{"id":"https://openalex.org/W2792224473","doi":"https://doi.org/10.1061/(asce)cp.1943-5487.0000756","title":"Recognizing Diverse Construction Activities in Site Images via Relevance Networks of Construction-Related Objects Detected by Convolutional Neural Networks","display_name":"Recognizing Diverse Construction Activities in Site Images via Relevance Networks of Construction-Related Objects Detected by Convolutional Neural Networks","publication_year":2018,"publication_date":"2018-02-16","ids":{"openalex":"https://openalex.org/W2792224473","doi":"https://doi.org/10.1061/(asce)cp.1943-5487.0000756","mag":"2792224473"},"language":"en","primary_location":{"id":"doi:10.1061/(asce)cp.1943-5487.0000756","is_oa":false,"landing_page_url":"https://doi.org/10.1061/(asce)cp.1943-5487.0000756","pdf_url":null,"source":{"id":"https://openalex.org/S176637136","display_name":"Journal of Computing in Civil Engineering","issn_l":"0887-3801","issn":["0887-3801","1943-5487"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computing in Civil Engineering","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/A5101656782","display_name":"Xiaochun Luo","orcid":"https://orcid.org/0000-0002-2497-848X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Xiaochun Luo","raw_affiliation_strings":["Senior Research Fellow, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong (corresponding author)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Senior Research Fellow, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong (corresponding author)","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100338802","display_name":"Heng Li","orcid":"https://orcid.org/0000-0002-3187-9041"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Heng Li","raw_affiliation_strings":["Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong","Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong. E-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong. E-mail:","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036642583","display_name":"Dongping Cao","orcid":"https://orcid.org/0000-0002-6366-2621"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongping Cao","raw_affiliation_strings":["Assistant Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China","Assistant Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. E-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Assistant Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China","institution_ids":["https://openalex.org/I116953780"]},{"raw_affiliation_string":"Assistant Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China. E-mail:","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047057538","display_name":"Fei Dai","orcid":"https://orcid.org/0000-0002-8868-2821"},"institutions":[{"id":"https://openalex.org/I12097938","display_name":"West Virginia University","ror":"https://ror.org/011vxgd24","country_code":"US","type":"education","lineage":["https://openalex.org/I12097938"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fei Dai","raw_affiliation_strings":["Assistant Professor, Dept. of Civil and Environmental Engineering, West Virginia Univ., Morgantown, WV 26506-6103","Assistant Professor, Dept. of Civil and Environmental Engineering, West Virginia Univ., Morgantown, WV 26506-6103. E-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Assistant Professor, Dept. of Civil and Environmental Engineering, West Virginia Univ., Morgantown, WV 26506-6103","institution_ids":["https://openalex.org/I12097938"]},{"raw_affiliation_string":"Assistant Professor, Dept. of Civil and Environmental Engineering, West Virginia Univ., Morgantown, WV 26506-6103. E-mail:","institution_ids":["https://openalex.org/I12097938"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069693480","display_name":"JoonOh Seo","orcid":"https://orcid.org/0000-0002-5377-7142"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"JoonOh Seo","raw_affiliation_strings":["Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong","Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong. E-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong. E-mail:","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100460359","display_name":"Sang Hyun Lee","orcid":"https://orcid.org/0000-0002-2246-7440"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"SangHyun Lee","raw_affiliation_strings":["Associate Professor, Dept. of Civil and Environmental Engineering, Tishman Construction Management Program, Univ. of Michigan, Ann Arbor, MI 48109","Associate Professor, Dept. of Civil and Environmental Engineering, Tishman Construction Management Program, Univ. of Michigan, Ann Arbor, MI 48109. E-mail:"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate Professor, Dept. of Civil and Environmental Engineering, Tishman Construction Management Program, Univ. of Michigan, Ann Arbor, MI 48109","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Associate Professor, Dept. of Civil and Environmental Engineering, Tishman Construction Management Program, Univ. of Michigan, Ann Arbor, MI 48109. E-mail:","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101656782"],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":null,"apc_paid":null,"fwci":15.0149,"has_fulltext":false,"cited_by_count":178,"citation_normalized_percentile":{"value":0.99626025,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"32","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11606","display_name":"Infrastructure Maintenance and Monitoring","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"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/T11606","display_name":"Infrastructure Maintenance and Monitoring","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T10809","display_name":"Occupational Health and Safety Research","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/3614","display_name":"Radiological and Ultrasound Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11006","display_name":"BIM and Construction Integration","score":0.9965000152587891,"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/relevance","display_name":"Relevance (law)","score":0.783481240272522},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7138985395431519},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6499536037445068},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.60584956407547},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5361549258232117},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.4708157181739807},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.46596410870552063},{"id":"https://openalex.org/keywords/productivity","display_name":"Productivity","score":0.43669265508651733},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4115101397037506},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14854970574378967},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.08569788932800293}],"concepts":[{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.783481240272522},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7138985395431519},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6499536037445068},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.60584956407547},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5361549258232117},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.4708157181739807},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.46596410870552063},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.43669265508651733},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4115101397037506},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14854970574378967},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.08569788932800293},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1061/(asce)cp.1943-5487.0000756","is_oa":false,"landing_page_url":"https://doi.org/10.1061/(asce)cp.1943-5487.0000756","pdf_url":null,"source":{"id":"https://openalex.org/S176637136","display_name":"Journal of Computing in Civil Engineering","issn_l":"0887-3801","issn":["0887-3801","1943-5487"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computing in Civil Engineering","raw_type":"journal-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/78040","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/78040","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal/Magazine Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.6200000047683716,"id":"https://metadata.un.org/sdg/8"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320324196","display_name":"Innovation and Technology Commission - Hong Kong","ror":"https://ror.org/04vf9tr09"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W313314885","https://openalex.org/W639708223","https://openalex.org/W1528620860","https://openalex.org/W1536680647","https://openalex.org/W1929042294","https://openalex.org/W1964598692","https://openalex.org/W1967320926","https://openalex.org/W1973445088","https://openalex.org/W1983705368","https://openalex.org/W1983902753","https://openalex.org/W1989730063","https://openalex.org/W2018299540","https://openalex.org/W2024562532","https://openalex.org/W2028198383","https://openalex.org/W2044772156","https://openalex.org/W2064132797","https://openalex.org/W2067534425","https://openalex.org/W2068897309","https://openalex.org/W2076796478","https://openalex.org/W2076871221","https://openalex.org/W2082299583","https://openalex.org/W2082459479","https://openalex.org/W2089253196","https://openalex.org/W2098106399","https://openalex.org/W2098339052","https://openalex.org/W2101534792","https://openalex.org/W2102605133","https://openalex.org/W2105101328","https://openalex.org/W2105594594","https://openalex.org/W2108598243","https://openalex.org/W2111361244","https://openalex.org/W2117409414","https://openalex.org/W2118401377","https://openalex.org/W2120419212","https://openalex.org/W2124386111","https://openalex.org/W2126574503","https://openalex.org/W2130026429","https://openalex.org/W2144506857","https://openalex.org/W2146143523","https://openalex.org/W2147880316","https://openalex.org/W2148725095","https://openalex.org/W2154346517","https://openalex.org/W2154400911","https://openalex.org/W2155467041","https://openalex.org/W2161879536","https://openalex.org/W2161969291","https://openalex.org/W2163605009","https://openalex.org/W2180635266","https://openalex.org/W2183182206","https://openalex.org/W2214000971","https://openalex.org/W2381252496","https://openalex.org/W2512256428","https://openalex.org/W2529764756","https://openalex.org/W2919115771"],"related_works":["https://openalex.org/W4293226380","https://openalex.org/W2085384747","https://openalex.org/W2106071040","https://openalex.org/W2088166309","https://openalex.org/W4312133475","https://openalex.org/W4238976562","https://openalex.org/W2276587472","https://openalex.org/W4248323080","https://openalex.org/W2615795876","https://openalex.org/W2049612369"],"abstract_inverted_index":{"Timely":[0],"and":[1,7,23,144,189],"overall":[2],"knowledge":[3],"of":[4,10,56,61,78,106,121,153,158],"the":[5,76,119,122,136,141,159],"states":[6],"resource":[8,19],"allocation":[9],"diverse":[11,95,167],"activities":[12,97,170],"on":[13,67,193],"construction":[14,96,131,154,169],"sites":[15],"is":[16,31,162,178],"critical":[17],"to":[18,149,165,180],"leveling,":[20],"progress":[21],"tracking,":[22],"productivity":[24],"analysis.":[25],"Despite":[26],"its":[27,163],"importance,":[28],"this":[29],"task":[30],"still":[32,99],"performed":[33],"manually.":[34],"Previous":[35],"studies":[36],"have":[37,50],"taken":[38],"a":[39,84,90,130,172],"significant":[40],"step":[41],"forward":[42],"in":[43,98,129,140,171,185],"introducing":[44],"computer":[45],"vision":[46],"technologies,":[47],"although":[48],"they":[49,64],"been":[51],"oriented":[52],"toward":[53],"limited":[54,59],"classes":[55,105],"objects":[57,108,114,128],"or":[58,83,124],"types":[60,152],"activities.":[62,155],"Furthermore,":[63],"especially":[65],"focus":[66],"single":[68],"activity":[69,80,145],"recognition,":[70],"where":[71],"an":[72,79],"image":[73,142],"contains":[74],"only":[75],"execution":[77],"by":[81],"one":[82],"few":[85],"objects.":[86],"This":[87],"paper":[88],"introduces":[89],"two-step":[91],"method":[92,161],"for":[93],"recognizing":[94],"site":[100],"images.":[101],"It":[102],"detects":[103],"22":[104],"construction-related":[107],"using":[109],"convolutional":[110],"neural":[111],"networks.":[112],"With":[113],"detected,":[115],"semantic":[116],"relevance":[117,134],"representing":[118,135],"likelihood":[120],"cooperation":[123],"coexistence":[125],"between":[126],"two":[127],"activity,":[132],"spatial":[133],"two-dimensional":[137],"pixel":[138],"proximity":[139],"coordinates,":[143],"patterns":[146],"are":[147],"defined":[148],"recognize":[150,166],"17":[151],"The":[156],"advantage":[157],"proposed":[160],"potential":[164],"concurrent":[168],"fully":[173],"automatic":[174],"way.":[175],"Therefore,":[176],"it":[177],"possible":[179],"save":[181],"managers\u2019":[182],"valuable":[183],"time":[184],"manual":[186],"data":[187],"collection":[188],"concentrate":[190],"their":[191,199],"attention":[192],"solving":[194],"problems":[195],"that":[196],"necessarily":[197],"demand":[198],"expertise.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":21},{"year":2024,"cited_by_count":27},{"year":2023,"cited_by_count":24},{"year":2022,"cited_by_count":28},{"year":2021,"cited_by_count":28},{"year":2020,"cited_by_count":27},{"year":2019,"cited_by_count":15},{"year":2018,"cited_by_count":6}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}