{"id":"https://openalex.org/W2065263381","doi":"https://doi.org/10.1109/igarss.2010.5654122","title":"QEM-based simplification of building footprints from Airborne LiDAR data","display_name":"QEM-based simplification of building footprints from Airborne LiDAR data","publication_year":2010,"publication_date":"2010-07-01","ids":{"openalex":"https://openalex.org/W2065263381","doi":"https://doi.org/10.1109/igarss.2010.5654122","mag":"2065263381"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2010.5654122","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5654122","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 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/A5100693759","display_name":"Zhi Wang","orcid":"https://orcid.org/0000-0003-4711-4251"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhi Wang","raw_affiliation_strings":["College of Resources and Civil Engineering, Northeastern University, Shenyang, China","College of Resources and Civil Engineering,Northeastern University,Shenyang China,110004)"],"affiliations":[{"raw_affiliation_string":"College of Resources and Civil Engineering, Northeastern University, Shenyang, China","institution_ids":["https://openalex.org/I9224756"]},{"raw_affiliation_string":"College of Resources and Civil Engineering,Northeastern University,Shenyang China,110004)","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100603788","display_name":"Huiying Li","orcid":"https://orcid.org/0000-0002-3637-2581"},"institutions":[{"id":"https://openalex.org/I4210134929","display_name":"Jilin Province Science and Technology Department","ror":"https://ror.org/049x38272","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210134929"]},{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui-Ying Li","raw_affiliation_strings":["College of Computer Science and Technology, Jilin University, Changchun, China","[College of Computer Science and Technology, Jilin University, Changchun, China, 130012]"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I4210134929","https://openalex.org/I194450716"]},{"raw_affiliation_string":"[College of Computer Science and Technology, Jilin University, Changchun, China, 130012]","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100394375","display_name":"Lixin Wu","orcid":"https://orcid.org/0000-0002-6052-7416"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210098389","display_name":"Ministry of Civil Affairs","ror":"https://ror.org/00rmvjy83","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210098389","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li-Xin Wu","raw_affiliation_strings":["Key Laboratory of Environment Change and Natural Disaster of MOE, Ministry of Civil Affairs, Ministry of Education, Beijing Normal University, Beijing, China","Key Laboratory of Environment Change and Natural Disaster of MOE, Beijing Normal University, China, 100875"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Environment Change and Natural Disaster of MOE, Ministry of Civil Affairs, Ministry of Education, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210098389"]},{"raw_affiliation_string":"Key Laboratory of Environment Change and Natural Disaster of MOE, Beijing Normal University, China, 100875","institution_ids":["https://openalex.org/I25254941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100693759"],"corresponding_institution_ids":["https://openalex.org/I9224756"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13328696,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"6044","issue":null,"first_page":"1186","last_page":"1189"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9997000098228455,"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":0.9997000098228455,"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":0.998199999332428,"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/T13282","display_name":"Automated Road and Building Extraction","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"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":0.7501232624053955},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.726493239402771},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.7072682976722717},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6937769651412964},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.5134561657905579},{"id":"https://openalex.org/keywords/digital-surface","display_name":"Digital surface","score":0.5056591033935547},{"id":"https://openalex.org/keywords/building-model","display_name":"Building model","score":0.4882662296295166},{"id":"https://openalex.org/keywords/raw-data","display_name":"Raw data","score":0.4409666657447815},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.437746524810791},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3392814099788666},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.2819683253765106},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24280494451522827},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.18814778327941895},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.15074408054351807},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.13295409083366394},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12970340251922607},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.1124623715877533},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.07955232262611389}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.7501232624053955},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.726493239402771},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.7072682976722717},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6937769651412964},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.5134561657905579},{"id":"https://openalex.org/C2983128922","wikidata":"https://www.wikidata.org/wiki/Q1789829","display_name":"Digital surface","level":3,"score":0.5056591033935547},{"id":"https://openalex.org/C2778530916","wikidata":"https://www.wikidata.org/wiki/Q1352349","display_name":"Building model","level":2,"score":0.4882662296295166},{"id":"https://openalex.org/C132964779","wikidata":"https://www.wikidata.org/wiki/Q2110223","display_name":"Raw data","level":2,"score":0.4409666657447815},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.437746524810791},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3392814099788666},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.2819683253765106},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24280494451522827},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.18814778327941895},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.15074408054351807},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.13295409083366394},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12970340251922607},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1124623715877533},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.07955232262611389},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2010.5654122","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2010.5654122","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.8299999833106995,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1974028248","https://openalex.org/W1988427886","https://openalex.org/W2009256901","https://openalex.org/W2130722170","https://openalex.org/W2144083240","https://openalex.org/W2145023731","https://openalex.org/W2147094432","https://openalex.org/W2157047291","https://openalex.org/W2235901111","https://openalex.org/W3140955151","https://openalex.org/W3150574965","https://openalex.org/W6647159878","https://openalex.org/W6681847358"],"related_works":["https://openalex.org/W4293094720","https://openalex.org/W2739701376","https://openalex.org/W4320725409","https://openalex.org/W2281664702","https://openalex.org/W1991691127","https://openalex.org/W3049493623","https://openalex.org/W2312021258","https://openalex.org/W2953923365","https://openalex.org/W3164418184","https://openalex.org/W4381571749"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,62,80,103],"QEM-based":[4],"simplification":[5],"approach":[6,18],"for":[7],"extracting":[8],"and":[9,65,108],"delineating":[10],"building":[11,47,56,77,88,106,115],"footprints":[12],"from":[13,32],"Airborne":[14],"LiDAR":[15],"data.":[16],"Our":[17],"consists":[19],"of":[20,24,71,97],"three":[21],"steps:":[22],"first":[23],"all,":[25],"Digital":[26],"Surface":[27],"Model":[28],"(DSM)":[29],"is":[30],"generated":[31],"the":[33,39,43,95,114],"raw":[34],"point":[35],"cloud":[36],"by":[37],"using":[38],"interpolation":[40],"method.":[41],"Secondly,":[42],"potential":[44],"points":[45],"on":[46,93],"outlines":[48,84],"have":[49,66],"to":[50,53,75,87,101,112],"be":[51,76],"aggregated":[52],"form":[54],"connected":[55],"blobs.":[57],"Those":[58],"blobs":[59],"that":[60],"exceed":[61],"certain":[63,67],"size":[64],"characteristics":[68,96],"(e.g.":[69],"consisting":[70],"planes)":[72],"are":[73,85],"supposed":[74],"candidates.":[78],"In":[79],"third":[81],"step":[82],"these":[83],"simplified":[86],"footprints.":[89,116],"The":[90],"focus":[91],"lies":[92],"taking":[94],"buildings":[98],"into":[99],"account":[100],"produce":[102],"meaningful":[104],"2D":[105],"shape":[107],"simplifying":[109],"different":[110],"possibilities":[111],"generalize":[113]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}