Research Article
Classification of Gait Patterns in Patients with Neurodegenerative Disease Using Adaptive Neuro-Fuzzy Inference System
Table 8
Performance comparison of several state-of-the-art methods for discriminating ND gaits from normal gaits.
| ā | Features | Classifier | Evaluation method | Overall accuracy (%) |
| ALS vs.CO | Swing-interval turns count; averaged stride interval [1] | LS-SVM | LOO | 89.66 | Entropy and coherence extracted from the wavelet approximation of the gait signal [6] | LDA | LOO | 86.2 | ANFIS models for left and right stride interval, left and right stance interval, and double support interval (proposed) | Distance rule | LOO | 93.10 |
| PD vs.CO | Swing-interval turns count; gait rhythm standard deviation [7] | LS-SVM | LOO | 90.32 | Constant RBF networks learned via deterministic learning [12] | Distance rule | LOO | 87.1 | ANFIS models for left and right stride interval, left and right stance interval, and double support interval (proposed) | Distance rule | LOO | 90.32 |
| HD vs.CO | Entropy and coherence extracted from the wavelet approximation of the gait signal [6] | LDA | LOO | 86.10 | Statistical features such as minimum, maximum, average, and standard deviation [30] | SVM | Random subsampling | 90.28 | ANFIS models for left and right stride interval, left and right stance interval, and double support interval (proposed) | Distance rule | LOO | 94.44 |
| ND vs.CO | Entropy and coherence extracted from the wavelet approximation of the gait signal [6] | LDA | LOO | 80.4 | Constant RBF networks learned via deterministic learning [12] | Distance rule | ATAT | 93.75 | ANFIS models for left and right stride interval, left and right stance interval, and double support interval (proposed) | Distance rule | LOO | 90.63 |
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LS-SVM: least squares support vector machines. LDA: linear discriminant analysis. ATAT: all-training-all-testing. LOO: leave-one-out.
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