Title page for ETD etd-09282006-021229

Type of Document Master's Thesis
Author Jolly, Vineet Kumar
Author's Email Address vkjolly@vt.edu
URN etd-09282006-021229
Title Activity Recognition using Singular Value Decomposition
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Jones, Mark T. Committee Co-Chair
Martin, Thomas L. Committee Co-Chair
Plassmann, Paul E. Committee Member
  • activity recognition
  • e-textiles
  • svd
Date of Defense 2006-08-08
Availability unrestricted
A wearable device that accurately records a user's daily activities is of substantial value. It can be used to enhance medical monitoring by maintaining a diary that lists what a person was doing and for how long. The design of a wearable system to record context such as activity recognition is influenced by a combination of variables. A flexible yet systematic approach for building a software classification environment according to a set of variables is described. The integral part of the software design is the use of a unique robust classifier that uses principal component analysis (PCA) through singular value decomposition (SVD) to perform real-time activity recognition. The thesis describes the different facets of the SVD-based approach and how the classifier inputs can be modified to better differentiate between activities. This thesis presents the design and implementation of a classification environment used to perform activity detection for a wearable e-textile system.
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