{"id":"https://openalex.org/W2249153497","doi":"https://doi.org/10.1109/dicta.2015.7371262","title":"Fast and Robust Edge Extraction in Unorganized Point Clouds","display_name":"Fast and Robust Edge Extraction in Unorganized Point Clouds","publication_year":2015,"publication_date":"2015-11-01","ids":{"openalex":"https://openalex.org/W2249153497","doi":"https://doi.org/10.1109/dicta.2015.7371262","mag":"2249153497"},"language":"en","primary_location":{"id":"doi:10.1109/dicta.2015.7371262","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dicta.2015.7371262","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Conference on Digital Image Computing: Techniques and Applications (DICTA)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/81975","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083531509","display_name":"Dena Bazazian","orcid":"https://orcid.org/0000-0002-1229-4494"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Dena Bazazian","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027466071","display_name":"Josep R. Casas","orcid":"https://orcid.org/0000-0003-4639-6904"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Josep R. Casas","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085613617","display_name":"Javier Ruiz\u2010Hidalgo","orcid":"https://orcid.org/0000-0001-6774-685X"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Ruiz-Hidalgo","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Politecnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5083531509"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":3.6855,"has_fulltext":false,"cited_by_count":127,"citation_normalized_percentile":{"value":0.92654138,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.8836650848388672},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.7426449060440063},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6805069446563721},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6118789911270142},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.6090239882469177},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5712364315986633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5392524003982544},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5044986009597778},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.47863784432411194},{"id":"https://openalex.org/keywords/normal","display_name":"Normal","score":0.439212441444397},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.43058034777641296},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.404800146818161},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2376270592212677},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.22877731919288635},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.22658184170722961},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.1926867663860321},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.14775490760803223}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.8836650848388672},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.7426449060440063},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6805069446563721},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6118789911270142},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.6090239882469177},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5712364315986633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5392524003982544},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5044986009597778},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.47863784432411194},{"id":"https://openalex.org/C118732077","wikidata":"https://www.wikidata.org/wiki/Q273176","display_name":"Normal","level":3,"score":0.439212441444397},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.43058034777641296},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.404800146818161},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2376270592212677},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.22877731919288635},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.22658184170722961},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.1926867663860321},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.14775490760803223},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/dicta.2015.7371262","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dicta.2015.7371262","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Conference on Digital Image Computing: Techniques and Applications (DICTA)","raw_type":"proceedings-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/81975","is_oa":false,"landing_page_url":"https://hdl.handle.net/2117/81975","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:www.recercat.cat:2072/288226","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/81975","pdf_url":null,"source":{"id":"https://openalex.org/S4306402147","display_name":"RECERCAT (Consorci de Serveis Universitaris de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210090028","host_organization_name":"Consorci de Serveis Universitaris de Catalunya","host_organization_lineage":["https://openalex.org/I4210090028"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.701.4058","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.701.4058","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://imatge.upc.edu/web/sites/default/files/pub/cBazazian15.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:www.recercat.cat:2072/288226","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/81975","pdf_url":null,"source":{"id":"https://openalex.org/S4306402147","display_name":"RECERCAT (Consorci de Serveis Universitaris de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210090028","host_organization_name":"Consorci de Serveis Universitaris de Catalunya","host_organization_lineage":["https://openalex.org/I4210090028"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W19756496","https://openalex.org/W203074164","https://openalex.org/W206063426","https://openalex.org/W1551758013","https://openalex.org/W1554944419","https://openalex.org/W1964365496","https://openalex.org/W1965722128","https://openalex.org/W1987366328","https://openalex.org/W2004402003","https://openalex.org/W2006501358","https://openalex.org/W2019732471","https://openalex.org/W2043228434","https://openalex.org/W2058524213","https://openalex.org/W2074658631","https://openalex.org/W2081750044","https://openalex.org/W2098552070","https://openalex.org/W2108402667","https://openalex.org/W2131723805","https://openalex.org/W2138707442","https://openalex.org/W2149668583","https://openalex.org/W2149887512","https://openalex.org/W2152864241","https://openalex.org/W2156849739","https://openalex.org/W2171033594","https://openalex.org/W2290096274","https://openalex.org/W3150224893"],"related_works":["https://openalex.org/W2807388419","https://openalex.org/W4385921699","https://openalex.org/W2028037572","https://openalex.org/W2315652488","https://openalex.org/W2039365229","https://openalex.org/W3202141563","https://openalex.org/W2101902114","https://openalex.org/W2145843506","https://openalex.org/W2379089757","https://openalex.org/W2056407677"],"abstract_inverted_index":{"Edges":[0],"provide":[1,70],"important":[2],"visual":[3],"information":[4,72],"in":[5,42,181],"scene":[6],"surfaces.":[7],"The":[8],"need":[9],"for":[10,86,157],"fast":[11,123],"and":[12,31,62,110,124,152,165],"robust":[13],"feature":[14],"extraction":[15,54,95,160],"from":[16],"3D":[17],"data":[18],"is":[19,84],"nowadays":[20],"fostered":[21],"by":[22,45,132,143],"the":[23,37,53,65,74,77,108,111,114,134,137,154,176,182],"widespread":[24],"availability":[25],"of":[26,39,55,76,81,100,113,136,169,178],"cheap":[27],"commercial":[28],"depth":[29],"sensors":[30],"multi-camera":[32],"setups.":[33],"This":[34],"article":[35],"investigates":[36],"challenge":[38],"detecting":[40],"edges":[41],"surfaces":[43],"represented":[44],"unorganized":[46,170],"point":[47,115,171],"clouds.":[48,172],"Generally,":[49],"edge":[50,87,130,159],"recognition":[51],"requires":[52],"geometric":[56],"features":[57,131],"such":[58,89],"as":[59,90],"normal":[60],"vectors":[61],"curvatures.":[63],"Since":[64],"normals":[66,83],"alone":[67],"do":[68],"not":[69],"enough":[71],"about":[73],"geometry":[75],"cloud,":[78],"further":[79],"analysis":[80],"extracted":[82],"needed":[85],"extraction,":[88],"a":[91,122],"clustering":[92],"method.":[93],"Edge":[94],"through":[96],"these":[97],"techniques":[98],"consists":[99],"several":[101,162],"steps":[102],"with":[103],"parameters":[104],"which":[105],"depend":[106],"on":[107],"density":[109],"scale":[112],"cloud.":[116],"In":[117],"this":[118],"paper":[119],"we":[120,149,174],"propose":[121],"precise":[125],"method":[126],"to":[127],"detect":[128],"sharp":[129,158],"analysing":[133],"eigenvalues":[135],"covariance":[138],"matrix":[139],"that":[140],"are":[141],"defined":[142],"each":[144],"point's":[145],"k-nearest":[146],"neighbors.":[147],"Moreover,":[148],"evaluate":[150],"quantitatively,":[151],"qualitatively":[153],"proposed":[155],"methods":[156],"using":[161],"dihedral":[163],"angles":[164],"well":[166],"known":[167],"examples":[168],"Furthermore,":[173],"demonstrate":[175],"robustness":[177],"our":[179],"approach":[180],"noisier":[183],"real-world":[184],"datasets.":[185]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":22},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":14},{"year":2021,"cited_by_count":25},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}