{"id":"https://openalex.org/W2023331163","doi":"https://doi.org/10.1109/icassp.2013.6637805","title":"Independent component analysis on Lie groups for multi-object analysis of first episode depression","display_name":"Independent component analysis on Lie groups for multi-object analysis of first episode depression","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2023331163","doi":"https://doi.org/10.1109/icassp.2013.6637805","mag":"2023331163"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2013.6637805","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6637805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5059109819","display_name":"Mahdi Ramezani","orcid":"https://orcid.org/0000-0003-2679-1552"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Mahdi Ramezani","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109465728","display_name":"Abtin Rasoulian","orcid":null},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Abtin Rasoulian","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078896466","display_name":"Ingrid S. Johnsrude","orcid":"https://orcid.org/0000-0002-7810-1333"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ingrid Johnsrude","raw_affiliation_strings":["Department of Psychology, Queen's University, ONT, Canada","Dept. of Psychol., Queen's Univ., Kingston, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Queen's University, ONT, Canada","institution_ids":["https://openalex.org/I204722609"]},{"raw_affiliation_string":"Dept. of Psychol., Queen's Univ., Kingston, ON, Canada","institution_ids":["https://openalex.org/I204722609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039425452","display_name":"Tom Hollenstein","orcid":"https://orcid.org/0000-0003-1888-3086"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Tom Hollenstein","raw_affiliation_strings":["Department of Psychology, Queen's University, ONT, Canada","Dept. of Psychol., Queen's Univ., Kingston, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Queen's University, ONT, Canada","institution_ids":["https://openalex.org/I204722609"]},{"raw_affiliation_string":"Dept. of Psychol., Queen's Univ., Kingston, ON, Canada","institution_ids":["https://openalex.org/I204722609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067529083","display_name":"Kate L. Harkness","orcid":"https://orcid.org/0000-0002-0319-8994"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Kate Harkness","raw_affiliation_strings":["Department of Psychology, Queen's University, ONT, Canada","Dept. of Psychol., Queen's Univ., Kingston, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Queen's University, ONT, Canada","institution_ids":["https://openalex.org/I204722609"]},{"raw_affiliation_string":"Dept. of Psychol., Queen's Univ., Kingston, ON, Canada","institution_ids":["https://openalex.org/I204722609"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023095072","display_name":"Purang Abolmaesumi","orcid":"https://orcid.org/0000-0002-7259-8609"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Purang Abolmaesumi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of British Columbia, BC, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of British Columbia., Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3221,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56887991,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"1027","last_page":"1030"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10241","display_name":"Functional Brain Connectivity Studies","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/lie-group","display_name":"Lie group","score":0.5967565178871155},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5704605579376221},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5670143365859985},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.539214015007019},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.4974234402179718},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.49106931686401367},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.4655597507953644},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.428894579410553},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4229956865310669},{"id":"https://openalex.org/keywords/component-analysis","display_name":"Component analysis","score":0.4224315881729126},{"id":"https://openalex.org/keywords/tangent-space","display_name":"Tangent space","score":0.4160953462123871},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.41240212321281433},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.41076552867889404},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.39150136709213257},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3639621138572693},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.26849162578582764},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2061932384967804},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.15544533729553223},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14755073189735413}],"concepts":[{"id":"https://openalex.org/C187915474","wikidata":"https://www.wikidata.org/wiki/Q622679","display_name":"Lie group","level":2,"score":0.5967565178871155},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5704605579376221},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5670143365859985},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.539214015007019},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.4974234402179718},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.49106931686401367},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.4655597507953644},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.428894579410553},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4229956865310669},{"id":"https://openalex.org/C2780692498","wikidata":"https://www.wikidata.org/wiki/Q16950721","display_name":"Component analysis","level":2,"score":0.4224315881729126},{"id":"https://openalex.org/C157157409","wikidata":"https://www.wikidata.org/wiki/Q909601","display_name":"Tangent space","level":2,"score":0.4160953462123871},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.41240212321281433},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.41076552867889404},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.39150136709213257},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3639621138572693},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.26849162578582764},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2061932384967804},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.15544533729553223},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14755073189735413},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2013.6637805","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6637805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1585749274","https://openalex.org/W1815861390","https://openalex.org/W1969002377","https://openalex.org/W1970630454","https://openalex.org/W1975605357","https://openalex.org/W2058815839","https://openalex.org/W2060316521","https://openalex.org/W2083099567","https://openalex.org/W2102669269","https://openalex.org/W2106904753","https://openalex.org/W2108384452","https://openalex.org/W2118964952","https://openalex.org/W2123649031","https://openalex.org/W2155298532","https://openalex.org/W2165844313","https://openalex.org/W4252097634","https://openalex.org/W4252386822","https://openalex.org/W6665272994"],"related_works":["https://openalex.org/W1971575144","https://openalex.org/W2369494890","https://openalex.org/W2139404519","https://openalex.org/W1513845058","https://openalex.org/W2121025724","https://openalex.org/W2393502243","https://openalex.org/W2897887562","https://openalex.org/W3112853371","https://openalex.org/W2370924545","https://openalex.org/W2123927273"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,35,101,116],"method":[3,147],"for":[4,148],"the":[5,44,57,107,129,150,168,180,188],"analysis":[6],"of":[7,25,43,46,59,65,77,104,106,132,182,190],"brain":[8,27,45,81],"structural":[9],"data":[10],"to":[11,71,87,112,115,127,161],"simultaneously":[12],"identify":[13],"differences":[14,166],"in":[15,23,40,175],"position,":[16],"orientation":[17],"and":[18,22,33,48,53,75,95,134,141,164,171,194],"size":[19],"(i.e.":[20],"pose),":[21],"shape":[24,73,135,165],"multiple":[26],"regions":[28],"between":[29,80,167],"young":[30],"people":[31],"with,":[32],"without,":[34],"depressive":[36,178],"disorder.":[37],"Different":[38],"structures":[39,82],"both":[41],"hemispheres":[42],"depressed":[47,183],"control":[49],"participants":[50],"were":[51,62,69,85,159],"segmented":[52],"corresponding":[54,143],"points":[55,68,94],"on":[56,137],"surface":[58,67,93],"each":[60],"structure":[61],"extracted.":[63],"Coordinates":[64],"these":[66,92],"used":[70,86,126,160],"obtain":[72,128],"variations,":[74],"parameters":[76],"similarity":[78,96],"transformations":[79,97],"across":[83],"subjects":[84],"generate":[88],"pose":[89,133,163],"variations.":[90],"Since":[91],"form":[98],"Lie":[99,108,138],"groups,":[100,170],"logarithmic":[102],"mapping":[103],"members":[105],"groups":[109],"was":[110,125],"performed":[111],"transform":[113],"them":[114],"linear":[117],"tangent":[118],"space.":[119],"Then,":[120],"Independent":[121],"Component":[122],"Analysis":[123],"(ICA)":[124],"independent":[130,151],"sources":[131,152,158],"variations":[136],"group":[139],"members,":[140],"their":[142,176,191],"modulation":[144],"profiles.":[145],"A":[146],"ordering":[149],"is":[153],"proposed.":[154],"The":[155],"top":[156],"ordered":[157],"detect":[162],"two":[169],"confirm":[172],"that":[173],"even":[174],"first":[177],"episode,":[179],"brains":[181,189],"adolescents":[184],"differ":[185],"structurally":[186],"from":[187],"nondepressed":[192],"age-":[193],"sex-matched":[195],"peers.":[196]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
