| S. no. | Noise type | No. of natural images | No. of medical images |
| 1. | Gaussian | 44 images with noise levels:1%, 2%, 3%, 4%, and 5% | 109 images with noise levels:1%, 2%, 3%, 4%, and 5% | 2. | Motion | 44 images with noise levels:1%, 2%, 3%, 4%, and 5% | 118 images with noise levels:1%, 2%, 3%, 4%, and 5% | 3. | Poisson | 44 images with noise levels:1%, 2%, 3%, 4%, and 5% | 71 images with noise levels:1%, 2%, 3%, 4%, and 5% | 4. | Salt-and-pepper | 44 images with noise levels:1%, 2%, 3%, 4%, and 5% | 139 images with noise levels:1%, 2%, 3%, 4%, and 5% | 5. | Speckle | 44 images with noise levels:1%, 2%, 3%, 4%, and 5% | 141 images with noise levels:1%, 2%, 3%, 4%, and 5% | Total images | 1,100 | 2,890 |
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