Human activity data discovery from triaxial accelerometer sensor: Non-supervised learning sensitivity to feature extraction parametrization. Issue 2 (March 2015)

• Record Type: Journal Article
• Authors: Machado, Inês P.; Luísa Gomes, A.; Gamboa, Hugo; Paixão, Vítor; Costa, Rui M.
• Is Part Of: Information processing & management. Volume 51:Issue 2(2015:Mar.)
• Page Start: 204
• Page End: 214
• Publication Date: 2015-03
• Subjects: Information storage and retrieval systems -- Periodicals; Information science -- Periodicals; Systèmes d'information -- Périodiques; Sciences de l'information -- Périodiques; Information science; Information storage and retrieval systems; Periodicals; 658.4038
• DOI: 10.1016/j.ipm.2014.07.008
• Languages: English
• ISSNs: 0306-4573

Abstract

<abstract xml:lang="en" abstract-type="author-highlights" id="ab005"> <title id="st115">Highlights</title> <sec> <p id="sp005"> <list id="l0005"> <list-item id="u0005"> <label></label> <p id="p0220">The presented study performs two different tests in intra and inter subject context.</p> </list-item> <list-item id="u0010"> <label></label> <p id="p0225">A set of 180 features is implemented to be selected based on clustering performance.</p> </list-item> <list-item id="u0015"> <label></label> <p id="p0230">Our algorithm searches for the best feature extraction parameter.</p> </list-item> <list-item id="u0020"> <label></label> <p id="p0235">A new clustering metric based on the construction of the confusion matrix is proposed.</p> </list-item> <list-item id="u0025"> <label></label> <p id="p0240">A novel gesture recognition system based on data from a single 3 dimensional accelerometer.</p> </list-item> </list> </p> </sec> </abstract>