Table 3 Detailed information on CNN model employed for “C-2” mode
From: A hybrid deep CNN model for brain tumor image multi-classification
Layer Name | CNN Layer | Activations | Parameters (Trainable) | Total No. of Trainable Parameters |
|---|---|---|---|---|
Input | 227 × 227 × 3 | 227 × 227 × 3 | nil | 0 |
Convolutional | 128 (6 × 6 × 3), stride of (4,4), with (0 0 0 0) padding | 56 × 56 × 128 | 6 × (6 × 3) × 128 weights, 1 × 1 × 128 bias | 13,952 |
Activation layer | Activation layer-1 | 56 × 56 × 128 | nil | 0 |
Normalization | Normalization (cross-channel) | 56 × 56 × 128 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 28 × 28 × 128 | nil | 0 |
Convolutional | 96 (6 × 6 × 128), stride of (1,1), and (2 2 2 2) padding | 27 × 27 × 96 | 6 × (6 × 128) × 96 weights, 1 × 1 × 96 bias | 442,464 |
Activation layer | Activation layer-2 | 27 × 27 × 96 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 13 × 13 × 96 | nil | 0 |
Convolutional | 96 (2 × 2 × 96), stride of (1,1), and (2 2 2 2) padding | 16 × 16 × 96 | 2 × (2 × 96) × 96 weights, 1 × 1 × 96 bias | 36,960 |
Activation layer | Activation layer-3 | 16 × 16 × 96 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 8 × 8 × 96 | nil | 0 |
Convolutional | 24 (6 × 6 × 96), stride of (1,1), and (2 2 2 2) padding | 7 × 7 × 24 | 6 × (6 × 96) × 24 weights, 1 × 1 × 24 bias | 82,968 |
Activation layer | Activation layer-4 | 7 × 7 × 24 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 3 × 3 × 24 | nil | 0 |
Convolutional | 24 (6 × 6 × 24), stride of (1,1), and (2 2 2 2) padding | 2 × 2 × 24 | 6 × (6 × 24) × 24 weights, 1 × 1 × 24 bias | 20,760 |
Activation layer | Activation layer-5 | 2 × 2 × 24 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 1 × 1 × 24 | nil | 0 |
Convolutional | 32 (4 × 4 × 4), stride of (1,1), and (2 2 2 2) padding | 2 × 2 × 32 | 4 × (4 × 24) × 32 weights, 1 × 1 × 24 bias | 12,320 |
Activation layer | Activation layer-6 | 2 × 2 × 32 | nil | 0 |
Max_pooling | (2 × 2) with stride of (2,2), and (0 0 0 0) padding | 1 × 1 × 32 | nil | 0 |
Fully_connected | 512 Fully_connected | 1 × 1 × 512 | 512 × 32 weights, 512 × 1 bias | 16,896 |
Dropout | 30% | 1 × 1 × 512 | nil | 0 |
Fully_connected | 5 Fully_connected | 1 × 1 × 5 | 512 × 5 weights, 5 × 1 bias | 2565 |
Softmax | Softmax | 1 × 1 × 5 | nil | 0 |
Classification | Benign, glioma, pituitary, metastatic, and meningioma | nil | nil | 0 |