{"id":"https://openalex.org/W2017265856","doi":"https://doi.org/10.1109/biocas.2012.6418421","title":"Novel time-frequency approach for muscle fatigue detection based on sEMG","display_name":"Novel time-frequency approach for muscle fatigue detection based on sEMG","publication_year":2012,"publication_date":"2012-11-01","ids":{"openalex":"https://openalex.org/W2017265856","doi":"https://doi.org/10.1109/biocas.2012.6418421","mag":"2017265856"},"language":"en","primary_location":{"id":"doi:10.1109/biocas.2012.6418421","is_oa":false,"landing_page_url":"https://doi.org/10.1109/biocas.2012.6418421","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Biomedical Circuits and Systems Conference (BioCAS)","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/A5083378810","display_name":"Fengjun Bai","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Fengjun Bai","raw_affiliation_strings":["Department of Mechanical Engineering, National University of Singapore, Singapore","[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084523262","display_name":"Tomasz Marek Lubecki","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"T. M. Lubecki","raw_affiliation_strings":["Department of Mechanical Engineering, National University of Singapore, Singapore","[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073468340","display_name":"Chee\u2013Meng Chew","orcid":"https://orcid.org/0000-0002-6396-4371"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chee-Meng Chew","raw_affiliation_strings":["Department of Mechanical Engineering, National University of Singapore, Singapore","[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111691591","display_name":"Chee-Leong Teo","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chee-Leong Teo","raw_affiliation_strings":["Department of Mechanical Engineering, National University of Singapore, Singapore","[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8284,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.73076044,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"364","last_page":"367"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10784","display_name":"Muscle activation and electromyography studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9794999957084656,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10338","display_name":"Advanced Sensor and Energy Harvesting Materials","score":0.9702000021934509,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.8500230312347412},{"id":"https://openalex.org/keywords/isometric-exercise","display_name":"Isometric exercise","score":0.7684177160263062},{"id":"https://openalex.org/keywords/muscle-fatigue","display_name":"Muscle fatigue","score":0.7091963291168213},{"id":"https://openalex.org/keywords/biceps-brachii-muscle","display_name":"Biceps brachii muscle","score":0.6243523359298706},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5849869847297668},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.5813664197921753},{"id":"https://openalex.org/keywords/continuous-wavelet-transform","display_name":"Continuous wavelet transform","score":0.5365246534347534},{"id":"https://openalex.org/keywords/electromyography","display_name":"Electromyography","score":0.4939630627632141},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4852573871612549},{"id":"https://openalex.org/keywords/biceps","display_name":"Biceps","score":0.4818071722984314},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.4623402953147888},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.45469537377357483},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.44609925150871277},{"id":"https://openalex.org/keywords/contraction","display_name":"Contraction (grammar)","score":0.4193089008331299},{"id":"https://openalex.org/keywords/muscle-contraction","display_name":"Muscle contraction","score":0.41487523913383484},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4011646509170532},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3760550320148468},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.30495256185531616},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.2815238833427429},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26272323727607727},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.11846849322319031},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.11137333512306213},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.1016949713230133},{"id":"https://openalex.org/keywords/physical-therapy","display_name":"Physical therapy","score":0.06545338034629822},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.060843050479888916}],"concepts":[{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.8500230312347412},{"id":"https://openalex.org/C103486182","wikidata":"https://www.wikidata.org/wiki/Q1216236","display_name":"Isometric exercise","level":2,"score":0.7684177160263062},{"id":"https://openalex.org/C2776874296","wikidata":"https://www.wikidata.org/wiki/Q6940317","display_name":"Muscle fatigue","level":3,"score":0.7091963291168213},{"id":"https://openalex.org/C2909441243","wikidata":"https://www.wikidata.org/wiki/Q201363","display_name":"Biceps brachii muscle","level":3,"score":0.6243523359298706},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5849869847297668},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.5813664197921753},{"id":"https://openalex.org/C95722684","wikidata":"https://www.wikidata.org/wiki/Q2622756","display_name":"Continuous wavelet transform","level":5,"score":0.5365246534347534},{"id":"https://openalex.org/C2777515770","wikidata":"https://www.wikidata.org/wiki/Q507369","display_name":"Electromyography","level":2,"score":0.4939630627632141},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4852573871612549},{"id":"https://openalex.org/C2781425419","wikidata":"https://www.wikidata.org/wiki/Q201363","display_name":"Biceps","level":2,"score":0.4818071722984314},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.4623402953147888},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.45469537377357483},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.44609925150871277},{"id":"https://openalex.org/C163415756","wikidata":"https://www.wikidata.org/wiki/Q126473","display_name":"Contraction (grammar)","level":2,"score":0.4193089008331299},{"id":"https://openalex.org/C2776050358","wikidata":"https://www.wikidata.org/wiki/Q127006","display_name":"Muscle contraction","level":2,"score":0.41487523913383484},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4011646509170532},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3760550320148468},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.30495256185531616},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.2815238833427429},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26272323727607727},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.11846849322319031},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.11137333512306213},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.1016949713230133},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.06545338034629822},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.060843050479888916},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/biocas.2012.6418421","is_oa":false,"landing_page_url":"https://doi.org/10.1109/biocas.2012.6418421","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Biomedical Circuits and Systems Conference (BioCAS)","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/73690","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/73690","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2007165659","https://openalex.org/W2045757299","https://openalex.org/W2050699999","https://openalex.org/W2060150679","https://openalex.org/W2091731278","https://openalex.org/W2158757324","https://openalex.org/W2161490686","https://openalex.org/W3148545908","https://openalex.org/W6665600868"],"related_works":["https://openalex.org/W2326454079","https://openalex.org/W564939545","https://openalex.org/W2533590149","https://openalex.org/W3167466058","https://openalex.org/W2964898233","https://openalex.org/W2980984853","https://openalex.org/W1963506688","https://openalex.org/W2249701588","https://openalex.org/W4383502298","https://openalex.org/W2017265856"],"abstract_inverted_index":{"Muscle":[0],"fatigue":[1,19,64,70,96,121,132],"is":[2,26,114],"the":[3,54,63,68,89,94,111,117,129],"decrease":[4],"in":[5,116],"its":[6],"ability":[7],"to":[8,39,61,87],"generate":[9,67],"a":[10,16],"target":[11],"force.":[12],"In":[13],"this":[14],"paper,":[15],"novel":[17],"muscle":[18,82,120,131],"detection":[20,97],"algorithm":[21],"based":[22],"on":[23],"sEMG":[24,43,72],"signal":[25,44,48,51],"developed.":[27],"Short-time":[28],"Fourier":[29],"transform":[30,35],"(STFT)":[31],"and":[32,47,53,66,91,102,124,127],"continuous":[33],"wavelet":[34],"(CWT)":[36],"are":[37,59,104],"used":[38,86],"extract":[40],"features":[41],"of":[42,93,119],"(mean":[45],"frequency":[46],"power).":[49],"Further":[50],"power":[52,56],"estimated":[55],"relative":[57],"changes":[58],"calculated":[60],"derive":[62],"evaluation":[65],"general":[69],"levels.":[71,133],"signals":[73],"generated":[74],"from":[75,100],"subjects'":[76],"Biceps":[77],"Brachii":[78],"muscles":[79],"under":[80],"different":[81],"contraction":[83],"trials":[84],"were":[85],"evaluate":[88],"feasibility":[90],"effectiveness":[92],"proposed":[95,112],"methods.":[98],"Results":[99],"STFT":[101],"CWT":[103],"compared.":[105],"The":[106],"results":[107],"also":[108],"show":[109],"that":[110],"method":[113],"reliable":[115],"analysis":[118],"during":[122],"isometric":[123],"dynamic":[125],"contractions":[126],"quantifying":[128],"discrete":[130]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}