{"id":"https://openalex.org/W2791793776","doi":"https://doi.org/10.1109/vcip.2017.8305139","title":"Action proposals using hierarchical clustering of super-trajectories","display_name":"Action proposals using hierarchical clustering of super-trajectories","publication_year":2017,"publication_date":"2017-12-01","ids":{"openalex":"https://openalex.org/W2791793776","doi":"https://doi.org/10.1109/vcip.2017.8305139","mag":"2791793776"},"language":"en","primary_location":{"id":"doi:10.1109/vcip.2017.8305139","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vcip.2017.8305139","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Visual Communications and Image Processing (VCIP)","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/A5100437450","display_name":"Tianyi Zhang","orcid":"https://orcid.org/0000-0002-4474-914X"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Tianyi Zhang","raw_affiliation_strings":["School of Computer Science and Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032618817","display_name":"Li Niu","orcid":"https://orcid.org/0000-0003-1970-8634"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li Niu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Rice University, U.S"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Rice University, U.S","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100635804","display_name":"Jianfei Cai","orcid":"https://orcid.org/0000-0002-9444-3763"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jianfei Cai","raw_affiliation_strings":["School of Computer Science and Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080977911","display_name":"Alex C. Kot","orcid":"https://orcid.org/0000-0001-6262-8125"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Alex C. Kot","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100437450"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.22166534,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"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/T11439","display_name":"Video Analysis and Summarization","score":0.9980000257492065,"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.9940999746322632,"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-science","display_name":"Computer science","score":0.7785413265228271},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.7250816822052002},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.6908605694770813},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.663901150226593},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6519454121589661},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.601560652256012},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5787925124168396},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5460366010665894},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44700032472610474},{"id":"https://openalex.org/keywords/hierarchical-clustering","display_name":"Hierarchical clustering","score":0.42351460456848145},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.33578991889953613},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09792140126228333}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7785413265228271},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.7250816822052002},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.6908605694770813},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.663901150226593},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6519454121589661},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.601560652256012},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5787925124168396},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5460366010665894},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44700032472610474},{"id":"https://openalex.org/C92835128","wikidata":"https://www.wikidata.org/wiki/Q1277447","display_name":"Hierarchical clustering","level":3,"score":0.42351460456848145},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.33578991889953613},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09792140126228333},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vcip.2017.8305139","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vcip.2017.8305139","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE Visual Communications and Image Processing (VCIP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320766","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302"},{"id":"https://openalex.org/F4320325256","display_name":"Info-communications Media Development Authority","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W7746136","https://openalex.org/W410625161","https://openalex.org/W1496571393","https://openalex.org/W1559046793","https://openalex.org/W1797109199","https://openalex.org/W1808966389","https://openalex.org/W1923332106","https://openalex.org/W1945129080","https://openalex.org/W1999478155","https://openalex.org/W2010181071","https://openalex.org/W2018068650","https://openalex.org/W2030346542","https://openalex.org/W2081432165","https://openalex.org/W2088049833","https://openalex.org/W2095661305","https://openalex.org/W2097342496","https://openalex.org/W2101194540","https://openalex.org/W2102605133","https://openalex.org/W2105101328","https://openalex.org/W2119799051","https://openalex.org/W2123477621","https://openalex.org/W2131311058","https://openalex.org/W2153635508","https://openalex.org/W2175354415","https://openalex.org/W2212903133","https://openalex.org/W2396265832","https://openalex.org/W2779250840","https://openalex.org/W6600313631","https://openalex.org/W6629607343","https://openalex.org/W6633313784","https://openalex.org/W6670927870","https://openalex.org/W6674985822","https://openalex.org/W6679761776"],"related_works":["https://openalex.org/W2378211422","https://openalex.org/W4321353415","https://openalex.org/W2745001401","https://openalex.org/W2130974462","https://openalex.org/W2028665553","https://openalex.org/W2086519370","https://openalex.org/W4246352526","https://openalex.org/W2121910908","https://openalex.org/W915438175","https://openalex.org/W3200375535"],"abstract_inverted_index":{"Action":[0],"localization":[1,137],"aims":[2],"to":[3,27,35],"determine":[4],"the":[5,29,37,48,57,126,135],"spatial":[6],"and":[7,66,90,101,114],"temporal":[8,102],"location":[9],"of":[10,31,40,59],"certain":[11],"action":[12,20,30,64,67,74,119,136],"which":[13,24],"appears":[14],"in":[15,43,51],"a":[16,44],"video.":[17],"To":[18],"facilitate":[19],"localization,":[21],"spatio-temporal":[22,60],"proposals":[23,50],"are":[25,33],"likely":[26],"contain":[28],"interest":[32],"extracted":[34],"reduce":[36],"search":[38],"space":[39],"candidate":[41],"locations":[42],"video,":[45],"inspired":[46,87],"by":[47,88,97],"object":[49],"images.":[52],"In":[53],"this":[54],"paper,":[55],"considering":[56],"effectiveness":[58],"trajectories":[61,84],"for":[62,134],"video":[63],"recognition":[65],"proposal":[68,75,120],"generation,":[69],"we":[70,81],"build":[71],"our":[72,118],"unsupervised":[73],"generation":[76,121],"pipeline":[77,122],"upon":[78],"super-trajectories.":[79],"Specifically,":[80],"first":[82],"group":[83],"into":[85,104],"super-trajectories":[86,96],"super-voxels,":[89],"then":[91],"employ":[92],"hierarchical":[93],"clustering":[94],"on":[95,108],"taking":[98],"different":[99],"aspect":[100],"ratios":[103],"consideration.":[105],"Comprehensive":[106],"experiments":[107],"two":[109],"benchmark":[110],"datasets":[111],"(i.e.,":[112],"UCF-sports":[113],"MSR-II)":[115],"demonstrate":[116],"that":[117],"not":[123],"only":[124],"achieves":[125,131],"state-of-the-art":[127],"recall,":[128],"but":[129],"also":[130],"competitive":[132],"results":[133],"task.":[138]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}