{"id":"https://openalex.org/W4414124590","doi":"https://doi.org/10.1007/s11760-025-04763-8","title":"Ensemble Learning for Improved Speech Emotion Recognition: A Control Dimension Analysis of Log-Mel Spectrograms from the CREMA-D Dataset","display_name":"Ensemble Learning for Improved Speech Emotion Recognition: A Control Dimension Analysis of Log-Mel Spectrograms from the CREMA-D Dataset","publication_year":2025,"publication_date":"2025-09-11","ids":{"openalex":"https://openalex.org/W4414124590","doi":"https://doi.org/10.1007/s11760-025-04763-8"},"language":"en","primary_location":{"id":"doi:10.1007/s11760-025-04763-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11760-025-04763-8","pdf_url":null,"source":{"id":"https://openalex.org/S156904493","display_name":"Signal Image and Video Processing","issn_l":"1863-1703","issn":["1863-1703","1863-1711"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal, Image and Video Processing","raw_type":"journal-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/A5093457016","display_name":"Zineddine Sarhani Kahhoul","orcid":null},"institutions":[{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":true,"raw_author_name":"Zineddine Sarhani Kahhoul","raw_affiliation_strings":["IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]},{"raw_affiliation_string":"VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053241261","display_name":"Nadjiba Terki","orcid":"https://orcid.org/0000-0003-0402-2322"},"institutions":[{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Nadjiba Terki","raw_affiliation_strings":["VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113230320","display_name":"Mohamed Lakhdar Tiar","orcid":null},"institutions":[{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Mohamed Lakhdar Tiar","raw_affiliation_strings":["IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5098888690","display_name":"Ilyes Benaissa","orcid":null},"institutions":[{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Ilyes Benaissa","raw_affiliation_strings":["VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VSC Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5093457015","display_name":"Selma Boutiba","orcid":null},"institutions":[{"id":"https://openalex.org/I206961696","display_name":"University of Biskra","ror":"https://ror.org/05fr5y859","country_code":"DZ","type":"education","lineage":["https://openalex.org/I206961696"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Selma Boutiba","raw_affiliation_strings":["IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IL3CUB Laboratory, University of Mohamed Khider, Biskra, 07000, Algeria","institution_ids":["https://openalex.org/I206961696"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5093457016"],"corresponding_institution_ids":["https://openalex.org/I206961696"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21936701,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"19","issue":"13","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10667","display_name":"Emotion and Mood Recognition","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive 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/T10667","display_name":"Emotion and Mood Recognition","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive 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/T10860","display_name":"Speech and Audio Processing","score":0.9970999956130981,"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":0.996999979019165,"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/spectrogram","display_name":"Spectrogram","score":0.7748000025749207},{"id":"https://openalex.org/keywords/categorization","display_name":"Categorization","score":0.6176000237464905},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.6079999804496765},{"id":"https://openalex.org/keywords/ensemble-learning","display_name":"Ensemble learning","score":0.5961999893188477},{"id":"https://openalex.org/keywords/emotion-recognition","display_name":"Emotion recognition","score":0.5626000165939331},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.49059998989105225},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.4681999981403351},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.43549999594688416}],"concepts":[{"id":"https://openalex.org/C45273575","wikidata":"https://www.wikidata.org/wiki/Q578970","display_name":"Spectrogram","level":2,"score":0.7748000025749207},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7027000188827515},{"id":"https://openalex.org/C94124525","wikidata":"https://www.wikidata.org/wiki/Q912550","display_name":"Categorization","level":2,"score":0.6176000237464905},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.6079999804496765},{"id":"https://openalex.org/C45942800","wikidata":"https://www.wikidata.org/wiki/Q245652","display_name":"Ensemble learning","level":2,"score":0.5961999893188477},{"id":"https://openalex.org/C2777438025","wikidata":"https://www.wikidata.org/wiki/Q1339090","display_name":"Emotion recognition","level":2,"score":0.5626000165939331},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5501999855041504},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5134000182151794},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.49059998989105225},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.4681999981403351},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.43549999594688416},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.41850000619888306},{"id":"https://openalex.org/C119898033","wikidata":"https://www.wikidata.org/wiki/Q3433888","display_name":"Ensemble forecasting","level":2,"score":0.41429999470710754},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.36660000681877136},{"id":"https://openalex.org/C206310091","wikidata":"https://www.wikidata.org/wiki/Q750859","display_name":"Emotion classification","level":2,"score":0.3619999885559082},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3569999933242798},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.35580000281333923},{"id":"https://openalex.org/C6438553","wikidata":"https://www.wikidata.org/wiki/Q1185804","display_name":"Affective computing","level":2,"score":0.35499998927116394},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2888999879360199},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.27649998664855957},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.27639999985694885},{"id":"https://openalex.org/C2776639384","wikidata":"https://www.wikidata.org/wiki/Q840396","display_name":"Ideal (ethics)","level":2,"score":0.25589999556541443}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11760-025-04763-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11760-025-04763-8","pdf_url":null,"source":{"id":"https://openalex.org/S156904493","display_name":"Signal Image and Video Processing","issn_l":"1863-1703","issn":["1863-1703","1863-1711"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal, Image and Video Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1578856370","https://openalex.org/W2030931454","https://openalex.org/W2110957653","https://openalex.org/W2112796928","https://openalex.org/W2149628368","https://openalex.org/W2194775991","https://openalex.org/W2504420654","https://openalex.org/W2584561145","https://openalex.org/W2963446712","https://openalex.org/W2972602947","https://openalex.org/W2990825125","https://openalex.org/W3149839747","https://openalex.org/W3196974791","https://openalex.org/W3198908807","https://openalex.org/W4229516084","https://openalex.org/W4383273343","https://openalex.org/W4390273962","https://openalex.org/W4390410191","https://openalex.org/W4401050382","https://openalex.org/W4406654288","https://openalex.org/W4410118057","https://openalex.org/W4410693039","https://openalex.org/W4412438081"],"related_works":["https://openalex.org/W2530685530","https://openalex.org/W4375868962","https://openalex.org/W2011227383","https://openalex.org/W2897924318","https://openalex.org/W2138997758","https://openalex.org/W1923358586","https://openalex.org/W2184242386","https://openalex.org/W2325729322","https://openalex.org/W3126677997","https://openalex.org/W1610857240"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-13T06:13:01.061226","created_date":"2025-10-10T00:00:00"}