{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T11:03:26Z","timestamp":1724670206067},"reference-count":44,"publisher":"Walter de Gruyter GmbH","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:p>Identifying functional handgrip patterns using surface electromygram (sEMG) signal recorded from amputee residual muscle is required for controlling the myoelectric prosthetic hand. In this study, we have computed the signal fractal dimension (FD) and maximum fractal length (MFL) during different grip patterns performed by healthy and transradial amputee subjects. The FD and MFL of the sEMG, referred to as the fractal features, were classified using twin support vector machines (TSVM) to recognize the handgrips. TSVM requires fewer support vectors, is suitable for data sets with unbalanced distributions, and can simultaneously be trained for improving both sensitivity and specificity. When compared with other methods, this technique resulted in improved grip recognition accuracy, sensitivity, and specificity, and this improvement was significant (\u03ba=0.91).<\/jats:p>","DOI":"10.1515\/bmt-2014-0134","type":"journal-article","created":{"date-parts":[[2015,7,17]],"date-time":"2015-07-17T17:01:26Z","timestamp":1437152486000},"page":"87-94","source":"Crossref","is-referenced-by-count":5,"title":["Fractal and twin SVM-based handgrip recognition for healthy subjects and trans-radial amputees using myoelectric signal"],"prefix":"10.1515","volume":"61","author":[{"given":"Sridhar Poosapadi","family":"Arjunan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dinesh Kant","family":"Kumar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"family":"Jayadeva J.","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","reference":[{"key":"ref181","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1109\/TITB.2009.2037752","article-title":"Twin SVM for gesture classification using the surface electromyogram","volume":"14","author":"Naik","year":"2010","journal-title":"IEEE Trans Inform Technol"},{"key":"ref271","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1142\/S0219519411003867","article-title":"Fractal properties of surface electromyogram for classification of low - 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