{"id":"https://openalex.org/W4415179898","doi":"https://doi.org/10.1109/tpami.2025.3621326","title":"Hier-EgoPack: Hierarchical Egocentric Video Understanding With Diverse Task Perspectives","display_name":"Hier-EgoPack: Hierarchical Egocentric Video Understanding With Diverse Task Perspectives","publication_year":2025,"publication_date":"2025-10-14","ids":{"openalex":"https://openalex.org/W4415179898","doi":"https://doi.org/10.1109/tpami.2025.3621326","pmid":"https://pubmed.ncbi.nlm.nih.gov/41086083"},"language":"en","primary_location":{"id":"doi:10.1109/tpami.2025.3621326","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tpami.2025.3621326","pdf_url":null,"source":{"id":"https://openalex.org/S199944782","display_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","issn_l":"0162-8828","issn":["0162-8828","1939-3539","2160-9292"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/tpami.2025.3621326","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045918600","display_name":"Simone Peirone","orcid":"https://orcid.org/0009-0007-3204-3207"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Simone Alberto Peirone","raw_affiliation_strings":["Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","Department of Control and Computer Engineering, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016675020","display_name":"Francesca Pistilli","orcid":"https://orcid.org/0000-0001-9372-032X"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesca Pistilli","raw_affiliation_strings":["Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","Department of Control and Computer Engineering, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031439747","display_name":"Antonio Alliegro","orcid":"https://orcid.org/0000-0003-4151-9602"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonio Alliegro","raw_affiliation_strings":["Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","Department of Control and Computer Engineering, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004857169","display_name":"Tatiana Tommasi","orcid":"https://orcid.org/0000-0001-8229-7159"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Tatiana Tommasi","raw_affiliation_strings":["Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","Department of Control and Computer Engineering, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050576327","display_name":"Giuseppe Averta","orcid":"https://orcid.org/0000-0003-1212-3465"},"institutions":[{"id":"https://openalex.org/I177477856","display_name":"Politecnico di Torino","ror":"https://ror.org/00bgk9508","country_code":"IT","type":"education","lineage":["https://openalex.org/I177477856"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giuseppe Averta","raw_affiliation_strings":["Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","Department of Control and Computer Engineering, Politecnico di Torino, Italy"],"affiliations":[{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Turin, Italy","institution_ids":["https://openalex.org/I177477856"]},{"raw_affiliation_string":"Department of Control and Computer Engineering, Politecnico di Torino, Italy","institution_ids":["https://openalex.org/I177477856"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5045918600"],"corresponding_institution_ids":["https://openalex.org/I177477856"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.31156903,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"48","issue":"2","first_page":"1917","last_page":"1931"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11983","display_name":"Identity, Memory, and Therapy","score":0.8894000053405762,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11983","display_name":"Identity, Memory, and Therapy","score":0.8894000053405762,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11197","display_name":"Digital Games and Media","score":0.8485000133514404,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12720","display_name":"Multimedia Communication and Technology","score":0.8184999823570251,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.7336999773979187},{"id":"https://openalex.org/keywords/grasp","display_name":"GRASP","score":0.5802000164985657},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.536300003528595},{"id":"https://openalex.org/keywords/relevance","display_name":"Relevance (law)","score":0.5181000232696533},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.4593000113964081},{"id":"https://openalex.org/keywords/task-analysis","display_name":"Task analysis","score":0.4440999925136566},{"id":"https://openalex.org/keywords/comprehension","display_name":"Comprehension","score":0.42829999327659607}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7716000080108643},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.7336999773979187},{"id":"https://openalex.org/C171268870","wikidata":"https://www.wikidata.org/wiki/Q1486676","display_name":"GRASP","level":2,"score":0.5802000164985657},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.536300003528595},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.5181000232696533},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5009999871253967},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.4593000113964081},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.4440999925136566},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.435699999332428},{"id":"https://openalex.org/C511192102","wikidata":"https://www.wikidata.org/wiki/Q5156948","display_name":"Comprehension","level":2,"score":0.42829999327659607},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.28870001435279846},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.2856000065803528},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.27079999446868896},{"id":"https://openalex.org/C2779903281","wikidata":"https://www.wikidata.org/wiki/Q6888026","display_name":"Modalities","level":2,"score":0.2687000036239624},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.2662000060081482},{"id":"https://openalex.org/C28006648","wikidata":"https://www.wikidata.org/wiki/Q6934509","display_name":"Multi-task learning","level":3,"score":0.26100000739097595},{"id":"https://openalex.org/C94124525","wikidata":"https://www.wikidata.org/wiki/Q912550","display_name":"Categorization","level":2,"score":0.25949999690055847},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.2533999979496002}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tpami.2025.3621326","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tpami.2025.3621326","pdf_url":null,"source":{"id":"https://openalex.org/S199944782","display_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","issn_l":"0162-8828","issn":["0162-8828","1939-3539","2160-9292"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","raw_type":"journal-article"},{"id":"pmid:41086083","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41086083","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on pattern analysis and machine intelligence","raw_type":null}],"best_oa_location":{"id":"doi:10.1109/tpami.2025.3621326","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tpami.2025.3621326","pdf_url":null,"source":{"id":"https://openalex.org/S199944782","display_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","issn_l":"0162-8828","issn":["0162-8828","1939-3539","2160-9292"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Pattern Analysis and Machine Intelligence","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":73,"referenced_works":["https://openalex.org/W2163915297","https://openalex.org/W2167020116","https://openalex.org/W2290847742","https://openalex.org/W2606202972","https://openalex.org/W2763331099","https://openalex.org/W2887092413","https://openalex.org/W2895387432","https://openalex.org/W2910121883","https://openalex.org/W2913340405","https://openalex.org/W2914721378","https://openalex.org/W2962949934","https://openalex.org/W2963498646","https://openalex.org/W2963524571","https://openalex.org/W2963677766","https://openalex.org/W2971672253","https://openalex.org/W2979750740","https://openalex.org/W2986407524","https://openalex.org/W2987427063","https://openalex.org/W2990503944","https://openalex.org/W2990763144","https://openalex.org/W2995264981","https://openalex.org/W3009148386","https://openalex.org/W3010071343","https://openalex.org/W3021013305","https://openalex.org/W3021065276","https://openalex.org/W3034658206","https://openalex.org/W3034667697","https://openalex.org/W3034802267","https://openalex.org/W3034972874","https://openalex.org/W3043142510","https://openalex.org/W3097571420","https://openalex.org/W3123326873","https://openalex.org/W3141797743","https://openalex.org/W3168997536","https://openalex.org/W3202076256","https://openalex.org/W3203574385","https://openalex.org/W3205786327","https://openalex.org/W3207758636","https://openalex.org/W4200367987","https://openalex.org/W4214555767","https://openalex.org/W4282981352","https://openalex.org/W4312370427","https://openalex.org/W4312372834","https://openalex.org/W4312508181","https://openalex.org/W4312658081","https://openalex.org/W4313071313","https://openalex.org/W4319299948","https://openalex.org/W4319300049","https://openalex.org/W4386075757","https://openalex.org/W4386076164","https://openalex.org/W4386076314","https://openalex.org/W4386083063","https://openalex.org/W4386113260","https://openalex.org/W4387448583","https://openalex.org/W4389519587","https://openalex.org/W4390872502","https://openalex.org/W4390872925","https://openalex.org/W4390873349","https://openalex.org/W4390873360","https://openalex.org/W4390873454","https://openalex.org/W4390873954","https://openalex.org/W4391679974","https://openalex.org/W4399070666","https://openalex.org/W4402670320","https://openalex.org/W4402671548","https://openalex.org/W4402727272","https://openalex.org/W4402727876","https://openalex.org/W4402969043","https://openalex.org/W4403771516","https://openalex.org/W4404784276","https://openalex.org/W4410027467","https://openalex.org/W4413145425","https://openalex.org/W4413146822"],"related_works":[],"abstract_inverted_index":{"Our":[0],"comprehension":[1],"of":[2,27,132,158],"video":[3],"streams":[4],"depicting":[5],"human":[6,84],"activities":[7,85],"is":[8,20,69,77],"naturally":[9],"multifaceted:":[10],"in":[11,29,74],"just":[12],"a":[13,48,79,129,140,149],"few":[14],"moments,":[15],"we":[16,110,138],"can":[17],"grasp":[18],"what":[19,34],"happening,":[21],"identify":[22],"the":[23,30,156],"relevance":[24],"and":[25,32,61,96,173],"interactions":[26],"objects":[28],"scene,":[31],"forecast":[33],"will":[35],"happen":[36],"soon,":[37],"everything":[38],"all":[39],"at":[40],"once.":[41],"To":[42,135],"endow":[43],"autonomous":[44],"systems":[45],"with":[46,89,148],"such":[47],"holistic":[49],"perception,":[50],"learning":[51,66,104],"how":[52,177],"to":[53,128,154],"correlate":[54],"concepts,":[55],"abstract":[56],"knowledge":[57],"across":[58,86,120],"diverse":[59,87,121,185],"tasks,":[60,100],"leverage":[62],"tasks":[63,88,186],"synergies":[64],"when":[65],"novel":[67,141],"skills":[68],"essential.":[70],"A":[71],"significant":[72],"step":[73],"this":[75,108],"direction":[76],"EgoPack,":[78],"unified":[80,180],"framework":[81],"for":[82,102,144],"understanding":[83],"minimal":[90],"overhead.":[91],"EgoPack":[92,115],"promotes":[93],"information":[94],"sharing":[95],"collaboration":[97],"among":[98],"downstream":[99,133],"essential":[101],"efficiently":[103],"new":[105],"skills.":[106],"In":[107],"paper,":[109],"introduce":[111],"Hier-EgoPack,":[112],"which":[113,124],"advances":[114],"by":[116],"enabling":[117],"reasoning":[118,146,160],"also":[119],"temporal":[122,145],"granularities,":[123],"expands":[125],"its":[126],"applicability":[127],"broader":[130],"range":[131],"tasks.":[134],"achieve":[136],"this,":[137],"propose":[139],"hierarchical":[142,179],"architecture":[143,181],"equipped":[147],"GNN":[150],"layer":[151],"specifically":[152],"designed":[153],"tackle":[155],"challenges":[157],"multi-granularity":[159],"effectively.":[161],"We":[162],"evaluate":[163],"our":[164,178],"approach":[165],"on":[166],"multiple":[167],"Ego4D":[168],"benchmarks":[169],"involving":[170],"both":[171],"clip-level":[172],"frame-level":[174],"reasoning,":[175],"demonstrating":[176],"effectively":[182],"solves":[183],"these":[184],"simultaneously.":[187]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-15T00:00:00"}
