{"id":"https://openalex.org/W2777463533","doi":"https://doi.org/10.1109/dicta.2017.8227463","title":"Micro Actions and Deep Static Features for Activity Recognition","display_name":"Micro Actions and Deep Static Features for Activity Recognition","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2777463533","doi":"https://doi.org/10.1109/dicta.2017.8227463","mag":"2777463533"},"language":"en","primary_location":{"id":"doi:10.1109/dicta.2017.8227463","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dicta.2017.8227463","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 International Conference on Digital Image Computing: Techniques and Applications (DICTA)","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/A5102777273","display_name":"Sameera Ramasinghe","orcid":null},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":true,"raw_author_name":"Sameera Ramasinghe","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053765366","display_name":"Jathushan Rajasegaran","orcid":"https://orcid.org/0000-0003-1081-4254"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Jathushan Rajasegaran","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035831422","display_name":"Vinoj Jayasundara","orcid":"https://orcid.org/0000-0002-4759-3021"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Vinoj Jayasundara","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022250650","display_name":"Kanchana Ranasinghe","orcid":"https://orcid.org/0000-0003-2374-7804"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Kanchana Ranasinghe","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058175691","display_name":"Ranga Rodrigo","orcid":"https://orcid.org/0000-0002-1034-7513"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Ranga Rodrigo","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071939695","display_name":"Ajith Pasqual","orcid":"https://orcid.org/0000-0001-9728-9098"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Ajith Pasqual","raw_affiliation_strings":["Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Telecommuication Engineering, University of Moratuwa, Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5102777273"],"corresponding_institution_ids":["https://openalex.org/I195740183"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18963949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":null,"first_page":"1","last_page":"8"},"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/T12290","display_name":"Human Motion and Animation","score":0.9976999759674072,"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"}},{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9972000122070312,"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":0.7538964748382568},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7236963510513306},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6467654705047607},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5584064722061157},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5332220792770386},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.5043317079544067},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.47223520278930664},{"id":"https://openalex.org/keywords/clutter","display_name":"Clutter","score":0.4426741600036621},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.44162222743034363},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.42702916264533997},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3648257553577423},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.07890698313713074}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7538964748382568},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7236963510513306},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6467654705047607},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5584064722061157},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5332220792770386},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.5043317079544067},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.47223520278930664},{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.4426741600036621},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.44162222743034363},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.42702916264533997},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3648257553577423},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.07890698313713074},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/dicta.2017.8227463","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dicta.2017.8227463","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 International Conference on Digital Image Computing: Techniques and Applications (DICTA)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W33363299","https://openalex.org/W1211924006","https://openalex.org/W1489737693","https://openalex.org/W1522734439","https://openalex.org/W1595717062","https://openalex.org/W1850164289","https://openalex.org/W1855115939","https://openalex.org/W1904671147","https://openalex.org/W1942126453","https://openalex.org/W1983364832","https://openalex.org/W1985469025","https://openalex.org/W1996904744","https://openalex.org/W2100916003","https://openalex.org/W2105101328","https://openalex.org/W2118877769","https://openalex.org/W2126574503","https://openalex.org/W2128305246","https://openalex.org/W2132377940","https://openalex.org/W2149084152","https://openalex.org/W2156303437","https://openalex.org/W2162670331","https://openalex.org/W2163292664","https://openalex.org/W2165533158","https://openalex.org/W2169992457","https://openalex.org/W2342662179","https://openalex.org/W2410347997","https://openalex.org/W2507009361","https://openalex.org/W2798909945","https://openalex.org/W2952186347","https://openalex.org/W2963037989","https://openalex.org/W6635755983","https://openalex.org/W6638897846","https://openalex.org/W6724944384"],"related_works":["https://openalex.org/W2965546495","https://openalex.org/W2130674020","https://openalex.org/W2093748878","https://openalex.org/W2333771223","https://openalex.org/W4389116644","https://openalex.org/W2153315159","https://openalex.org/W3103844505","https://openalex.org/W2120056845","https://openalex.org/W259157601","https://openalex.org/W4205463238"],"abstract_inverted_index":{"A":[0],"complex":[1,34],"activity":[2,35,58],"is":[3,31,55],"a":[4,10,90,95,160],"temporal":[5,177],"composition":[6],"of":[7,14,23,174,179],"sub-events,":[8],"and":[9,44,52,67,107,112],"sub-event":[11,180],"typically":[12],"consists":[13],"several":[15],"low":[16],"level":[17],"micro-actions,":[18],"such":[19],"as":[20],"body":[21],"movement":[22],"different":[24],"actors.":[25],"Extracting":[26],"these":[27],"micro":[28,81],"actions":[29],"explicitly":[30],"beneficial":[32],"for":[33,57,104],"recognition":[36],"due":[37],"to":[38,87,117,158,163],"actor":[39,85],"selectivity,":[40],"higher":[41],"discriminative":[42],"power,":[43],"motion":[45,53,68,78,92,108,167],"clutter":[46],"suppression.":[47],"Moreover,":[48],"considering":[49],"both":[50],"static":[51,66,106],"features":[54,69,79],"vital":[56],"recognition.":[59],"However,":[60],"optimally":[61],"controlling":[62],"the":[63,84,119,124,127,135,142,147,156,172,176,189],"contribution":[64,120],"from":[65],"still":[70],"remains":[71],"uninvestigated.":[72],"In":[73],"this":[74],"work,":[75],"we":[76,99,170],"extract":[77],"at":[80],"level,":[82],"preserving":[83],"identity,":[86],"later":[88],"obtain":[89],"high-level":[91],"descriptor":[93],"using":[94,181],"probabilistic":[96],"model.":[97],"Furthermore,":[98],"propose":[100],"two":[101,197],"novel":[102],"schemas":[103],"combining":[105],"features:":[109],"Cholesky-transformation":[110],"based":[111,137,150],"entropy-based.":[113],"The":[114,131],"former":[115],"allows":[116],"control":[118],"ratio":[121,129,132],"precisely,":[122],"while":[123],"latter":[125],"obtains":[126],"optimal":[128],"mathematically.":[130],"given":[133],"by":[134,146],"entropy":[136],"method":[138],"matches":[139],"well":[140],"with":[141],"experimental":[143],"values":[144],"obtained":[145],"Choleksy":[148],"transformation":[149],"method.":[151],"This":[152],"analysis":[153],"also":[154],"provides":[155],"ability":[157],"characterize":[159],"dataset,":[161],"according":[162],"its":[164],"richness":[165],"in":[166],"information.":[168],"Finally,":[169],"study":[171],"effectiveness":[173],"modeling":[175],"evolution":[178],"an":[182],"LSTM":[183],"network.":[184],"Experimental":[185],"results":[186],"demonstrate":[187],"that":[188],"proposed":[190],"technique":[191],"outperforms":[192],"state-of-the-art,":[193],"when":[194],"tested":[195],"against":[196],"popular":[198],"datasets.":[199]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
