{"id":"https://openalex.org/W2083651480","doi":"https://doi.org/10.1109/icassp.2009.4960711","title":"Phase based features for cognitive load measurement system","display_name":"Phase based features for cognitive load measurement system","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2083651480","doi":"https://doi.org/10.1109/icassp.2009.4960711","mag":"2083651480"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960711","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960711","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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/A5113660522","display_name":"Tet Fei Yap","orcid":null},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]},{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Tet Fei Yap","raw_affiliation_strings":["ATP Research Laboratory, NICTA, Eveleigh, Australia","School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"ATP Research Laboratory, NICTA, Eveleigh, Australia","institution_ids":["https://openalex.org/I42894916"]},{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028116210","display_name":"Eliathamby Ambikairajah","orcid":"https://orcid.org/0000-0003-4673-6534"},"institutions":[{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Eliathamby Ambikairajah","raw_affiliation_strings":["ATP Research Laboratory, NICTA, Eveleigh, Australia","School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"ATP Research Laboratory, NICTA, Eveleigh, Australia","institution_ids":["https://openalex.org/I42894916"]},{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110276950","display_name":"Eric H. C. Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Eric Choi","raw_affiliation_strings":["ATP Research Laboratory, NICTA, Eveleigh, Australia"],"affiliations":[{"raw_affiliation_string":"ATP Research Laboratory, NICTA, Eveleigh, Australia","institution_ids":["https://openalex.org/I42894916"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100400043","display_name":"Fang Chen","orcid":"https://orcid.org/0000-0003-4971-8729"},"institutions":[{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Fang Chen","raw_affiliation_strings":["ATP Research Laboratory, NICTA, Eveleigh, Australia"],"affiliations":[{"raw_affiliation_string":"ATP Research Laboratory, NICTA, Eveleigh, Australia","institution_ids":["https://openalex.org/I42894916"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5113660522"],"corresponding_institution_ids":["https://openalex.org/I31746571","https://openalex.org/I42894916"],"apc_list":null,"apc_paid":null,"fwci":2.1148,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.86706806,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"4825","last_page":"4828"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9873999953269958,"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":0.9873999953269958,"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/T12031","display_name":"Speech and dialogue systems","score":0.9786999821662903,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/baseline","display_name":"Baseline (sea)","score":0.7703678011894226},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7270000576972961},{"id":"https://openalex.org/keywords/mel-frequency-cepstrum","display_name":"Mel-frequency cepstrum","score":0.6693116426467896},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.49830126762390137},{"id":"https://openalex.org/keywords/group-delay-and-phase-delay","display_name":"Group delay and phase delay","score":0.49389201402664185},{"id":"https://openalex.org/keywords/cognitive-load","display_name":"Cognitive load","score":0.43309804797172546},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4248500466346741},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4247395694255829},{"id":"https://openalex.org/keywords/cognition","display_name":"Cognition","score":0.420126736164093},{"id":"https://openalex.org/keywords/fusion","display_name":"Fusion","score":0.41867882013320923},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4165247678756714},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.40646618604660034},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.38221463561058044},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10807371139526367},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.07594957947731018}],"concepts":[{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.7703678011894226},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7270000576972961},{"id":"https://openalex.org/C151989614","wikidata":"https://www.wikidata.org/wiki/Q440370","display_name":"Mel-frequency cepstrum","level":3,"score":0.6693116426467896},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.49830126762390137},{"id":"https://openalex.org/C123792056","wikidata":"https://www.wikidata.org/wiki/Q365988","display_name":"Group delay and phase delay","level":3,"score":0.49389201402664185},{"id":"https://openalex.org/C61641136","wikidata":"https://www.wikidata.org/wiki/Q1107019","display_name":"Cognitive load","level":3,"score":0.43309804797172546},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4248500466346741},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4247395694255829},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.420126736164093},{"id":"https://openalex.org/C158525013","wikidata":"https://www.wikidata.org/wiki/Q2593739","display_name":"Fusion","level":2,"score":0.41867882013320923},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4165247678756714},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40646618604660034},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.38221463561058044},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10807371139526367},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.07594957947731018},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2009.4960711","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960711","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.5299999713897705,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W98179523","https://openalex.org/W1583053084","https://openalex.org/W1781978087","https://openalex.org/W1980877068","https://openalex.org/W2043745365","https://openalex.org/W2057140712","https://openalex.org/W2119125873","https://openalex.org/W2127544007","https://openalex.org/W2163669870","https://openalex.org/W2168386998","https://openalex.org/W6603953809"],"related_works":["https://openalex.org/W2383111961","https://openalex.org/W2365952365","https://openalex.org/W2352448290","https://openalex.org/W2380820513","https://openalex.org/W2913146933","https://openalex.org/W2372385138","https://openalex.org/W2349769824","https://openalex.org/W4296359239","https://openalex.org/W1550888325","https://openalex.org/W1590150375"],"abstract_inverted_index":{"The":[0,41],"current":[1],"automatic":[2],"cognitive":[3],"load":[4],"measurement":[5],"system":[6,32],"based":[7,19,36,51,58,68],"on":[8],"MFCC":[9],"and":[10,54],"prosodic":[11],"features":[12,37,43,53,69,88,93],"does":[13],"not":[14],"take":[15],"into":[16,38],"account":[17],"phase":[18,35,67],"speech":[20],"information.":[21],"This":[22],"paper":[23],"aims":[24],"to":[25],"improve":[26],"the":[27,30,39],"performance":[28,63,81],"of":[29],"baseline":[31,77,92],"by":[33],"introducing":[34],"system.":[40],"additional":[42],"proposed":[44],"are":[45,70,89],"group":[46,86],"delay":[47,87],"features,":[48],"all-pole":[49],"model":[50],"FM":[52,59],"zero":[55],"crossing":[56],"count":[57],"features.":[60,78],"Decrease":[61],"in":[62],"is":[64,83],"observed":[65,84],"when":[66,74,85],"considered":[71],"individually":[72],"or":[73],"concatenated":[75],"with":[76,91],"However,":[79],"significant":[80],"improvement":[82],"fused":[90],"using":[94],"linear":[95],"combination":[96],"score":[97],"level":[98],"fusion.":[99]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}