{"id":"https://openalex.org/W2753789408","doi":"https://doi.org/10.1109/tgrs.2017.2738439","title":"Topologically Aware Building Rooftop Reconstruction From Airborne Laser Scanning Point Clouds","display_name":"Topologically Aware Building Rooftop Reconstruction From Airborne Laser Scanning Point Clouds","publication_year":2017,"publication_date":"2017-09-04","ids":{"openalex":"https://openalex.org/W2753789408","doi":"https://doi.org/10.1109/tgrs.2017.2738439","mag":"2753789408"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2017.2738439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2017.2738439","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5013116360","display_name":"Dong Chen","orcid":"https://orcid.org/0000-0001-8118-3889"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]},{"id":"https://openalex.org/I167027274","display_name":"Nanjing Forestry University","ror":"https://ror.org/03m96p165","country_code":"CN","type":"education","lineage":["https://openalex.org/I167027274"]}],"countries":["CA","CN"],"is_corresponding":true,"raw_author_name":"Dong Chen","raw_affiliation_strings":["Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada","Nanjing Forestry University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"Nanjing Forestry University, Nanjing, China","institution_ids":["https://openalex.org/I167027274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101647875","display_name":"Ruisheng Wang","orcid":"https://orcid.org/0000-0003-0745-5158"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ruisheng Wang","raw_affiliation_strings":["Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027174277","display_name":"Jiju Peethambaran","orcid":"https://orcid.org/0000-0003-0245-5933"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jiju Peethambaran","raw_affiliation_strings":["Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Geomatics Engineering, University of Calgary, Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5013116360"],"corresponding_institution_ids":["https://openalex.org/I167027274","https://openalex.org/I168635309"],"apc_list":null,"apc_paid":null,"fwci":4.7538,"has_fulltext":false,"cited_by_count":77,"citation_normalized_percentile":{"value":0.95413748,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"55","issue":"12","first_page":"7032","last_page":"7052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/T12698","display_name":"3D Modeling in Geospatial Applications","score":0.9937999844551086,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.7614927291870117},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6733188033103943},{"id":"https://openalex.org/keywords/geometric-primitive","display_name":"Geometric primitive","score":0.6257858872413635},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.6068905591964722},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.573251485824585},{"id":"https://openalex.org/keywords/boundary-representation","display_name":"Boundary representation","score":0.5678387880325317},{"id":"https://openalex.org/keywords/voronoi-diagram","display_name":"Voronoi diagram","score":0.560705840587616},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5181975960731506},{"id":"https://openalex.org/keywords/triangulation","display_name":"Triangulation","score":0.5061585307121277},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.4672785997390747},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.46457183361053467},{"id":"https://openalex.org/keywords/geometric-modeling","display_name":"Geometric modeling","score":0.461927592754364},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4375801086425781},{"id":"https://openalex.org/keywords/delaunay-triangulation","display_name":"Delaunay triangulation","score":0.4364379048347473},{"id":"https://openalex.org/keywords/solid-modeling","display_name":"Solid modeling","score":0.4282476305961609},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41611039638519287},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3750222623348236},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3335212469100952},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2571783661842346},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.24381962418556213}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.7614927291870117},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6733188033103943},{"id":"https://openalex.org/C181095308","wikidata":"https://www.wikidata.org/wiki/Q1541599","display_name":"Geometric primitive","level":2,"score":0.6257858872413635},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.6068905591964722},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.573251485824585},{"id":"https://openalex.org/C117258860","wikidata":"https://www.wikidata.org/wiki/Q895153","display_name":"Boundary representation","level":3,"score":0.5678387880325317},{"id":"https://openalex.org/C24881265","wikidata":"https://www.wikidata.org/wiki/Q757267","display_name":"Voronoi diagram","level":2,"score":0.560705840587616},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5181975960731506},{"id":"https://openalex.org/C135981907","wikidata":"https://www.wikidata.org/wiki/Q188056","display_name":"Triangulation","level":2,"score":0.5061585307121277},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.4672785997390747},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.46457183361053467},{"id":"https://openalex.org/C104065381","wikidata":"https://www.wikidata.org/wiki/Q1002535","display_name":"Geometric modeling","level":2,"score":0.461927592754364},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4375801086425781},{"id":"https://openalex.org/C68010082","wikidata":"https://www.wikidata.org/wiki/Q192445","display_name":"Delaunay triangulation","level":2,"score":0.4364379048347473},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.4282476305961609},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41611039638519287},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3750222623348236},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3335212469100952},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2571783661842346},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.24381962418556213},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2017.2738439","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2017.2738439","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6899999976158142}],"awards":[{"id":"https://openalex.org/G251742388","display_name":null,"funder_award_id":"41301521","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3950173225","display_name":null,"funder_award_id":"201506710075","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"}],"funders":[{"id":"https://openalex.org/F4320310537","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":59,"referenced_works":["https://openalex.org/W83360984","https://openalex.org/W1571051704","https://openalex.org/W1975853804","https://openalex.org/W1987058898","https://openalex.org/W1996086983","https://openalex.org/W2000018820","https://openalex.org/W2002899493","https://openalex.org/W2005237498","https://openalex.org/W2008683230","https://openalex.org/W2015357652","https://openalex.org/W2018377093","https://openalex.org/W2020816742","https://openalex.org/W2022394120","https://openalex.org/W2022512855","https://openalex.org/W2025004203","https://openalex.org/W2029625183","https://openalex.org/W2035184119","https://openalex.org/W2037282532","https://openalex.org/W2041170980","https://openalex.org/W2046802821","https://openalex.org/W2048684659","https://openalex.org/W2083024210","https://openalex.org/W2093058919","https://openalex.org/W2104525659","https://openalex.org/W2107732308","https://openalex.org/W2108569747","https://openalex.org/W2110971776","https://openalex.org/W2120953816","https://openalex.org/W2127310338","https://openalex.org/W2129172225","https://openalex.org/W2130666164","https://openalex.org/W2130722170","https://openalex.org/W2132480024","https://openalex.org/W2134148744","https://openalex.org/W2134345313","https://openalex.org/W2141352787","https://openalex.org/W2144311066","https://openalex.org/W2145611136","https://openalex.org/W2145618333","https://openalex.org/W2152654418","https://openalex.org/W2156721269","https://openalex.org/W2159075734","https://openalex.org/W2183740711","https://openalex.org/W2249773824","https://openalex.org/W2330711204","https://openalex.org/W2366389387","https://openalex.org/W2388324229","https://openalex.org/W2415951620","https://openalex.org/W2519823314","https://openalex.org/W2525814813","https://openalex.org/W2559837177","https://openalex.org/W2586930873","https://openalex.org/W2625290171","https://openalex.org/W2998649743","https://openalex.org/W4246470466","https://openalex.org/W6603406552","https://openalex.org/W6673790229","https://openalex.org/W6682946424","https://openalex.org/W6711086736"],"related_works":["https://openalex.org/W598483300","https://openalex.org/W4283712015","https://openalex.org/W2978033782","https://openalex.org/W3145525880","https://openalex.org/W101255224","https://openalex.org/W2148336640","https://openalex.org/W2116928653","https://openalex.org/W1629863428","https://openalex.org/W3152671364","https://openalex.org/W3156636924"],"abstract_inverted_index":{"This":[0,75],"paper":[1],"presents":[2],"a":[3,64,112],"novel":[4,65],"topologically":[5,163],"aware":[6],"2.5-D":[7],"building":[8,18,152,198],"modeling":[9],"methodology":[10],"from":[11,99],"airborne":[12],"laser":[13],"scanning":[14],"point":[15],"clouds.":[16],"The":[17,89,130,176,206],"reconstruction":[19,208],"process":[20],"consists":[21],"of":[22,80,115,125,197,220],"three":[23],"main":[24],"steps:":[25],"primitive":[26,34,73,90,158,174],"clustering,":[27,35],"boundary":[28,117,128],"representation,":[29,225],"and":[30,140,149,184,226],"geometric":[31,81,227],"modeling.":[32],"In":[33,58],"we":[36,62,155],"propose":[37],"an":[38],"enhanced":[39],"probability":[40],"density":[41],"clustering":[42],"algorithm":[43,68,76],"to":[44,69,110,146,160],"cluster":[45],"the":[46,53,59,72,78,101,116,120,126,134,143,157,162,170],"rooftop":[47,144],"primitives":[48],"by":[49,118,133,193],"taking":[50],"into":[51,95],"account":[52],"topological":[54],"consistency":[55],"among":[56,86],"primitives.":[57,88],"second":[60],"step,":[61],"employ":[63],"Voronoi":[66],"subgraph-based":[67],"seamlessly":[70],"trace":[71],"boundaries.":[74],"guarantees":[77],"production":[79],"models":[82,178,199],"without":[83],"crack":[84],"defects":[85],"adjacent":[87],"boundaries":[91,159],"are":[92,104,167],"further":[93],"divided":[94],"multiple":[96],"linear":[97],"segments,":[98],"which":[100,166,194],"key":[102,107,136],"points":[103,108,122,137],"generated.":[105],"These":[106],"help":[109],"form":[111,161],"hybrid":[113,135],"representation":[114,132],"combining":[119],"projected":[121],"with":[123],"part":[124],"original":[127],"points.":[129],"model":[131,221,224],"is":[138],"flexible":[139],"well":[141],"captures":[142],"details":[145],"generate":[147],"lightweight":[148],"highly":[150],"regular":[151],"models.":[153],"Finally,":[154],"assemble":[156],"correct":[164,185],"entities,":[165],"regarded":[168],"as":[169],"basic":[171],"units":[172],"for":[173],"triangulation.":[175],"reconstructed":[177],"not":[179],"only":[180],"have":[181,190],"accurate":[182],"geometry":[183],"topology":[186],"but":[187],"more":[188],"importantly":[189],"abundant":[191],"semantics,":[192],"five":[195],"levels":[196],"can":[200],"be":[201],"generated":[202],"in":[203,218],"real":[204],"time.":[205],"proposed":[207],"method":[209],"has":[210],"been":[211],"comprehensively":[212],"evaluated":[213],"on":[214],"Toronto":[215],"data":[216],"set":[217],"terms":[219],"compactness,":[222],"multilevel":[223],"accuracy.":[228]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":9}],"updated_date":"2026-03-15T09:29:46.208133","created_date":"2025-10-10T00:00:00"}
