{"id":"https://openalex.org/W4361217558","doi":"https://doi.org/10.1155/2023/8812844","title":"A Hybrid GCN and Filter\u2010Based Framework for Channel and Feature Selection: An fNIRS\u2010BCI Study","display_name":"A Hybrid GCN and Filter\u2010Based Framework for Channel and Feature Selection: An fNIRS\u2010BCI Study","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4361217558","doi":"https://doi.org/10.1155/2023/8812844"},"language":"en","primary_location":{"id":"doi:10.1155/2023/8812844","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2023/8812844","pdf_url":"https://downloads.hindawi.com/journals/ijis/2023/8812844.pdf","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://downloads.hindawi.com/journals/ijis/2023/8812844.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078118660","display_name":"Amad Zafar","orcid":"https://orcid.org/0000-0002-0716-3932"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Amad Zafar","raw_affiliation_strings":["Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006","Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-0716-3932","affiliations":[{"raw_affiliation_string":"Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006","institution_ids":["https://openalex.org/I28777354"]},{"raw_affiliation_string":"Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057912996","display_name":"Karam Dad Kallu","orcid":"https://orcid.org/0000-0001-5960-2311"},"institutions":[{"id":"https://openalex.org/I929597975","display_name":"National University of Sciences and Technology","ror":"https://ror.org/03w2j5y17","country_code":"PK","type":"education","lineage":["https://openalex.org/I929597975"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Karam Dad Kallu","raw_affiliation_strings":["Department of Robotics & Artificial Intelligence (R&AI), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), H\u221212, Islamabad 44000","Department of Robotics & Artificial Intelligence (R&AI), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), H\u221212, Islamabad 44000, Pakistan"],"raw_orcid":"https://orcid.org/0000-0001-5960-2311","affiliations":[{"raw_affiliation_string":"Department of Robotics & Artificial Intelligence (R&AI), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), H\u221212, Islamabad 44000","institution_ids":["https://openalex.org/I929597975"]},{"raw_affiliation_string":"Department of Robotics & Artificial Intelligence (R&AI), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), H\u221212, Islamabad 44000, Pakistan","institution_ids":["https://openalex.org/I929597975"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072142517","display_name":"M. Atif Yaqub","orcid":"https://orcid.org/0000-0002-9885-7891"},"institutions":[{"id":"https://openalex.org/I179630473","display_name":"Institute of Photonic Sciences","ror":"https://ror.org/03g5ew477","country_code":"ES","type":"facility","lineage":["https://openalex.org/I179630473","https://openalex.org/I4210132884","https://openalex.org/I4387153040","https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M. Atif Yaqub","raw_affiliation_strings":["ICFO-Institut de Ci\u00e8ncies Fot\u00f2niques, The Barcelona Institute of Science and Technology, 08860 Cas-telldefels, Barcelona","ICFO-Institut de Ci\u00e8ncies Fot\u00f2niques, The Barcelona Institute of Science and Technology, 08860 Cas-telldefels, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-9885-7891","affiliations":[{"raw_affiliation_string":"ICFO-Institut de Ci\u00e8ncies Fot\u00f2niques, The Barcelona Institute of Science and Technology, 08860 Cas-telldefels, Barcelona","institution_ids":["https://openalex.org/I179630473"]},{"raw_affiliation_string":"ICFO-Institut de Ci\u00e8ncies Fot\u00f2niques, The Barcelona Institute of Science and Technology, 08860 Cas-telldefels, Barcelona, Spain","institution_ids":["https://openalex.org/I179630473"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065229553","display_name":"Muhammad Umair Ali","orcid":"https://orcid.org/0000-0002-7326-1813"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Muhammad Umair Ali","raw_affiliation_strings":["Department of Unmanned Vehicle Engineering, Sejong University, Seoul 05006","Department of Unmanned Vehicle Engineering, Sejong University, Seoul 05006, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-7326-1813","affiliations":[{"raw_affiliation_string":"Department of Unmanned Vehicle Engineering, Sejong University, Seoul 05006","institution_ids":["https://openalex.org/I28777354"]},{"raw_affiliation_string":"Department of Unmanned Vehicle Engineering, Sejong University, Seoul 05006, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070959072","display_name":"Jong Hyuk Byun","orcid":"https://orcid.org/0000-0001-6334-8176"},"institutions":[{"id":"https://openalex.org/I4921948","display_name":"Pusan National University","ror":"https://ror.org/01an57a31","country_code":"KR","type":"education","lineage":["https://openalex.org/I4921948"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong Hyuk Byun","raw_affiliation_strings":["Department of Mathematics, College of Natural Sciences, Pusan National University, Busan 46241","Department of Mathematics, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0001-6334-8176","affiliations":[{"raw_affiliation_string":"Department of Mathematics, College of Natural Sciences, Pusan National University, Busan 46241","institution_ids":["https://openalex.org/I4921948"]},{"raw_affiliation_string":"Department of Mathematics, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea","institution_ids":["https://openalex.org/I4921948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006553533","display_name":"Min Yoon","orcid":"https://orcid.org/0000-0002-6124-9163"},"institutions":[{"id":"https://openalex.org/I8991828","display_name":"Pukyong National University","ror":"https://ror.org/0433kqc49","country_code":"KR","type":"education","lineage":["https://openalex.org/I8991828"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Min Yoon","raw_affiliation_strings":["Department of Applied Mathematics, Pukyong National University, Busan","Department of Applied Mathematics, Pukyong National University, Busan, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-6124-9163","affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, Pukyong National University, Busan","institution_ids":["https://openalex.org/I8991828"]},{"raw_affiliation_string":"Department of Applied Mathematics, Pukyong National University, Busan, Republic of Korea","institution_ids":["https://openalex.org/I8991828"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056458565","display_name":"Kwang Su Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},{"id":"https://openalex.org/I8991828","display_name":"Pukyong National University","ror":"https://ror.org/0433kqc49","country_code":"KR","type":"education","lineage":["https://openalex.org/I8991828"]}],"countries":["JP","KR"],"is_corresponding":true,"raw_author_name":"Kwang Su Kim","raw_affiliation_strings":["Department of Scientific Computing, Pukyong National University, Busan","Interdisciplinary Biology Laboratory (iBLab), Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya","Department of Scientific Computing, Pukyong National University, Busan, Republic of Korea","Interdisciplinary Biology Laboratory (iBLab), Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Japan"],"raw_orcid":"https://orcid.org/0000-0001-6626-316X","affiliations":[{"raw_affiliation_string":"Department of Scientific Computing, Pukyong National University, Busan","institution_ids":["https://openalex.org/I8991828"]},{"raw_affiliation_string":"Interdisciplinary Biology Laboratory (iBLab), Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya","institution_ids":["https://openalex.org/I60134161"]},{"raw_affiliation_string":"Department of Scientific Computing, Pukyong National University, Busan, Republic of Korea","institution_ids":["https://openalex.org/I8991828"]},{"raw_affiliation_string":"Interdisciplinary Biology Laboratory (iBLab), Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5056458565","https://openalex.org/A5065229553"],"corresponding_institution_ids":["https://openalex.org/I28777354","https://openalex.org/I60134161","https://openalex.org/I8991828"],"apc_list":{"value":2500,"currency":"USD","value_usd":2500},"apc_paid":{"value":2500,"currency":"USD","value_usd":2500},"fwci":3.5751,"has_fulltext":true,"cited_by_count":28,"citation_normalized_percentile":{"value":0.93746536,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"2023","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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/T11601","display_name":"Neuroscience and Neural Engineering","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular 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/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9923999905586243,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/brain\u2013computer-interface","display_name":"Brain\u2013computer interface","score":0.8334047198295593},{"id":"https://openalex.org/keywords/motor-imagery","display_name":"Motor imagery","score":0.8067878484725952},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6558575630187988},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6247852444648743},{"id":"https://openalex.org/keywords/feature-selection","display_name":"Feature selection","score":0.6193543672561646},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5996790528297424},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5219511389732361},{"id":"https://openalex.org/keywords/kurtosis","display_name":"Kurtosis","score":0.5175589919090271},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4508497416973114},{"id":"https://openalex.org/keywords/mutual-information","display_name":"Mutual information","score":0.44652512669563293},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.432849645614624},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3306248188018799},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.2405567765235901},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20705056190490723},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1324298083782196},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.12198266386985779}],"concepts":[{"id":"https://openalex.org/C173201364","wikidata":"https://www.wikidata.org/wiki/Q897410","display_name":"Brain\u2013computer interface","level":3,"score":0.8334047198295593},{"id":"https://openalex.org/C54808283","wikidata":"https://www.wikidata.org/wiki/Q6918191","display_name":"Motor imagery","level":4,"score":0.8067878484725952},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6558575630187988},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6247852444648743},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.6193543672561646},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5996790528297424},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5219511389732361},{"id":"https://openalex.org/C166963901","wikidata":"https://www.wikidata.org/wiki/Q287251","display_name":"Kurtosis","level":2,"score":0.5175589919090271},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4508497416973114},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.44652512669563293},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.432849645614624},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3306248188018799},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.2405567765235901},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20705056190490723},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1324298083782196},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.12198266386985779},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1155/2023/8812844","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2023/8812844","pdf_url":"https://downloads.hindawi.com/journals/ijis/2023/8812844.pdf","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1155/2023/8812844","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2023/8812844","pdf_url":"https://downloads.hindawi.com/journals/ijis/2023/8812844.pdf","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G102073253","display_name":null,"funder_award_id":"2022R1C1C2003637","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"},{"id":"https://openalex.org/G2184751834","display_name":null,"funder_award_id":"2022R1C1C2003637","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G5223729049","display_name":null,"funder_award_id":"2022R1C1C2003637","funder_id":"https://openalex.org/F4320322030","funder_display_name":"Ministry of Science, ICT and Future Planning"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320322030","display_name":"Ministry of Science, ICT and Future Planning","ror":"https://ror.org/032e49973"},{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4361217558.pdf","grobid_xml":"https://content.openalex.org/works/W4361217558.grobid-xml"},"referenced_works_count":82,"referenced_works":["https://openalex.org/W1500895378","https://openalex.org/W1583700199","https://openalex.org/W1674182651","https://openalex.org/W1808644423","https://openalex.org/W1967512849","https://openalex.org/W1992759203","https://openalex.org/W2009738053","https://openalex.org/W2010872261","https://openalex.org/W2011695670","https://openalex.org/W2016015580","https://openalex.org/W2025564775","https://openalex.org/W2071747588","https://openalex.org/W2082504982","https://openalex.org/W2085212472","https://openalex.org/W2101491865","https://openalex.org/W2128909182","https://openalex.org/W2129107602","https://openalex.org/W2139594745","https://openalex.org/W2145117135","https://openalex.org/W2153628662","https://openalex.org/W2154053567","https://openalex.org/W2154533194","https://openalex.org/W2256369587","https://openalex.org/W2282299048","https://openalex.org/W2316791108","https://openalex.org/W2403091650","https://openalex.org/W2460299357","https://openalex.org/W2492605684","https://openalex.org/W2512441693","https://openalex.org/W2552578398","https://openalex.org/W2561272868","https://openalex.org/W2588765333","https://openalex.org/W2599638598","https://openalex.org/W2630361035","https://openalex.org/W2735558480","https://openalex.org/W2761310417","https://openalex.org/W2810728445","https://openalex.org/W2811153207","https://openalex.org/W2883033321","https://openalex.org/W2886301707","https://openalex.org/W2895757091","https://openalex.org/W2900802277","https://openalex.org/W2904908335","https://openalex.org/W2907492528","https://openalex.org/W2909619163","https://openalex.org/W2920075349","https://openalex.org/W2964015378","https://openalex.org/W2964278775","https://openalex.org/W2972418532","https://openalex.org/W2979954233","https://openalex.org/W2990928020","https://openalex.org/W3007780430","https://openalex.org/W3022384052","https://openalex.org/W3026198216","https://openalex.org/W3031551469","https://openalex.org/W3033186461","https://openalex.org/W3061027672","https://openalex.org/W3082119294","https://openalex.org/W3106310344","https://openalex.org/W3108528951","https://openalex.org/W3109076554","https://openalex.org/W3113115661","https://openalex.org/W3133045796","https://openalex.org/W3142672147","https://openalex.org/W3144925525","https://openalex.org/W3155361587","https://openalex.org/W3162876331","https://openalex.org/W3165417112","https://openalex.org/W3202277601","https://openalex.org/W3205788794","https://openalex.org/W3210654265","https://openalex.org/W4200015199","https://openalex.org/W4200240231","https://openalex.org/W4220704048","https://openalex.org/W4220845760","https://openalex.org/W4225598836","https://openalex.org/W4226279913","https://openalex.org/W4241536761","https://openalex.org/W4283833752","https://openalex.org/W4291720785","https://openalex.org/W4295928027","https://openalex.org/W4303986768"],"related_works":["https://openalex.org/W2045193781","https://openalex.org/W2894205220","https://openalex.org/W2336974148","https://openalex.org/W1486208236","https://openalex.org/W2076654769","https://openalex.org/W2972075828","https://openalex.org/W2345184372","https://openalex.org/W3161126816","https://openalex.org/W2118502806","https://openalex.org/W2581060058"],"abstract_inverted_index":{"In":[0],"this":[1],"study,":[2],"a":[3,89,177],"channel":[4],"and":[5,32,57,75,93,109,113,135,170,186,203,207,218,241],"feature":[6,39,47],"selection":[7,48],"methodology":[8,97,122],"is":[9,26,60,86,98,123,144],"devised":[10],"for":[11,91,125,183,196,200,205,211,215,220],"brain\u2010computer":[12],"interface":[13],"(BCI)":[14],"applications":[15,128,149],"using":[16,100],"functional":[17],"near\u2010infrared":[18],"spectroscopy":[19],"(fNIRS).":[20],"A":[21],"graph":[22],"convolutional":[23],"network":[24],"(GCN)":[25],"employed":[27],"to":[28,146],"select":[29],"the":[30,38,42,51,80,117,120,141,165,232,235],"appropriate":[31,168],"correlated":[33],"fNIRS":[34],"channels.":[35],"Furthermore,":[36,191],"in":[37,176,180],"extraction":[40],"phase,":[41],"performance":[43],"of":[44,105,119,167,234],"two":[45],"filter\u2010based":[46],"algorithms,":[49],"(i)":[50],"minimum":[52],"redundancy":[53],"maximum":[54],"relevance":[55],"(mRMR)":[56],"(ii)":[58],"ReliefF,":[59],"investigated.":[61],"The":[62,95,161],"five":[63],"most":[64],"commonly":[65],"used":[66],"temporal":[67],"statistical":[68],"features":[69,171],"(i.e.,":[70,129,150,194,209],"mean,":[71],"slope,":[72],"maximum,":[73],"skewness,":[74],"kurtosis)":[76],"are":[77,238],"used,":[78],"whereas":[79],"conventional":[81],"support":[82],"vector":[83],"machine":[84],"(SVM)":[85],"utilized":[87],"as":[88],"classifier":[90],"training":[92],"testing.":[94],"proposed":[96,121,142],"validated":[99],"an":[101],"available":[102],"online":[103],"dataset":[104],"motor":[106,133,154,197,212],"imagery":[107,134,155],"(left\u2010":[108],"right\u2010hand),":[110],"mental":[111,136,157,201,216],"arithmetic,":[112,202,217],"baseline":[114],"tasks.":[115],"First,":[116],"efficacy":[118],"shown":[124],"two\u2010class":[126,185],"BCI":[127,148,188],"left\u2010":[130,151],"vs.":[131,138,152,156,159],"right\u2010hand":[132,153],"arithmetic":[137,158],"baseline).":[139,160],"Second,":[140],"framework":[143],"applied":[145],"four\u2010class":[147,187],"results":[162,233],"show":[163],"that":[164],"number":[166],"channels":[169],"was":[172],"significantly":[173],"reduced,":[174],"resulting":[175],"significant":[178],"increase":[179],"classification":[181,225],"accuracy":[182,226],"both":[184,192],"applications,":[189],"respectively.":[190],"mRMR":[193],"87.8%":[195],"imagery,":[198,213],"87.1%":[199],"78.7%":[204],"four\u2010class)":[206,221],"ReliefF":[208,236],"90.7%":[210],"93.7%":[214],"81.6%":[219],"yielded":[222],"high":[223],"average":[224],"(":[227],"p":[228],"<":[229],"0.05).":[230],"However,":[231],"algorithm":[237],"more":[239],"stable":[240],"significant.":[242]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":5}],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2025-10-10T00:00:00"}