{"id":"https://openalex.org/W2129724239","doi":"https://doi.org/10.1109/iros.2011.6094534","title":"Invariant trajectory indexing for real time 3D motion recognition","display_name":"Invariant trajectory indexing for real time 3D motion recognition","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2129724239","doi":"https://doi.org/10.1109/iros.2011.6094534","mag":"2129724239"},"language":"en","primary_location":{"id":"doi:10.1109/iros.2011.6094534","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2011.6094534","pdf_url":null,"source":{"id":"https://openalex.org/S4363608614","display_name":"2011 IEEE/RSJ International Conference on Intelligent Robots and Systems","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE/RSJ International Conference on Intelligent Robots and Systems","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/A5100660972","display_name":"Jianyu Yang","orcid":"https://orcid.org/0000-0002-4726-8384"},"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"]},{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN","HK"],"is_corresponding":true,"raw_author_name":"Jianyu Yang","raw_affiliation_strings":["Department of Manufacturing Engineering and Engineering Management, Joint Advanced Research Centre of University of Science and Technology of China, City University of Hong Kong, Suzhou, China","Department of Manufacturing Engineering and Engineering Management, Joint Advanced Research Centre of University of Science and Technology of China and City University of Hong Kong, Suzhou, China"],"affiliations":[{"raw_affiliation_string":"Department of Manufacturing Engineering and Engineering Management, Joint Advanced Research Centre of University of Science and Technology of China, City University of Hong Kong, Suzhou, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Manufacturing Engineering and Engineering Management, Joint Advanced Research Centre of University of Science and Technology of China and City University of Hong Kong, Suzhou, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100642147","display_name":"Youfu Li","orcid":"https://orcid.org/0000-0002-5227-1326"},"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":"Y. F. Li","raw_affiliation_strings":["Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Kowloon, Hong Kong, China","Department of Manufacturing Engineering & Engineering Management, City University of Hong Kong, Kowloon, Hong Kong#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Kowloon, Hong Kong, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Manufacturing Engineering & Engineering Management, City University of Hong Kong, Kowloon, Hong Kong#TAB#","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101922920","display_name":"Keyi Wang","orcid":"https://orcid.org/0000-0001-8454-9217"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Keyi Wang","raw_affiliation_strings":["Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, China","Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]},{"raw_affiliation_string":"Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, China#TAB#","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100660972"],"corresponding_institution_ids":["https://openalex.org/I126520041","https://openalex.org/I168719708"],"apc_list":null,"apc_paid":null,"fwci":1.378,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.81727575,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"2","issue":null,"first_page":"3440","last_page":"3445"},"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/T11439","display_name":"Video Analysis and Summarization","score":0.9995999932289124,"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/T12290","display_name":"Human Motion and Animation","score":0.9980000257492065,"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/search-engine-indexing","display_name":"Search engine indexing","score":0.8201444149017334},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7310583591461182},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7145624756813049},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6898728609085083},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.676040768623352},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.6026933789253235},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.5114418268203735},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.42569220066070557},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.41339969635009766},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21076267957687378}],"concepts":[{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.8201444149017334},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7310583591461182},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7145624756813049},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6898728609085083},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.676040768623352},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.6026933789253235},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.5114418268203735},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.42569220066070557},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.41339969635009766},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21076267957687378},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iros.2011.6094534","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros.2011.6094534","pdf_url":null,"source":{"id":"https://openalex.org/S4363608614","display_name":"2011 IEEE/RSJ International Conference on Intelligent Robots and Systems","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE/RSJ International Conference on Intelligent Robots and Systems","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":20,"referenced_works":["https://openalex.org/W1480403092","https://openalex.org/W1514469781","https://openalex.org/W1560013842","https://openalex.org/W2009590182","https://openalex.org/W2014884175","https://openalex.org/W2022970079","https://openalex.org/W2036361369","https://openalex.org/W2044595627","https://openalex.org/W2088775700","https://openalex.org/W2093138134","https://openalex.org/W2125854396","https://openalex.org/W2127513746","https://openalex.org/W2141733693","https://openalex.org/W2148572340","https://openalex.org/W2149467331","https://openalex.org/W2154607350","https://openalex.org/W2164711546","https://openalex.org/W4249314364","https://openalex.org/W6681579004","https://openalex.org/W6682226148"],"related_works":["https://openalex.org/W3024364549","https://openalex.org/W4206019083","https://openalex.org/W1976265003","https://openalex.org/W2054476758","https://openalex.org/W2370378377","https://openalex.org/W2048865712","https://openalex.org/W4210535024","https://openalex.org/W4237510188","https://openalex.org/W2101105382","https://openalex.org/W2051121715"],"abstract_inverted_index":{"Motion":[0],"trajectory":[1],"description":[2],"plays":[3],"an":[4],"important":[5],"role":[6],"in":[7,20,53],"motion":[8,37,95],"recognition":[9],"for":[10,23,36,92,102],"many":[11],"robotic":[12],"tasks.":[13],"The":[14,71,97],"previous":[15],"methods":[16],"are":[17,46],"too":[18],"high":[19,41],"computational":[21,72],"cost":[22,73],"real":[24,93],"time":[25,94],"recognition.":[26,96],"In":[27],"this":[28,83],"paper,":[29],"we":[30],"propose":[31],"a":[32,40],"novel":[33],"indexing":[34],"method":[35,84],"trajectories":[38,63],"as":[39],"level":[42,55],"invariant":[43],"descriptor.":[44],"Trajectories":[45],"segmented":[47],"into":[48],"basic":[49],"segments":[50],"and":[51,77,87],"represented":[52],"segment":[54,66],"rather":[56],"than":[57],"point":[58],"level.":[59],"We":[60],"index":[61],"the":[62,78],"by":[64],"their":[65],"sequences":[67],"to":[68],"recognize":[69],"them.":[70],"is":[74,85,99],"significantly":[75],"decreased":[76],"experimental":[79],"results":[80],"show":[81],"that":[82],"effective":[86],"it":[88],"can":[89],"be":[90],"used":[91],"accuracy":[98],"also":[100],"preserved":[101],"long":[103],"term":[104],"trajectories.":[105]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
