{"id":"https://openalex.org/W2984478308","doi":"https://doi.org/10.1109/iccv.2019.00400","title":"Weakly Supervised Temporal Action Localization Through Contrast Based Evaluation Networks","display_name":"Weakly Supervised Temporal Action Localization Through Contrast Based Evaluation Networks","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2984478308","doi":"https://doi.org/10.1109/iccv.2019.00400","mag":"2984478308"},"language":"en","primary_location":{"id":"doi:10.1109/iccv.2019.00400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv.2019.00400","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE/CVF International Conference on Computer Vision (ICCV)","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/A5100383203","display_name":"Ziyi Liu","orcid":"https://orcid.org/0000-0002-2407-9599"},"institutions":[{"id":"https://openalex.org/I4210105595","display_name":"Institute of Art","ror":"https://ror.org/017fyx225","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210105595","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN","PL"],"is_corresponding":true,"raw_author_name":"Ziyi Liu","raw_affiliation_strings":["Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University"],"affiliations":[{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]},{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101601307","display_name":"Le Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210105595","display_name":"Institute of Art","ror":"https://ror.org/017fyx225","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210105595","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN","PL"],"is_corresponding":false,"raw_author_name":"Le Wang","raw_affiliation_strings":["Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University"],"affiliations":[{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]},{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100756983","display_name":"Qilin Zhang","orcid":"https://orcid.org/0000-0002-7917-9749"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Qilin Zhang","raw_affiliation_strings":["HERE Technologies"],"affiliations":[{"raw_affiliation_string":"HERE Technologies","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068652728","display_name":"Zhanning Gao","orcid":"https://orcid.org/0000-0003-2031-2805"},"institutions":[{"id":"https://openalex.org/I4210086143","display_name":"Alibaba Group (Cayman Islands)","ror":"https://ror.org/00mnrxf72","country_code":"KY","type":"company","lineage":["https://openalex.org/I4210086143","https://openalex.org/I45928872"]}],"countries":["KY"],"is_corresponding":false,"raw_author_name":"Zhanning Gao","raw_affiliation_strings":["DAMO Academy, Alibaba Group"],"affiliations":[{"raw_affiliation_string":"DAMO Academy, Alibaba Group","institution_ids":["https://openalex.org/I4210086143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113948735","display_name":"Zhenxing Niu","orcid":"https://orcid.org/0000-0003-1660-5138"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhenxing Niu","raw_affiliation_strings":["Machine Intelligence Israel Lab, Alibaba Group"],"affiliations":[{"raw_affiliation_string":"Machine Intelligence Israel Lab, Alibaba Group","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047405956","display_name":"Nanning Zheng","orcid":"https://orcid.org/0000-0003-1608-8257"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]},{"id":"https://openalex.org/I4210105595","display_name":"Institute of Art","ror":"https://ror.org/017fyx225","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210105595","https://openalex.org/I99542240"]}],"countries":["CN","PL"],"is_corresponding":false,"raw_author_name":"Nanning Zheng","raw_affiliation_strings":["Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University"],"affiliations":[{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi\u2019an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]},{"raw_affiliation_string":"Institute of Artificial Intelligence and Robotics, Xi'an Jiaotong University","institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081114810","display_name":"Gang Hua","orcid":"https://orcid.org/0000-0001-9522-6157"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gang Hua","raw_affiliation_strings":["Wormpex AI Research"],"affiliations":[{"raw_affiliation_string":"Wormpex AI Research","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100383203"],"corresponding_institution_ids":["https://openalex.org/I4210105595","https://openalex.org/I87445476"],"apc_list":null,"apc_paid":null,"fwci":9.3126,"has_fulltext":false,"cited_by_count":124,"citation_normalized_percentile":{"value":0.98370737,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"3898","last_page":"3907"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","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/T10812","display_name":"Human Pose and Action Recognition","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":0.988099992275238,"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/T11227","display_name":"Diabetic Foot Ulcer Assessment and Management","score":0.9796000123023987,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8206491470336914},{"id":"https://openalex.org/keywords/snippet","display_name":"Snippet","score":0.8177859783172607},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.7292490601539612},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.6960633993148804},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6373956203460693},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6212620139122009},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6101987361907959},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.42379242181777954},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3634350597858429},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.12271445989608765},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09291103482246399}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8206491470336914},{"id":"https://openalex.org/C2777822670","wikidata":"https://www.wikidata.org/wiki/Q1120538","display_name":"Snippet","level":2,"score":0.8177859783172607},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.7292490601539612},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.6960633993148804},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6373956203460693},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6212620139122009},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6101987361907959},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.42379242181777954},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3634350597858429},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.12271445989608765},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09291103482246399},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccv.2019.00400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv.2019.00400","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE/CVF International Conference on Computer Vision (ICCV)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W639708223","https://openalex.org/W1522734439","https://openalex.org/W1536680647","https://openalex.org/W1686810756","https://openalex.org/W1836465849","https://openalex.org/W1927052826","https://openalex.org/W1983364832","https://openalex.org/W2020163092","https://openalex.org/W2033740597","https://openalex.org/W2063153269","https://openalex.org/W2102605133","https://openalex.org/W2105101328","https://openalex.org/W2131042978","https://openalex.org/W2156303437","https://openalex.org/W2342662179","https://openalex.org/W2507009361","https://openalex.org/W2519328139","https://openalex.org/W2533739470","https://openalex.org/W2544297360","https://openalex.org/W2593722617","https://openalex.org/W2597958930","https://openalex.org/W2604113307","https://openalex.org/W2607566495","https://openalex.org/W2728972335","https://openalex.org/W2755876276","https://openalex.org/W2884293275","https://openalex.org/W2895240652","https://openalex.org/W2899771611","https://openalex.org/W2962677524","https://openalex.org/W2962709777","https://openalex.org/W2962835968","https://openalex.org/W2962876901","https://openalex.org/W2963037989","https://openalex.org/W2963045696","https://openalex.org/W2963247196","https://openalex.org/W2963524571","https://openalex.org/W2964008341","https://openalex.org/W2964107628","https://openalex.org/W2964191259","https://openalex.org/W2964214371","https://openalex.org/W2964216549","https://openalex.org/W3103081334","https://openalex.org/W6637373629","https://openalex.org/W6638667902","https://openalex.org/W6682864246","https://openalex.org/W6724944384","https://openalex.org/W6726711304","https://openalex.org/W6729119356","https://openalex.org/W6737159596","https://openalex.org/W6739786936","https://openalex.org/W6751389191","https://openalex.org/W6756040250"],"related_works":["https://openalex.org/W1607713096","https://openalex.org/W3036724449","https://openalex.org/W2798329462","https://openalex.org/W1511521437","https://openalex.org/W3201315194","https://openalex.org/W4318980730","https://openalex.org/W4289376745","https://openalex.org/W2950904665","https://openalex.org/W2896663616","https://openalex.org/W2023083803"],"abstract_inverted_index":{"Weakly-supervised":[0],"temporal":[1,22,80,96],"action":[2,14,23,54,71,84,90,102,111,116,139],"localization":[3,117,140],"(WS-TAL)":[4],"is":[5,119,130,141],"a":[6,143],"promising":[7],"but":[8],"challenging":[9],"task":[10],"with":[11,68,109],"only":[12],"video-level":[13,38,43],"categorical":[15],"labels":[16],"available":[17],"during":[18],"training.":[19,128],"Without":[20],"requiring":[21],"boundary":[24],"annotations":[25],"in":[26,49,82,131],"training":[27],"data,":[28],"WS-TAL":[29,136,161],"could":[30],"possibly":[31],"exploit":[32],"automatically":[33],"retrieved":[34],"video":[35],"tags":[36],"as":[37],"labels.":[39],"However,":[40],"such":[41],"coarse":[42],"supervision":[44],"inevitably":[45],"incurs":[46],"confusions,":[47],"especially":[48],"untrimmed":[50],"videos":[51],"containing":[52],"multiple":[53],"instances.":[55,112],"To":[56],"address":[57],"this":[58],"challenge,":[59],"we":[60],"propose":[61],"the":[62,79,88,114,153],"Contrast-based":[63],"Localization":[64],"EvaluAtioN":[65],"Network":[66],"(CleanNet)":[67],"our":[69],"new":[70,89,115],"proposal":[72,91],"evaluator,":[73],"which":[74,125],"provides":[75],"pseudo-supervision":[76],"by":[77],"leveraging":[78],"contrast":[81,97,132],"snippet-level":[83],"classification":[85],"predictions.":[86],"Essentially,":[87],"evaluator":[92],"enforces":[93],"an":[94,120],"additional":[95],"constraint":[98],"so":[99],"that":[100],"high-evaluation-score":[101],"proposals":[103],"are":[104],"more":[105],"likely":[106],"to":[107,133],"coincide":[108],"true":[110],"Moreover,":[113],"module":[118],"integral":[121],"part":[122],"of":[123,155],"CleanNet":[124,156],"enables":[126],"end-to-end":[127],"This":[129],"many":[134],"existing":[135,158],"methods":[137],"where":[138],"merely":[142],"post-processing":[144],"step.":[145],"Experiments":[146],"on":[147],"THUMOS14":[148],"and":[149],"ActivityNet":[150],"datasets":[151],"validate":[152],"efficacy":[154],"against":[157],"state-ofthe-":[159],"art":[160],"algorithms.":[162]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":29},{"year":2021,"cited_by_count":41},{"year":2020,"cited_by_count":20},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
