{"id":"https://openalex.org/W2124819960","doi":"https://doi.org/10.1109/icip.2004.1419482","title":"A trajectory-based ball detection and tracking algorithm in broadcast tennis video","display_name":"A trajectory-based ball detection and tracking algorithm in broadcast tennis video","publication_year":2005,"publication_date":"2005-04-19","ids":{"openalex":"https://openalex.org/W2124819960","doi":"https://doi.org/10.1109/icip.2004.1419482","mag":"2124819960"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2004.1419482","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1419482","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","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/A5110150777","display_name":"Xinguo Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Xinguo Yu","raw_affiliation_strings":["Institute for Infocomm Research, Singapore"],"affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111731182","display_name":"Chern-Horng Sim","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chern-Horng Sim","raw_affiliation_strings":["Electrical and Computer Engineering, National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041357998","display_name":"J.R. Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"J.R. Wang","raw_affiliation_strings":["School of Computer Science & Engineering, University of New South Wales, Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computer Science & Engineering, University of New South Wales, Sydney, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110259948","display_name":"Loong Fah Cheong","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Loong Fah Cheong","raw_affiliation_strings":["Electrical and Computer Engineering, National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5110150777"],"corresponding_institution_ids":["https://openalex.org/I3005327000"],"apc_list":null,"apc_paid":null,"fwci":4.4769,"has_fulltext":false,"cited_by_count":54,"citation_normalized_percentile":{"value":0.95192727,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"2","issue":null,"first_page":"1049","last_page":"1052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","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/T11439","display_name":"Video Analysis and Summarization","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/T11674","display_name":"Sports Analytics and Performance","score":0.991100013256073,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12290","display_name":"Human Motion and Animation","score":0.9713000059127808,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/tennis-ball","display_name":"Tennis ball","score":0.7114101052284241},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7031164765357971},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5535149574279785},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5486059188842773},{"id":"https://openalex.org/keywords/ball","display_name":"Ball (mathematics)","score":0.5391182899475098},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.49457189440727234},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.4468661844730377},{"id":"https://openalex.org/keywords/sports-equipment","display_name":"sports equipment","score":0.130918949842453},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12145593762397766},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1154467761516571}],"concepts":[{"id":"https://openalex.org/C2992174615","wikidata":"https://www.wikidata.org/wiki/Q246514","display_name":"Tennis ball","level":3,"score":0.7114101052284241},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7031164765357971},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5535149574279785},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5486059188842773},{"id":"https://openalex.org/C122041747","wikidata":"https://www.wikidata.org/wiki/Q838611","display_name":"Ball (mathematics)","level":2,"score":0.5391182899475098},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.49457189440727234},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.4468661844730377},{"id":"https://openalex.org/C2780101202","wikidata":"https://www.wikidata.org/wiki/Q768186","display_name":"sports equipment","level":2,"score":0.130918949842453},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12145593762397766},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1154467761516571},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"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/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icip.2004.1419482","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1419482","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/69109","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/69109","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1482285819","https://openalex.org/W1571611579","https://openalex.org/W1946240176","https://openalex.org/W1999956262","https://openalex.org/W2039644762","https://openalex.org/W2099096476","https://openalex.org/W2101711611","https://openalex.org/W2141541685","https://openalex.org/W6634208891","https://openalex.org/W6650430342","https://openalex.org/W6675243626","https://openalex.org/W6681175199"],"related_works":["https://openalex.org/W2373557848","https://openalex.org/W2088970451","https://openalex.org/W2500432627","https://openalex.org/W2002488624","https://openalex.org/W2337502480","https://openalex.org/W2157008402","https://openalex.org/W2592302855","https://openalex.org/W2158788032","https://openalex.org/W2302011901","https://openalex.org/W2085868700"],"abstract_inverted_index":{"Ball":[0],"locations":[1,78,126,130,143,158],"over":[2],"frames":[3,81,162],"facilitate":[4],"tennis":[5,29],"video":[6,30],"analysis":[7],"to":[8,19,38,75,95,106,122,128,139],"a":[9,35,64,68,83,103,115,120,137,164],"great":[10],"extent.":[11],"But":[12],"so":[13],"far":[14],"no":[15],"algorithm":[16,37,72,154],"is":[17,57,67,73],"able":[18,74],"obtain":[20,76],"satisfactory":[21],"result":[22],"in":[23,27,44,82,163],"locating":[24],"the":[25,42,47,58,111,124,132,156],"ball":[26,43,69,77,97,112,125,142,146,157],"broadcast":[28],"(BTV).":[31],"This":[32,71],"paper":[33],"presents":[34],"trajectory-based":[36,104],"detect":[39],"and":[40,109,131],"track":[41],"BTV.":[45],"Unlike":[46],"object-based":[48],"algorithm,":[49],"it":[50,61],"does":[51],"not":[52],"decide":[53],"whether":[54,63],"an":[55,92],"object":[56],"ball.":[59],"Instead":[60],"decides":[62],"candidate":[65],"trajectory":[66],"trajectory.":[70],"for":[79,159,167],"most":[80],"BTV,":[84],"making":[85],"use":[86],"of":[87,117,134],"four":[88],"cues,":[89],"namely,":[90],"(1)":[91],"antimodel":[93],"method":[94,121,138],"produce":[96],"candidates":[98],"from":[99,114,144],"each":[100],"frame,":[101],"(2)":[102],"scheme":[105],"generate,":[107],"identify":[108],"extend":[110],"trajectories":[113],"set":[116],"candidates,":[118],"(3)":[119],"infer":[123],"according":[127],"players'":[129],"points":[133],"hitting,":[135],"(4)":[136],"estimate":[140],"missing":[141],"known":[145],"locations.":[147],"The":[148],"experimental":[149],"results":[150],"show":[151],"that":[152],"our":[153],"obtains":[155],"above":[160],"96%":[161],"sufficient":[165],"accuracy":[166],"summarization.":[168]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}