{"id":"https://openalex.org/W2318253906","doi":"https://doi.org/10.1109/tcsvt.2015.2489418","title":"Counting People Crossing a Line Using Integer Programming and Local Features","display_name":"Counting People Crossing a Line Using Integer Programming and Local Features","publication_year":2015,"publication_date":"2015-10-09","ids":{"openalex":"https://openalex.org/W2318253906","doi":"https://doi.org/10.1109/tcsvt.2015.2489418","mag":"2318253906"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2015.2489418","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2489418","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://scholars.cityu.edu.hk/en/publications/counting-people-crossing-a-line-using-integer-programming-and-loc","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100656554","display_name":"Zheng Ma","orcid":null},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zheng Ma","raw_affiliation_strings":["City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065680386","display_name":"Antoni B. Chan","orcid":"https://orcid.org/0000-0002-2886-2513"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Antoni B. Chan","raw_affiliation_strings":["City University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I168719708"],"apc_list":null,"apc_paid":null,"fwci":1.6534,"has_fulltext":true,"cited_by_count":37,"citation_normalized_percentile":{"value":0.87382511,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"26","issue":"10","first_page":"1955","last_page":"1969"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9998999834060669,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9904999732971191,"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/integer-programming","display_name":"Integer programming","score":0.603901743888855},{"id":"https://openalex.org/keywords/sliding-window-protocol","display_name":"Sliding window protocol","score":0.6029402017593384},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.5561867952346802},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.5433772802352905},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5392817854881287},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.5279920101165771},{"id":"https://openalex.org/keywords/count-data","display_name":"Count data","score":0.49380454421043396},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4888250231742859},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4797824025154114},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.47483664751052856},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.429240345954895},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4188178479671478},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3607936203479767},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.3248535990715027},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2024693787097931}],"concepts":[{"id":"https://openalex.org/C56086750","wikidata":"https://www.wikidata.org/wiki/Q6042592","display_name":"Integer programming","level":2,"score":0.603901743888855},{"id":"https://openalex.org/C102392041","wikidata":"https://www.wikidata.org/wiki/Q592860","display_name":"Sliding window protocol","level":3,"score":0.6029402017593384},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.5561867952346802},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.5433772802352905},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5392817854881287},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.5279920101165771},{"id":"https://openalex.org/C33643355","wikidata":"https://www.wikidata.org/wiki/Q5176731","display_name":"Count data","level":3,"score":0.49380454421043396},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4888250231742859},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4797824025154114},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47483664751052856},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.429240345954895},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4188178479671478},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3607936203479767},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.3248535990715027},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2024693787097931},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C100906024","wikidata":"https://www.wikidata.org/wiki/Q205692","display_name":"Poisson distribution","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tcsvt.2015.2489418","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2489418","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},{"is_oa":true,"landing_page_url":"https://scholars.cityu.edu.hk/en/publications/counting-people-crossing-a-line-using-integer-programming-and-loc","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:publications/2d802877-3ec9-4e4b-995b-4f7ba67daf70","is_oa":true,"landing_page_url":"https://scholars.cityu.edu.hk/en/publications/2d802877-3ec9-4e4b-995b-4f7ba67daf70","pdf_url":"https://scholars.cityu.edu.hk/files/194335616/11836970.pdf","source":{"id":"https://openalex.org/S7407055387","display_name":"CityU Scholars","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Ma, Z & Chan, A B 2016, 'Counting people crossing a line using integer programming and local features', IEEE Transactions on Circuits and Systems for Video Technology, vol. 26, no. 10, 7295569, pp. 1955-1969. https://doi.org/10.1109/TCSVT.2015.2489418","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://scholars.cityu.edu.hk/en/publications/counting-people-crossing-a-line-using-integer-programming-and-loc","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.5899999737739563,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320309893","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W128019999","https://openalex.org/W1746819321","https://openalex.org/W1910776219","https://openalex.org/W1977069908","https://openalex.org/W1991798049","https://openalex.org/W2044208973","https://openalex.org/W2075875861","https://openalex.org/W2088929512","https://openalex.org/W2097324787","https://openalex.org/W2120419212","https://openalex.org/W2121864252","https://openalex.org/W2123175289","https://openalex.org/W2125095437","https://openalex.org/W2129597587","https://openalex.org/W2145983039","https://openalex.org/W2150319071","https://openalex.org/W2151103935","https://openalex.org/W2154504070","https://openalex.org/W2155916750","https://openalex.org/W2161969291","https://openalex.org/W2162616721","https://openalex.org/W2164990725","https://openalex.org/W2541389513","https://openalex.org/W3040777582","https://openalex.org/W4211049957","https://openalex.org/W4249022109","https://openalex.org/W6674662834","https://openalex.org/W6678706630","https://openalex.org/W6681368121","https://openalex.org/W6780413204"],"related_works":["https://openalex.org/W4214644238","https://openalex.org/W2109115373","https://openalex.org/W2390901981","https://openalex.org/W3014558862","https://openalex.org/W1925942709","https://openalex.org/W2047683846","https://openalex.org/W2044902158","https://openalex.org/W2082154838","https://openalex.org/W2109912052","https://openalex.org/W1711527768"],"abstract_inverted_index":{"We":[0],"propose":[1],"an":[2,89],"integer":[3,90],"programming":[4,91],"method":[5,92],"for":[6,126],"estimating":[7],"the":[8,28,39,53,71,78,81,85,97,102,114,120],"instantaneous":[9,82],"count":[10,72,116],"of":[11,16,41,48,80,99,117],"pedestrians":[12,100,118],"crossing":[13,101,119],"a":[14,20,24,34,46,58,67,74,109],"line":[15,25,127],"interest":[17],"(LOI)":[18],"in":[19,45,73,84,104],"video":[21,29,139],"sequence.":[22],"Through":[23],"sampling":[26],"process,":[27],"is":[30,43,77,93],"first":[31],"converted":[32],"into":[33],"temporal":[35,54],"slice":[36,55],"image.":[37],"Next,":[38],"number":[40,98],"people":[42],"estimated":[44],"set":[47],"overlapping":[49],"sliding":[50,75],"windows":[51],"on":[52,135],"image,":[56],"using":[57],"regression":[59],"function":[60],"that":[61,70],"maps":[62],"from":[63],"local":[64],"features":[65],"to":[66,95],"count.":[68],"Given":[69],"window":[76],"sum":[79],"counts":[83],"corresponding":[86],"time":[87,111],"interval,":[88],"proposed":[94,130],"recover":[96],"LOI":[103],"each":[105],"frame.":[106],"Integrating":[107],"over":[108],"specific":[110],"interval":[112],"yields":[113],"cumulative":[115],"line.":[121],"Compared":[122],"with":[123],"current":[124],"methods":[125],"counting,":[128],"our":[129],"approach":[131],"achieves":[132],"state-of-the-art":[133],"performance":[134],"several":[136],"challenging":[137],"crowd":[138],"data":[140],"sets.":[141]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-08-04T08:18:43.703281","created_date":"2025-10-10T00:00:00"}
