{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T06:48:24Z","timestamp":1777704504551,"version":"3.51.4"},"reference-count":26,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2018,7,25]],"date-time":"2018-07-25T00:00:00Z","timestamp":1532476800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Intelligent &amp; Fuzzy Systems"],"published-print":{"date-parts":[[2018,11,20]]},"abstract":"<jats:p>Selection of suitable features plays a pivotal role in Electromyography pattern recognition (EMG-PR) based system designing. Time-domain features are widely used in EMG-PR based application and show improved proficiency in the development of rehabilitation robotics. Even though, the performance of existing features is not satisfactory. In this study, we proposed four novel time-domain features obtained by using first-order differentiation of original surface electromyogram (sEMG) signals feature. Here, sEMG signals were acquired from ten healthy volunteers with the help of myotrace400 device for six different arm movements. The data acquisition and pre-processing stage were carried out followed by the feature extraction process for better classification results. Four different classifiers namely, k-nearest neighbors (KNN), Linear discriminant analysis (LDA), Quadratic discriminant analysis (QDA) and Medium tree (MT) classifiers were utilized for the performance evaluation of proposed and conventional features. Experimental results demonstrate that proposed features extracted by using first-order differentiation of sEMG signals feature attained better classification accuracy with MT classifier as compared to the feature extracted from original sEMG signals with the conventional features. The accuracy of proposed feature based on first-order differentiation improved up to 6%. The results indicate that proposed features may be considered for developing the EMG-PR based system designing.<\/jats:p>","DOI":"10.3233\/jifs-169794","type":"journal-article","created":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T19:28:20Z","timestamp":1532719700000},"page":"5099-5109","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":32,"title":["sEMG signal classification with novel feature extraction using different machine learning approaches"],"prefix":"10.1177","volume":"35","author":[{"given":"Yogendra","family":"Narayan","sequence":"first","affiliation":[{"name":"Department of Electrical Engineering, National Institute of Technical Teachers Training and Research, Panjab University, Chandigarh, India"}]},{"given":"Lini","family":"Mathew","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, National Institute of Technical Teachers Training and Research, Panjab University, Chandigarh, India"}]},{"given":"S.","family":"Chatterji","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, National Institute of Technical Teachers Training and Research, Panjab University, Chandigarh, India"}]}],"member":"179","published-online":{"date-parts":[[2018,7,25]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.robot.2016.12.014"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.bbe.2017.03.001"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/THMS.2014.2358634"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/TBME.2008.2008171"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/TBME.2015.2407491"},{"key":"e_1_3_1_7_2","doi-asserted-by":"crossref","unstructured":"SamuelO.W. 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