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. 2023 Oct 27;23(21):8769. doi: 10.3390/s23218769

Table 6.

Description of the 1D-CNN-based model.

Input Layer: 1D grayscale image [1, 7710, 1]
Feature extraction: three blocks of convolutional-normalization-activation-pooling layers
Layers Hyperparameters Feature maps
Block 1 Convolutional filters: 32 filter size: [1, 9] stride size: [1, 1] 32 × [1, 7710]
Batch normalization 32 × [1, 7710]
Activation ReLU 32 × [1, 7710]
Pooling max filter size: [1, 6] stride size: [1, 6] 32 × [1, 1285]
Block 2 Convolution filters: 32 filter size: [1, 9] stride size: [1, 1] 32 × [1, 1285]
Batch normalization 32 × [1, 1285]
Activation ReLU 32 × [1, 1285]
Pooling max filter size: [1, 6] stride size: [1, 6] 32 × [1, 215]
Block 3 Convolutional filters: 32 filter size: [1, 9] stride size: [1, 1] 32 × [1, 215]
Batch normalization 32 × [1, 215]
Activation ReLU 32 × [1, 215]
Pooling max filter size: [1, 6] stride size: [1, 6] 32 × [1, 36]
Flatten layer [1152]
4—class
classification
Fully connected layer [256]
Fully connected layer [128]
Fully connected layer [4]
Softmax layer [4]
Classoutput layer Cross-entropy loss function [4]