{"id":"https://openalex.org/W2900692709","doi":"https://doi.org/10.1109/igarss.2018.8517808","title":"An Improved Roam Algorithm and its Application in Terrain Modeling","display_name":"An Improved Roam Algorithm and its Application in Terrain Modeling","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2900692709","doi":"https://doi.org/10.1109/igarss.2018.8517808","mag":"2900692709"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8517808","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8517808","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067658246","display_name":"Chaokui Li","orcid":"https://orcid.org/0000-0002-2871-2179"},"institutions":[{"id":"https://openalex.org/I121296143","display_name":"Hunan University of Science and Technology","ror":"https://ror.org/02m9vrb24","country_code":"CN","type":"education","lineage":["https://openalex.org/I121296143"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Li Chaokui","raw_affiliation_strings":["National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan"],"affiliations":[{"raw_affiliation_string":"National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan","institution_ids":["https://openalex.org/I121296143"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Wang Ning","orcid":null},"institutions":[{"id":"https://openalex.org/I121296143","display_name":"Hunan University of Science and Technology","ror":"https://ror.org/02m9vrb24","country_code":"CN","type":"education","lineage":["https://openalex.org/I121296143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang Ning","raw_affiliation_strings":["National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan"],"affiliations":[{"raw_affiliation_string":"National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan","institution_ids":["https://openalex.org/I121296143"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Fang Jun","orcid":null},"institutions":[{"id":"https://openalex.org/I121296143","display_name":"Hunan University of Science and Technology","ror":"https://ror.org/02m9vrb24","country_code":"CN","type":"education","lineage":["https://openalex.org/I121296143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Jun","raw_affiliation_strings":["National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan"],"affiliations":[{"raw_affiliation_string":"National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan","institution_ids":["https://openalex.org/I121296143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030634303","display_name":"Baiyan Wu","orcid":"https://orcid.org/0000-0002-6996-8218"},"institutions":[{"id":"https://openalex.org/I121296143","display_name":"Hunan University of Science and Technology","ror":"https://ror.org/02m9vrb24","country_code":"CN","type":"education","lineage":["https://openalex.org/I121296143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu Baiyan","raw_affiliation_strings":["National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan"],"affiliations":[{"raw_affiliation_string":"National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Hunan University of Science and Technology Hunan, Xiangtan, Hunan","institution_ids":["https://openalex.org/I121296143"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5104225252","display_name":"Yang Wentao","orcid":null},"institutions":[{"id":"https://openalex.org/I121296143","display_name":"Hunan University of Science and Technology","ror":"https://ror.org/02m9vrb24","country_code":"CN","type":"education","lineage":["https://openalex.org/I121296143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Wentao","raw_affiliation_strings":["Hunan Province Engineering Laboratory of Geospatial Information, Hunan University of Science and technology, Xiangtan, Hunan, China"],"affiliations":[{"raw_affiliation_string":"Hunan Province Engineering Laboratory of Geospatial Information, Hunan University of Science and technology, Xiangtan, Hunan, China","institution_ids":["https://openalex.org/I121296143"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5067658246"],"corresponding_institution_ids":["https://openalex.org/I121296143"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.19111111,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"753","last_page":"756"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14270","display_name":"Simulation and Modeling Applications","score":0.992900013923645,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9815000295639038,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.7223526239395142},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.7083711624145508},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6792125701904297},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.6106838583946228},{"id":"https://openalex.org/keywords/raster-graphics","display_name":"Raster graphics","score":0.5741280317306519},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5349116921424866},{"id":"https://openalex.org/keywords/raised-relief-map","display_name":"Raised-relief map","score":0.5259369015693665},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.4763205945491791},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.45829567313194275},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.4414677023887634},{"id":"https://openalex.org/keywords/terrain-rendering","display_name":"Terrain rendering","score":0.43198126554489136},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4226500689983368},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33807608485221863},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17968103289604187},{"id":"https://openalex.org/keywords/animation","display_name":"Animation","score":0.12220937013626099},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08986404538154602}],"concepts":[{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.7223526239395142},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.7083711624145508},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6792125701904297},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.6106838583946228},{"id":"https://openalex.org/C181844469","wikidata":"https://www.wikidata.org/wiki/Q182270","display_name":"Raster graphics","level":2,"score":0.5741280317306519},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5349116921424866},{"id":"https://openalex.org/C99695388","wikidata":"https://www.wikidata.org/wiki/Q350514","display_name":"Raised-relief map","level":3,"score":0.5259369015693665},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.4763205945491791},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.45829567313194275},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.4414677023887634},{"id":"https://openalex.org/C118350294","wikidata":"https://www.wikidata.org/wiki/Q17341992","display_name":"Terrain rendering","level":3,"score":0.43198126554489136},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4226500689983368},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33807608485221863},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17968103289604187},{"id":"https://openalex.org/C502989409","wikidata":"https://www.wikidata.org/wiki/Q11425","display_name":"Animation","level":2,"score":0.12220937013626099},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08986404538154602},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2018.8517808","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8517808","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5299999713897705}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2037400382","https://openalex.org/W2153357463","https://openalex.org/W2532506824"],"related_works":["https://openalex.org/W2345724956","https://openalex.org/W2383550531","https://openalex.org/W2380355695","https://openalex.org/W2031926741","https://openalex.org/W2394779132","https://openalex.org/W2070260415","https://openalex.org/W2378664483","https://openalex.org/W4390100450","https://openalex.org/W2358384699","https://openalex.org/W2350757165"],"abstract_inverted_index":{"Real":[0],"time":[1],"adaptive":[2],"grid":[3],"algorithm":[4,65,163],"(ROAM":[5],"algorithm)":[6],"is":[7,40,73],"one":[8],"of":[9,17,88,90,100,107,135,139,142,190,194],"the":[10,30,37,53,59,68,105,108,116,124,128,133,156,160,166,173,178,182,188],"main":[11],"real-time":[12,191],"terrain":[13,143,149,154],"visualization":[14],"algorithms":[15],"because":[16],"its":[18],"fast":[19],"computation":[20],"speed":[21],"and":[22,36,46,85,102,131,168,180],"low":[23],"image":[24],"quality":[25],"loss.":[26],"But":[27],"it":[28],"requires":[29],"original":[31],"data":[32,39,125,151,174],"to":[33,42,57,104,114,122,172,176],"be":[34,49,95],"square,":[35],"general":[38],"difficult":[41],"meet":[43,187],"this":[44,76],"requirement,":[45],"there":[47],"will":[48,94],"a":[50,86,98],"crack":[51,140],"in":[52,75],"rendering.":[54],"In":[55],"order":[56],"solve":[58,123],"above":[60],"problem,":[61],"an":[62,82],"improved":[63,161],"ROAM":[64,162],"based":[66],"on":[67],"internal":[69],"square":[70,84],"interpolation":[71],"method":[72,134],"proposed":[74],"paper.":[77],"The":[78,146],"split":[79,137],"polygon":[80,92],"into":[81,97],"inscribed":[83],"plurality":[87,99],"edge":[89,110,118],"polygon,":[91],"edges":[93],"divided":[96],"triangles,":[101],"according":[103],"area":[106],"triangle":[109,117],"size,":[111],"determine":[112],"whether":[113],"continue":[115],"segmentation,":[119],"so":[120],"as":[121,152],"source":[126,153],"for":[127],"Affirmative":[129],"limit,":[130],"use":[132],"adding":[136],"point":[138],"elimination":[141],"rendering":[144],"the.":[145],"irregular":[147],"grayscale":[148],"elevation":[150],"simulation,":[155],"results":[157],"show":[158],"that":[159],"can":[164,186],"eliminate":[165],"crack,":[167],"no":[169],"binding":[170],"requirements":[171,189],"source,":[175],"reduce":[177],"complexity":[179],"improve":[181],"overall":[183],"visual":[184],"performance,":[185],"dynamic":[192],"display":[193],"terrain.":[195]},"counts_by_year":[],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}
