Research Article
Face Recognition Using MLP and RBF Neural Network with Gabor and Discrete Wavelet Transform Characterization:
A Comparative Study
Table 2
The optimal neural network topology.
| Parameter | Value | Fixed/variable |
| Dataset | Feature vectors (DWT or Gabor) | Fixed | DWT coefficients | Haar, db2, db4, bior2.2, Gabor | Variable | Training algorithm | Gradient descent | Fixed | Transfer function | Both layers use log-sigmoid | Fixed | Number of neurons in hidden layer | 10, 20, 30, 40, …, 90, 100 | Variable | Minimum training MSE | 0.001 | Fixed | Maximum epochs | 3000 to 6000 | Variable |
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