{"id":"https://openalex.org/W1507316381","doi":"https://doi.org/10.1109/fg.2015.7163123","title":"Efficient and effective human action recognition in video through motion boundary description with a compact set of trajectories","display_name":"Efficient and effective human action recognition in video through motion boundary description with a compact set of trajectories","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W1507316381","doi":"https://doi.org/10.1109/fg.2015.7163123","mag":"1507316381"},"language":"en","primary_location":{"id":"doi:10.1109/fg.2015.7163123","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fg.2015.7163123","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://biblio.ugent.be/publication/7238034/file/7238038.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046505461","display_name":"Jeong-Jik Seo","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jeong-Jik Seo","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042447743","display_name":"Jisoo Son","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jisoo Son","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038009350","display_name":"Hyung-Il Kim","orcid":"https://orcid.org/0000-0001-6425-549X"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyung-Il Kim","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029555436","display_name":"Wesley De Neve","orcid":"https://orcid.org/0000-0002-8190-3839"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]},{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]},{"id":"https://openalex.org/I39327780","display_name":"iMinds","ror":"https://ror.org/03baec336","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I39327780"]}],"countries":["BE","KR"],"is_corresponding":false,"raw_author_name":"Wesley De Neve","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","Multimedia Lab, Ghent University-iMinds, Belgium"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Multimedia Lab, Ghent University-iMinds, Belgium","institution_ids":["https://openalex.org/I39327780","https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038798134","display_name":"Yong Man Ro","orcid":"https://orcid.org/0000-0001-5306-6853"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Man Ro Yong","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology, Daejeon, Daejeon, KR"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology, Daejeon, Daejeon, KR","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5046505461"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.5611,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.73342201,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":1.0,"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/T10812","display_name":"Human Pose and Action Recognition","score":1.0,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9961000084877014,"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":0.9955999851226807,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8245905637741089},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7389511466026306},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.6067820191383362},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6064028739929199},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.5944496393203735},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.5714765787124634},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.5589748024940491},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5578920841217041},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5412973165512085},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.5338301658630371},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.49592170119285583},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.46830761432647705},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4514823853969574},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.4483076333999634},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.42467549443244934},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2594342529773712},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1859492063522339}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8245905637741089},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7389511466026306},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.6067820191383362},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6064028739929199},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.5944496393203735},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.5714765787124634},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.5589748024940491},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5578920841217041},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5412973165512085},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.5338301658630371},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.49592170119285583},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.46830761432647705},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4514823853969574},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.4483076333999634},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.42467549443244934},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2594342529773712},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1859492063522339},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/fg.2015.7163123","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fg.2015.7163123","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition (FG)","raw_type":"proceedings-article"},{"id":"pmh:oai:archive.ugent.be:7238034","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-7238034","pdf_url":"https://biblio.ugent.be/publication/7238034/file/7238038.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"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":"ISBN: 9781479960262","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:archive.ugent.be:7238034","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-7238034","pdf_url":"https://biblio.ugent.be/publication/7238034/file/7238038.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"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":"ISBN: 9781479960262","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1507316381.pdf","grobid_xml":"https://content.openalex.org/works/W1507316381.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W24089286","https://openalex.org/W33363299","https://openalex.org/W413992410","https://openalex.org/W1534763723","https://openalex.org/W1595717062","https://openalex.org/W1606858007","https://openalex.org/W1755205674","https://openalex.org/W1854502593","https://openalex.org/W1973166425","https://openalex.org/W1974794302","https://openalex.org/W1980176153","https://openalex.org/W1981781955","https://openalex.org/W1996904744","https://openalex.org/W2016053056","https://openalex.org/W2018870022","https://openalex.org/W2020163092","https://openalex.org/W2064776690","https://openalex.org/W2065222548","https://openalex.org/W2068611653","https://openalex.org/W2105101328","https://openalex.org/W2106996050","https://openalex.org/W2108333036","https://openalex.org/W2109761267","https://openalex.org/W2114361838","https://openalex.org/W2121647436","https://openalex.org/W2126579184","https://openalex.org/W2129812935","https://openalex.org/W2142194269","https://openalex.org/W2161969291","https://openalex.org/W2163292664","https://openalex.org/W2171056981","https://openalex.org/W2308045930","https://openalex.org/W2533739470","https://openalex.org/W3099514962","https://openalex.org/W6600983433","https://openalex.org/W6601331120","https://openalex.org/W6614347794","https://openalex.org/W6632082525","https://openalex.org/W6635755983","https://openalex.org/W6636412649","https://openalex.org/W6639100267","https://openalex.org/W6666975800","https://openalex.org/W6675650955","https://openalex.org/W6677137762"],"related_works":["https://openalex.org/W2030154815","https://openalex.org/W2051121715","https://openalex.org/W4297270893","https://openalex.org/W1929254672","https://openalex.org/W1989248078","https://openalex.org/W2577671007","https://openalex.org/W1591216093","https://openalex.org/W2545120792","https://openalex.org/W2912100719","https://openalex.org/W2963330455"],"abstract_inverted_index":{"Human":[0],"action":[1,114],"recognition":[2],"(HAR)":[3],"is":[4,23],"at":[5],"the":[6,39,53,78,85,118,132],"core":[7],"of":[8,42,55,80,87,127],"human-computer":[9],"interaction":[10],"and":[11,52],"video":[12,32],"scene":[13],"understanding.":[14],"However,":[15],"achieving":[16],"effective":[17],"HAR":[18,123],"in":[19,63,125],"an":[20],"unconstrained":[21],"environment":[22],"still":[24,58],"a":[25,64,72,102],"challenging":[26],"task.":[27],"To":[28],"that":[29,117],"end,":[30],"trajectory-based":[31],"representations":[33],"are":[34],"currently":[35],"widely":[36],"used.":[37],"Despite":[38],"promising":[40],"levels":[41],"effectiveness":[43,86],"achieved":[44],"by":[45],"these":[46],"approaches,":[47],"problems":[48],"regarding":[49],"computational":[50,133],"complexity":[51],"presence":[54],"redundant":[56,81],"trajectories":[57,82],"need":[59],"to":[60,90,97],"be":[61],"addressed":[62],"satisfactory":[65],"way.":[66],"In":[67],"this":[68],"paper,":[69],"we":[70,100],"propose":[71],"method":[73,103],"for":[74,104],"trajectory":[75,98],"rejection,":[76],"reducing":[77],"number":[79],"without":[83],"degrading":[84],"HAR.":[88],"Furthermore,":[89],"realize":[91],"efficient":[92],"optical":[93],"flow":[94],"estimation":[95],"prior":[96],"extraction,":[99],"integrate":[101],"dynamic":[105],"frame":[106],"skipping.":[107],"Experiments":[108],"with":[109],"four":[110],"publicly":[111],"available":[112],"human":[113],"datasets":[115],"show":[116],"proposed":[119],"approach":[120],"outperforms":[121],"state-of-the-art":[122],"approaches":[124],"terms":[126],"effectiveness,":[128],"while":[129],"simultaneously":[130],"mitigating":[131],"complexity.":[134]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}