Research Article
Enhancing the Power of CNN Using Data Augmentation Techniques for Odia Handwritten Character Recognition
Table 1
Architectural specification of the proposed five CNN models M1, M2, M3, M4, and M5.
| Layer | Feature map | Size | Kernel size | Stride | Activation | Model no. | Model no. | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 |
| Input | Image | 1 | 1 | 1 | 1 | 1 | 28 × 28 | — | — | — | 1 | Convolution | 45 | 45 | 25 | 5 | 20 | 24 × 24 | 5 | 1 | ReLu | 2 | Max pooling | 45 | 45 | 25 | 5 | 20 | 12 × 12 | 2 | 2 | — | 3 | Batch normalization | 45 | 45 | 25 | 5 | 20 | 12 × 12 | 2 | - | — | 4 | Convolution | 75 | 50 | 75 | 75 | 70 | 8 × 8 | 5 | 1 | ReLu | 5 | Max pooling | 75 | 50 | 75 | 75 | 70 | 4 × 4 | 2 | 2 | — | 6 | Batch normalization | 75 | 50 | 75 | 75 | 70 | 4 × 4 | 2 | — | — | 7 | Flatten | — | — | — | — | — | 1200 | 800 | 1200 | 1200 | 1120 | — | — | — | 8 | Dense | — | — | — | — | — | 300 | 200 | 300 | 300 | 300 | — | — | ReLu | 9 | Batch normalization | — | — | — | — | — | 300 | 200 | 300 | 300 | 300 | — | — | — | Output | | — | — | — | — | — | 47 | 47 | 47 | 47 | 47 | — | — | Softmax |
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