{"id":"https://openalex.org/W1940892542","doi":"https://doi.org/10.1109/isspit.2014.7300554","title":"Voice based biometric authentication using collapsing classes discriminative space transform","display_name":"Voice based biometric authentication using collapsing classes discriminative space transform","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W1940892542","doi":"https://doi.org/10.1109/isspit.2014.7300554","mag":"1940892542"},"language":"en","primary_location":{"id":"doi:10.1109/isspit.2014.7300554","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isspit.2014.7300554","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT)","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/A5070407855","display_name":"Waquar Ahmad","orcid":"https://orcid.org/0000-0001-7817-3313"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]},{"id":"https://openalex.org/I921685582","display_name":"Portuguese Naval School","ror":"https://ror.org/01ev6gy70","country_code":"PT","type":"education","lineage":["https://openalex.org/I921685582"]},{"id":"https://openalex.org/I4403386570","display_name":"Marinha Portuguesa","ror":"https://ror.org/0520mfp02","country_code":null,"type":"government","lineage":["https://openalex.org/I4210117458","https://openalex.org/I4403386570"]}],"countries":["PT","US"],"is_corresponding":true,"raw_author_name":"Waquar Ahmad","raw_affiliation_strings":["CINAV, Portuguese Navy Research Center, Almada, Portugal","Department of Biomedical Engineering, Rutgers University, Piscataway, NJ"],"affiliations":[{"raw_affiliation_string":"CINAV, Portuguese Navy Research Center, Almada, Portugal","institution_ids":["https://openalex.org/I921685582","https://openalex.org/I4403386570"]},{"raw_affiliation_string":"Department of Biomedical Engineering, Rutgers University, Piscataway, NJ","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051063821","display_name":"Harish Karnick","orcid":null},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Harish Karnick","raw_affiliation_strings":["Indian Institute of Technology Kanpur, Kanpur, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085503354","display_name":"Rajesh M. Hegde","orcid":"https://orcid.org/0000-0002-6142-7724"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]},{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]},{"id":"https://openalex.org/I83863532","display_name":"Polytechnic Institute of Porto","ror":"https://ror.org/04988re48","country_code":"PT","type":"education","lineage":["https://openalex.org/I83863532"]}],"countries":["PT","US"],"is_corresponding":false,"raw_author_name":"Rajesh M Hegde","raw_affiliation_strings":["Department of Biomedical Engineering, Rutgers University, Piscataway, NJ","Department of Electrical and Computer Engineering, University of Porto, Porto, Portugal","School of Engineering, Porto Polytechnic Institute, Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Rutgers University, Piscataway, NJ","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"School of Engineering, Porto Polytechnic Institute, Porto, Portugal","institution_ids":["https://openalex.org/I83863532"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5070407855"],"corresponding_institution_ids":["https://openalex.org/I102322142","https://openalex.org/I4403386570","https://openalex.org/I921685582"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04939884,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"000001","last_page":"000006"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"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/T11309","display_name":"Music and Audio Processing","score":0.9976000189781189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/biometrics","display_name":"Biometrics","score":0.8171053528785706},{"id":"https://openalex.org/keywords/nist","display_name":"NIST","score":0.744884192943573},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7061055302619934},{"id":"https://openalex.org/keywords/speaker-recognition","display_name":"Speaker recognition","score":0.6807053089141846},{"id":"https://openalex.org/keywords/authentication","display_name":"Authentication (law)","score":0.6753090620040894},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6604951620101929},{"id":"https://openalex.org/keywords/transformation-matrix","display_name":"Transformation matrix","score":0.521273136138916},{"id":"https://openalex.org/keywords/margin","display_name":"Margin (machine learning)","score":0.5004076957702637},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.47308212518692017},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.46727100014686584},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.45292770862579346},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.44648292660713196},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.42595311999320984},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.16843390464782715},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.0708056092262268}],"concepts":[{"id":"https://openalex.org/C184297639","wikidata":"https://www.wikidata.org/wiki/Q177765","display_name":"Biometrics","level":2,"score":0.8171053528785706},{"id":"https://openalex.org/C111219384","wikidata":"https://www.wikidata.org/wiki/Q6954384","display_name":"NIST","level":2,"score":0.744884192943573},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7061055302619934},{"id":"https://openalex.org/C133892786","wikidata":"https://www.wikidata.org/wiki/Q1145189","display_name":"Speaker recognition","level":2,"score":0.6807053089141846},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.6753090620040894},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6604951620101929},{"id":"https://openalex.org/C165443888","wikidata":"https://www.wikidata.org/wiki/Q1482183","display_name":"Transformation matrix","level":3,"score":0.521273136138916},{"id":"https://openalex.org/C774472","wikidata":"https://www.wikidata.org/wiki/Q6760393","display_name":"Margin (machine learning)","level":2,"score":0.5004076957702637},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.47308212518692017},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.46727100014686584},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.45292770862579346},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44648292660713196},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.42595311999320984},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.16843390464782715},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0708056092262268},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"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/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","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},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isspit.2014.7300554","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isspit.2014.7300554","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.7699999809265137,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1586405805","https://openalex.org/W2041823554","https://openalex.org/W2104752854","https://openalex.org/W2121750345","https://openalex.org/W2144158639","https://openalex.org/W2146320039","https://openalex.org/W2150769028","https://openalex.org/W2154278880","https://openalex.org/W2157363431","https://openalex.org/W2170088868","https://openalex.org/W2407374891","https://openalex.org/W6675655370","https://openalex.org/W6681196357"],"related_works":["https://openalex.org/W2158491338","https://openalex.org/W2807901368","https://openalex.org/W2133733652","https://openalex.org/W2072658171","https://openalex.org/W2606392311","https://openalex.org/W2320042380","https://openalex.org/W4385956668","https://openalex.org/W2900895161","https://openalex.org/W4380838366","https://openalex.org/W3148366653"],"abstract_inverted_index":{"A":[0],"novel":[1],"method":[2,16],"of":[3,45,59,80,137],"voice":[4,140],"based":[5,141],"biometric":[6,142],"authentication":[7,108,111,143],"system":[8],"is":[9,34,73],"proposed":[10,15],"in":[11,100,130],"this":[12],"paper.":[13],"The":[14,83,98],"utilizes":[17],"the":[18,24,29,43,46,55,60,70,77,81,90,101,131,138],"distance":[19,71],"between":[20],"i-vectors":[21,44,58,92,99],"to":[22,50,135],"minimize":[23],"intra-class":[25],"variation":[26],"and":[27,118],"maximizing":[28],"inter-class":[30],"variation.":[31],"This":[32],"problem":[33],"formulated":[35],"as":[36],"a":[37,51,66,94,127],"convex":[38],"optimization":[39],"problem,":[40],"such":[41],"that":[42],"same":[47],"speaker":[48,107,120],"collapsed":[49],"single":[52],"point.":[53],"On":[54],"other":[56],"hand,":[57],"impostors":[61],"are":[62,113],"pushed":[63],"away":[64],"by":[65],"large":[67],"margin.":[68],"Additionally,":[69],"matrix":[72,85],"itself":[74],"learned":[75],"using":[76],"data":[78],"(i-vectors":[79],"speakers).":[82],"transformation":[84],"obtained":[86,125],"herein":[87],"linearly":[88],"transforms":[89],"input":[91],"into":[93],"new":[95,102],"discriminative":[96],"space.":[97],"transformed":[103],"space":[104],"give":[105],"improved":[106],"performance.":[109],"Speaker":[110],"experiments":[112],"conducted":[114],"on":[115],"NIST":[116],"2004":[117],"YOHO":[119],"verification":[121],"databases.":[122],"Experimental":[123],"results":[124],"indicate":[126],"reasonable":[128],"improvement":[129],"performance,":[132],"when":[133],"compared":[134],"state":[136],"art":[139],"systems.":[144]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
