S. Parsaeian (Iran), K. Tavakolian (Canada), M.B. Shamsolahi (Iran), and S. Rezaei (Canada)
: Vibroarthographic signal (VAG),Feedforward Neural Network, Time-Frequency features.
: Recording of Vibroarthrographic (VAG) signals, emitted during movement of knee joint is a noninvasive technique for diagnosis of cartilage disorders. In this research a total of 22 features from frequency, time and time-frequency and six autoregressive model coefficients have been extracted from VAG signal. These features were classified by a feedforward neural network to two normal and abnormal groups. For our first data set the classification accuracy was 87.5% and for the second dataset it was 75%.
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