{"id":"https://openalex.org/W2783383390","doi":"https://doi.org/10.1109/icsai.2017.8248496","title":"Automatic extraction of building elevation contours based on LIDAR data","display_name":"Automatic extraction of building elevation contours based on LIDAR data","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2783383390","doi":"https://doi.org/10.1109/icsai.2017.8248496","mag":"2783383390"},"language":"en","primary_location":{"id":"doi:10.1109/icsai.2017.8248496","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsai.2017.8248496","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 4th International Conference on Systems and Informatics (ICSAI)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5089261468","display_name":"Yi Gao","orcid":"https://orcid.org/0000-0002-3829-4724"},"institutions":[{"id":"https://openalex.org/I4210165726","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210165456","https://openalex.org/I4210165726"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Gao","raw_affiliation_strings":["Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I4210165726","https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100344144","display_name":"Wen Chen","orcid":"https://orcid.org/0000-0001-5888-7415"},"institutions":[{"id":"https://openalex.org/I4210165726","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210165456","https://openalex.org/I4210165726"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Chen","raw_affiliation_strings":["Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I4210165726","https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084234940","display_name":"Chao Yu","orcid":"https://orcid.org/0000-0002-5604-0373"},"institutions":[{"id":"https://openalex.org/I4210165726","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210165456","https://openalex.org/I4210165726"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Yu","raw_affiliation_strings":["Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I4210165726","https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027930243","display_name":"Yao Yao","orcid":"https://orcid.org/0000-0002-2830-0377"},"institutions":[{"id":"https://openalex.org/I4210165726","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210165456","https://openalex.org/I4210165726"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yao Yao","raw_affiliation_strings":["Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I4210165726","https://openalex.org/I66867065"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101444493","display_name":"Tingting Xiao","orcid":"https://orcid.org/0000-0002-3267-9500"},"institutions":[{"id":"https://openalex.org/I4210165726","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210165456","https://openalex.org/I4210165726"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tingting Xiao","raw_affiliation_strings":["Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Engineering Center of SHMEC for Space Information and GNSS, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I4210165726","https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4636,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.66050808,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1352","last_page":"1357"},"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":0.9987000226974487,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9865000247955322,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/point-cloud","display_name":"Point cloud","score":0.8515247106552124},{"id":"https://openalex.org/keywords/facade","display_name":"Facade","score":0.7656646966934204},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7073521614074707},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.7022910118103027},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.6334744691848755},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5602176189422607},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.538078784942627},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.5216972231864929},{"id":"https://openalex.org/keywords/extraction","display_name":"Extraction (chemistry)","score":0.5143646001815796},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.5121567249298096},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5073358416557312},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.45777249336242676},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.452497661113739},{"id":"https://openalex.org/keywords/building-model","display_name":"Building model","score":0.4217434525489807},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3649183511734009},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.28351378440856934},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2050582468509674},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2032901644706726},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.16660946607589722},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16301599144935608},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.13693004846572876},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.11652955412864685}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.8515247106552124},{"id":"https://openalex.org/C2780113678","wikidata":"https://www.wikidata.org/wiki/Q183061","display_name":"Facade","level":2,"score":0.7656646966934204},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7073521614074707},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.7022910118103027},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.6334744691848755},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5602176189422607},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.538078784942627},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.5216972231864929},{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.5143646001815796},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.5121567249298096},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5073358416557312},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.45777249336242676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.452497661113739},{"id":"https://openalex.org/C2778530916","wikidata":"https://www.wikidata.org/wiki/Q1352349","display_name":"Building model","level":2,"score":0.4217434525489807},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3649183511734009},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28351378440856934},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2050582468509674},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2032901644706726},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.16660946607589722},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16301599144935608},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.13693004846572876},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.11652955412864685},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icsai.2017.8248496","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsai.2017.8248496","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 4th International Conference on Systems and Informatics (ICSAI)","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":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1970455792","https://openalex.org/W2026358285","https://openalex.org/W2047662161","https://openalex.org/W2048684659","https://openalex.org/W2076159989","https://openalex.org/W2081747734","https://openalex.org/W2092031457","https://openalex.org/W2260218178","https://openalex.org/W2358016049","https://openalex.org/W2388365224","https://openalex.org/W2603738233","https://openalex.org/W2611565230","https://openalex.org/W4385183571","https://openalex.org/W6662490051","https://openalex.org/W6711313210"],"related_works":["https://openalex.org/W2164484807","https://openalex.org/W4293094720","https://openalex.org/W2739701376","https://openalex.org/W2081468532","https://openalex.org/W2186192402","https://openalex.org/W4283708567","https://openalex.org/W2787642737","https://openalex.org/W9113147","https://openalex.org/W117643219","https://openalex.org/W2953923365"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,25],"boundary":[4,57,112],"extraction":[5,108],"method":[6,21],"of":[7,33,43,54,81,104,110],"contour":[8],"approximation":[9],"for":[10,59],"facade":[11],"building":[12,83,111],"based":[13],"on":[14],"3D":[15],"laser":[16],"point":[17,34,105],"cloud":[18,35],"data.":[19],"The":[20,61,107],"generates":[22],"grids":[23,44],"with":[24,56],"certain":[26],"density":[27,103],"according":[28],"to":[29,116],"the":[30,41,46,51,66,76,82,90,98,102],"view":[31],"projection":[32],"data":[36],"at":[37],"first.":[38],"Then,":[39],"detect":[40],"outline":[42],"through":[45],"mark":[47],"and":[48,74,78,86,101],"finally":[49],"describe":[50],"actual":[52],"contours":[53,80],"buildings":[55],"feature":[58],"further.":[60],"experimental":[62],"results":[63],"show":[64],"that":[65],"algorithm":[67],"does":[68],"not":[69],"need":[70],"other":[71],"auxiliary":[72],"data,":[73],"describes":[75],"inside":[77],"outside":[79],"more":[84],"quickly":[85],"stably,":[87],"especially":[88],"in":[89],"complex":[91],"urban":[92],"environment":[93],"without":[94],"being":[95],"influenced":[96],"by":[97],"sampling":[99],"frequency":[100],"clouds.":[106],"accuracy":[109],"can":[113],"be":[114],"up":[115],"90%":[117],"or":[118],"more.":[119]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}