Title
Classifying human leg motions with uniaxial piezoelectric gyroscopes.
Abstract
This paper provides a comparative study on the different techniques of classifying human leg motions that are performed using two low-cost uniaxial piezoelectric gyroscopes worn on the leg. A number of feature sets, extracted from the raw inertial sensor data in different ways, are used in the classification process. The classification techniques implemented and compared in this study are: Bayesian decision making (BDM), a rule-based algorithm (RBA) or decision tree, least-squares method (LSM), k-nearest neighbor algorithm (k-NN), dynamic time warping (DTW), support vector machines (SVM), and artificial neural networks (ANN). A performance comparison of these classification techniques is provided in terms of their correct differentiation rates, confusion matrices, computational cost, and training and storage requirements. Three different cross-validation techniques are employed to validate the classifiers. The results indicate that BDM, in general, results in the highest correct classification rate with relatively small computational cost.
Year
DOI
Venue
2009
10.3390/s91108508
SENSORS
Keywords
Field
DocType
gyroscope,inertial sensors,motion classification,Bayesian decision making,rule-based algorithm,least-squares method,k-nearest neighbor,dynamic time warping,support vector machines,artificial neural networks
Data mining,Decision tree,Gyroscope,Dynamic time warping,Computer science,Electronic engineering,Inertial measurement unit,Artificial intelligence,Artificial neural network,k-nearest neighbors algorithm,Pattern recognition,Support vector machine,Bayesian probability
Journal
Volume
Issue
ISSN
9
11
1424-8220
Citations 
PageRank 
References 
22
2.05
35
Authors
3
Name
Order
Citations
PageRank
Orkun Tunçel1984.69
Kerem Altun219410.30
Billur Barshan331327.83