{"id":"https://openalex.org/W7125786553","doi":"https://doi.org/10.1109/access.2026.3658198","title":"A Novel and Accurate Recurrence Plot-Based Characterization of Speech Dynamics in Hyperfunctional Dysphonia, Laryngitis, and Vocal Fold Polyp","display_name":"A Novel and Accurate Recurrence Plot-Based Characterization of Speech Dynamics in Hyperfunctional Dysphonia, Laryngitis, and Vocal Fold Polyp","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7125786553","doi":"https://doi.org/10.1109/access.2026.3658198"},"language":"en","primary_location":{"id":"doi:10.1109/access.2026.3658198","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3658198","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3658198","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5123995856","display_name":"Anisha G Krishnan","orcid":null},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Anisha G. Krishnan","raw_affiliation_strings":["Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, India"],"affiliations":[{"raw_affiliation_string":"Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, India","institution_ids":["https://openalex.org/I81556334"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124023330","display_name":"G Jyothish Lal","orcid":null},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"G. Jyothish Lal","raw_affiliation_strings":["Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, India"],"affiliations":[{"raw_affiliation_string":"Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, India","institution_ids":["https://openalex.org/I81556334"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5123956669","display_name":"E. A. Gopalakrishnan","orcid":null},"institutions":[{"id":"https://openalex.org/I81556334","display_name":"Amrita Vishwa Vidyapeetham","ror":"https://ror.org/03am10p12","country_code":"IN","type":"education","lineage":["https://openalex.org/I81556334"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"E. A. Gopalakrishnan","raw_affiliation_strings":["Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Bengaluru, India"],"affiliations":[{"raw_affiliation_string":"Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Bengaluru, India","institution_ids":["https://openalex.org/I81556334"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5123995856"],"corresponding_institution_ids":["https://openalex.org/I81556334"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.36014406,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"18039","last_page":"18058"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10863","display_name":"Voice and Speech Disorders","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10863","display_name":"Voice and Speech Disorders","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12418","display_name":"Respiratory and Cough-Related Research","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12419","display_name":"Phonocardiography and Auscultation Techniques","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/interpretability","display_name":"Interpretability","score":0.878600001335144},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7656000256538391},{"id":"https://openalex.org/keywords/phonation","display_name":"Phonation","score":0.6601999998092651},{"id":"https://openalex.org/keywords/recurrence-plot","display_name":"Recurrence plot","score":0.5327000021934509},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.49630001187324524},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.45989999175071716},{"id":"https://openalex.org/keywords/vocal-folds","display_name":"Vocal folds","score":0.4575999975204468}],"concepts":[{"id":"https://openalex.org/C2781067378","wikidata":"https://www.wikidata.org/wiki/Q17027399","display_name":"Interpretability","level":2,"score":0.878600001335144},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7656000256538391},{"id":"https://openalex.org/C173988693","wikidata":"https://www.wikidata.org/wiki/Q678132","display_name":"Phonation","level":2,"score":0.6601999998092651},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6270999908447266},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6171000003814697},{"id":"https://openalex.org/C173134143","wikidata":"https://www.wikidata.org/wiki/Q2797953","display_name":"Recurrence plot","level":3,"score":0.5327000021934509},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5133000016212463},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.49630001187324524},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.45989999175071716},{"id":"https://openalex.org/C2780336059","wikidata":"https://www.wikidata.org/wiki/Q215558","display_name":"Vocal folds","level":3,"score":0.4575999975204468},{"id":"https://openalex.org/C2779581591","wikidata":"https://www.wikidata.org/wiki/Q36244","display_name":"Vowel","level":2,"score":0.4081000089645386},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4059999883174896},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.3896999955177307},{"id":"https://openalex.org/C43456602","wikidata":"https://www.wikidata.org/wiki/Q7303254","display_name":"Recurrence quantification analysis","level":3,"score":0.36559998989105225},{"id":"https://openalex.org/C2776451042","wikidata":"https://www.wikidata.org/wiki/Q1194557","display_name":"Laryngitis","level":2,"score":0.3310000002384186},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2849000096321106},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.2696000039577484},{"id":"https://openalex.org/C47401133","wikidata":"https://www.wikidata.org/wiki/Q748953","display_name":"Vocal tract","level":2,"score":0.2524000108242035}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2026.3658198","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3658198","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f06d321c63ed4d86afdb9fa80c1578ea","is_oa":true,"landing_page_url":"https://doaj.org/article/f06d321c63ed4d86afdb9fa80c1578ea","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 14, Pp 18039-18058 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3658198","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3658198","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.764422595500946}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":60,"referenced_works":["https://openalex.org/W1269046860","https://openalex.org/W1482790282","https://openalex.org/W1964546269","https://openalex.org/W1966582860","https://openalex.org/W1969083786","https://openalex.org/W1971243715","https://openalex.org/W1971924904","https://openalex.org/W1973460161","https://openalex.org/W1975444248","https://openalex.org/W1989990963","https://openalex.org/W2017870635","https://openalex.org/W2022554507","https://openalex.org/W2038350667","https://openalex.org/W2039174771","https://openalex.org/W2044406255","https://openalex.org/W2052372017","https://openalex.org/W2062826588","https://openalex.org/W2077186504","https://openalex.org/W2079240096","https://openalex.org/W2081681829","https://openalex.org/W2087359578","https://openalex.org/W2097645910","https://openalex.org/W2099593264","https://openalex.org/W2101390617","https://openalex.org/W2102568183","https://openalex.org/W2103525487","https://openalex.org/W2106304772","https://openalex.org/W2113869722","https://openalex.org/W2134315375","https://openalex.org/W2135039447","https://openalex.org/W2148244507","https://openalex.org/W2150969919","https://openalex.org/W2152292809","https://openalex.org/W2156397813","https://openalex.org/W2158976038","https://openalex.org/W2162219389","https://openalex.org/W2163224754","https://openalex.org/W2163480486","https://openalex.org/W2170509092","https://openalex.org/W2239141610","https://openalex.org/W2397375888","https://openalex.org/W2766329439","https://openalex.org/W2782808056","https://openalex.org/W2791062765","https://openalex.org/W2807317037","https://openalex.org/W2883781843","https://openalex.org/W2909228547","https://openalex.org/W2913872323","https://openalex.org/W2962866891","https://openalex.org/W3010246639","https://openalex.org/W3016093409","https://openalex.org/W3140343201","https://openalex.org/W3197816268","https://openalex.org/W4253660965","https://openalex.org/W4299429830","https://openalex.org/W4304688131","https://openalex.org/W4309214336","https://openalex.org/W4393252960","https://openalex.org/W4400509454","https://openalex.org/W4404356348"],"related_works":[],"abstract_inverted_index":{"The":[0,82],"accurate":[1,50],"and":[2,19,49,77,99,121,145,174,187,197],"interpretable":[3],"detection":[4],"of":[5,40,69,89,119,141],"pathological":[6,201],"voice":[7,92,202],"conditions":[8],"remains":[9,159],"a":[10,47,115,128,138,146,168,194],"critical":[11],"challenge":[12],"in":[13],"clinical":[14],"speech":[15,166],"analysis.":[16],"Existing":[17],"acoustic":[18],"deep":[20],"learning\u2013based":[21],"approaches":[22],"are":[23],"majorly":[24],"based":[25],"on":[26],"spectral":[27],"or":[28],"temporal":[29,131],"representations":[30,177],"that":[31,56,164],"provide":[32],"limited":[33],"insight":[34],"into":[35],"the":[36,41,104,111,134,154],"underlying":[37],"physiological":[38,185],"behavior":[39],"vocal":[42,70,100],"folds.":[43],"This":[44,65],"work":[45,136],"introduces":[46],"novel":[48],"Recurrence":[51,75,78],"Plot":[52],"(RP)":[53],"\u2013based":[54],"framework":[55],"models":[57],"sustained":[58],"vowel":[59],"phonations":[60],"as":[61,95,167],"nonlinear":[62,169],"dynamical":[63,170],"systems.":[64],"enables":[66],"direct":[67],"characterization":[68],"fold":[71,101],"oscillatory":[72],"patterns":[73],"through":[74],"Plots":[76],"Quantification":[79],"Analysis":[80],"(RQA).":[81],"proposed":[83,112,135],"method":[84,113],"facilitates":[85],"robust":[86],"multiclass":[87],"classification":[88,117],"three":[90],"common":[91],"disorders":[93],"such":[94],"hyperfunctional":[96,157],"dysphonia,":[97],"laryngitis,":[98],"polyp.":[102],"Using":[103],"publicly":[105],"available":[106],"Saarbr\u00fccken":[107],"Voice":[108],"Database":[109],"(SVD),":[110],"achieves":[114],"mean":[116],"accuracy":[118],"90.2%":[120],"shows":[122],"superior":[123],"disease-specific":[124],"performance.":[125],"Compared":[126],"to":[127],"state-of-the-art":[129],"CNN-based":[130],"feature":[132],"method,":[133],"showed":[137],"relative":[139],"improvement":[140,148],"32%":[142],"for":[143,149,156,200],"laryngitis":[144],"32.4%":[147],"Vocal":[150],"Fold":[151],"polyp,":[152],"while":[153],"performance":[155],"Dysphonia":[158],"comparable.":[160],"These":[161],"improvements":[162],"indicate":[163],"modeling":[165],"process":[171],"provides":[172],"richer":[173],"more":[175],"discriminative":[176],"than":[178],"traditional":[179],"linear":[180],"methods.":[181],"Thus,":[182],"by":[183],"integrating":[184],"interpretability":[186],"strong":[188],"diagnostic":[189],"performance,":[190],"this":[191],"study":[192],"presents":[193],"clinically":[195],"meaningful":[196],"explainable":[198],"solution":[199],"assessment":[203]},"counts_by_year":[],"updated_date":"2026-02-27T16:54:17.756197","created_date":"2026-01-28T00:00:00"}