{"id":"https://openalex.org/W2773026175","doi":"https://doi.org/10.1109/ictc.2017.8190882","title":"Crowdedness measuring system considering view angle of CCTV camera","display_name":"Crowdedness measuring system considering view angle of CCTV camera","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2773026175","doi":"https://doi.org/10.1109/ictc.2017.8190882","mag":"2773026175"},"language":"en","primary_location":{"id":"doi:10.1109/ictc.2017.8190882","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc.2017.8190882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 International Conference on Information and Communication Technology Convergence (ICTC)","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/A5101700697","display_name":"Yewon Kim","orcid":"https://orcid.org/0000-0003-1902-6262"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Yewon Kim","raw_affiliation_strings":["School of Electrical Engineering Korea University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering Korea University, Seoul, Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047657377","display_name":"Seongjoon Park","orcid":"https://orcid.org/0000-0001-5118-0572"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seongjoon Park","raw_affiliation_strings":["Korea University, Seongbuk-gu, Seoul, KR"],"affiliations":[{"raw_affiliation_string":"Korea University, Seongbuk-gu, Seoul, KR","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028781455","display_name":"Hwangnam Kim","orcid":"https://orcid.org/0000-0003-4322-8518"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hwangnam Kim","raw_affiliation_strings":["School of Electrical Engineering Korea University, Seoul, Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering Korea University, Seoul, Korea","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101700697"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.22573867,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"21","issue":null,"first_page":"1149","last_page":"1152"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10799","display_name":"Data Visualization and Analytics","score":0.9850000143051147,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7720820903778076},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7441324591636658},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6487191319465637},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6177678108215332},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.6092662811279297},{"id":"https://openalex.org/keywords/extractor","display_name":"Extractor","score":0.5716694593429565},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5465344190597534},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.4953133165836334},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.47953271865844727},{"id":"https://openalex.org/keywords/object-detection","display_name":"Object detection","score":0.45494982600212097},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.349345862865448},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.19192036986351013},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10985457897186279},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.06732428073883057}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7720820903778076},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7441324591636658},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6487191319465637},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6177678108215332},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.6092662811279297},{"id":"https://openalex.org/C117978034","wikidata":"https://www.wikidata.org/wiki/Q5422192","display_name":"Extractor","level":2,"score":0.5716694593429565},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5465344190597534},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.4953133165836334},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.47953271865844727},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.45494982600212097},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.349345862865448},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.19192036986351013},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10985457897186279},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.06732428073883057},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ictc.2017.8190882","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc.2017.8190882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 International Conference on Information and Communication Technology Convergence (ICTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.5799999833106995,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1578733914","https://openalex.org/W2026000422","https://openalex.org/W2079291076","https://openalex.org/W2120502036","https://openalex.org/W2121274305","https://openalex.org/W2127070222","https://openalex.org/W2143043044"],"related_works":["https://openalex.org/W3082848404","https://openalex.org/W1979583797","https://openalex.org/W2016864125","https://openalex.org/W4255837520","https://openalex.org/W2372254676","https://openalex.org/W2085033728","https://openalex.org/W4285411112","https://openalex.org/W2793679056","https://openalex.org/W2387011115","https://openalex.org/W4292830139"],"abstract_inverted_index":{"In":[0,18],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,12],"system":[6],"to":[7,58,84],"measure":[8],"the":[9,19,27,41,46,50,54,63,70,74,77,85,97,100,106],"crowdedness":[10,80],"of":[11,79,91,102,105],"specific":[13],"area":[14,48,56,72],"using":[15,26,49],"CCTV":[16,108],"images.":[17],"proposed":[20],"system,":[21],"objects":[22],"are":[23],"distinguished":[24],"by":[25,40,73,96],"Visual":[28],"Background":[29],"Extractor":[30],"(ViBe)":[31],"algorithm.":[32],"The":[33,89],"background":[34],"that":[35],"has":[36],"not":[37],"been":[38],"removed":[39],"ViBe":[42],"is":[43,66,82,87,94],"excluded":[44],"from":[45],"object":[47,55],"opening":[51],"technique.":[52],"Then,":[53],"assigned":[57],"different":[59],"weights":[60],"based":[61],"on":[62],"pixel":[64,93],"positions":[65],"calculated.":[67],"By":[68],"dividing":[69],"obtained":[71],"total":[75],"area,":[76],"degree":[78],"which":[81],"proportional":[83],"population":[86],"derived.":[88],"weight":[90],"each":[92],"determined":[95],"position":[98],"and":[99],"angle":[101],"view":[103],"information":[104],"actual":[107],"camera.":[109]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}