-relief map","score":0.5569973587989807},{"id":"https://openalex.org/keywords/geographic-information-system","display_name":"Geographic information system","score":0.4415281414985657},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3925003409385681},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3689366579055786},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3363938331604004},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2843261957168579},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.26820722222328186},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23221713304519653},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09567296504974365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08540472388267517}],"concepts":[{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.8509324789047241},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.8167961239814758},{"id":"https://openalex.org/C118350294","wikidata":"https://www.wikidata.org/wiki/Q17341992","display_name":"Terrain rendering","level":3,"score":0.6725083589553833},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6693468689918518},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.6457242369651794},{"id":"https://openalex.org/C99695388","wikidata":"https://www.wikidata.org/wiki/Q350514","display_name":"Raised-relief map","level":3,"score":0.5569973587989807},{"id":"https://openalex.org/C41856607","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"Geographic information system","level":2,"score":0.4415281414985657},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3925003409385681},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3689366579055786},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3363938331604004},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2843261957168579},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.26820722222328186},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23221713304519653},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09567296504974365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08540472388267517}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5539/cis.v2n2p137","is_oa":true,"landing_page_url":"https://doi.org/10.5539/cis.v2n2p137","pdf_url":"https://ccsenet.org/journal/index.php/cis/article/download/1810/1718","source":{"id":"https://openalex.org/S2764452479","display_name":"Computer and Information Science","issn_l":"1913-8989","issn":["1913-8989","1913-8997"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310322531","host_organization_name":"Canadian Center of Science and Education","host_organization_lineage":["https://openalex.org/P4310322531"],"host_organization_lineage_names":["Canadian Center of Science and Education"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer and Information Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.5539/cis.v2n2p137","is_oa":true,"landing_page_url":"https://doi.org/10.5539/cis.v2n2p137","pdf_url":"https://ccsenet.org/journal/index.php/cis/article/download/1810/1718","source":{"id":"https://openalex.org/S2764452479","display_name":"Computer and Information Science","issn_l":"1913-8989","issn":["1913-8989","1913-8997"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310322531","host_organization_name":"Canadian Center of Science and Education","host_organization_lineage":["https://openalex.org/P4310322531"],"host_organization_lineage_names":["Canadian Center of Science and Education"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer and Information Science","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.6700000166893005,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2119049971.pdf","grobid_xml":"https://content.openalex.org/works/W2119049971.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W624653682","https://openalex.org/W2099973502"],"related_works":["https://openalex.org/W3148155918","https://openalex.org/W2462682329","https://openalex.org/W2053526712","https://openalex.org/W4206741056","https://openalex.org/W3040595263","https://openalex.org/W1621772017","https://openalex.org/W4239147863","https://openalex.org/W2358448605","https://openalex.org/W2384793638","https://openalex.org/W2805229694"],"abstract_inverted_index":{"Digital":[0,183],"Terrain":[1,4,184,206],"Model":[2,5,186],"(Digital":[3,232],"acronym":[6,235],"DTM)":[7],"is":[8,40,46,107,209,247,300],"arbitrary":[9],"use":[10,155],"of":[11,15,23,32,43,53,64,70,77,87,104,110,122,191,212,218,251,265,268,275],"a":[12,30,47,93,101,239,269,273,301],"large":[13],"number":[14,42,250],"coordinates":[16,22,256],"in":[17,153],"three-dimensional":[18,89],"x,":[19],"y,":[20],"z":[21],"the":[24,27,36,41,54,57,61,68,74,82,88,108,119,126,151,189,210,213,219,243,249,258,262,278,290,295],"point":[25],"on":[26,242,257],"ground":[28,120,276],"for":[29,60],"form":[31],"Statistics":[33],"said":[34],"that":[35,248,294],"terrain":[37,55,90,127,220,241,292],"surface":[38,192],"morphology":[39],"attribute":[44,208],"information":[45,112,303],"space":[48],"location":[49,281],"characteristics":[50],"and":[51,73,98,124,140,157,168,172,177,203,282],"attributes":[52,190,222],"described":[56],"figures,":[58],"initially":[59],"automatic":[62],"design":[63],"highway":[65],"proposed.":[66],"With":[67],"world":[69],"computer":[71],"technology":[72,80],"rapid":[75],"development":[76],"3-D":[78],"visualization":[79],"into":[81],"traditional":[83],"static":[84],"two-dimensional":[85],"map":[86],"modeling":[91],"makes":[92],"Geographic":[94],"Information":[95],"System":[96],"(GIS)":[97],"digital":[99,229,240],"mapping,":[100],"new":[102],"field":[103],"study.":[105,245],"DTM":[106,152],"basis":[109,211],"geographic":[111],"system":[113,304],"data,":[114],"mainly":[115,187],"used":[116,130],"to":[117,131],"describe":[118],"state":[121],"ups":[123],"downs,":[125],"can":[128,223],"be":[129,224],"extract":[132],"various":[133],"parameters":[134],"such":[135,146,199],"as":[136,147,163,165,194,196,200,238],"slope,":[137,201],"aspect,":[138],"roughness,":[139],"Visibility":[141],"analysis,":[142,156],"watershed":[143],"generation":[144],"applications":[145],"structural":[148],"analysis.":[149],"Therefore,":[150],"land":[154],"rational":[158],"planning,":[159],"forecasting":[160],"flood":[161],"danger,":[162],"well":[164,195],"military":[166],"navigation":[167],"missile":[169],"guidance":[170],"systems,":[171],"combat":[173],"electronic":[174],"sand":[175],"table,":[176],"other":[178,197,216],"fields":[179],"are":[180],"widely":[181],"used.":[182],"Elevation":[185,207,233],"contains":[188],"morphology,":[193],"attributes,":[198,215],"aspect":[202],"so":[204],"on.":[205],"model":[214,231],"elements":[217],"elevation":[221,230,254,283],"directly":[225],"or":[226],"indirectly":[227],"receive,":[228],"Model,":[234],"DEM)":[236],"acts":[237],"main":[244],"DEM":[246],"regional":[252],"terrain,":[253],"Z":[255],"plane":[259],"X,":[260,279],"Y,":[261],"two":[263],"variables":[264],"continuous":[266],"function":[267],"limited":[270],"discrete":[271],"said,":[272],"series":[274],"from":[277],"Y":[280],"linked":[284],"by":[285],"some":[286],"Organization":[287],"structure":[288],"with":[289],"actual":[291],"features":[293],"spatial":[296,302],"distribution":[297],"model,":[298],"it":[299],"an":[305],"important":[306],"component":[307],"part.":[308]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
