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| Number | Image quality measurement | Equation |
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| 1 | Mean square error (MSE) | |
| 2 | Root mean square error (RMSE) | |
| 3 | Peak signal-to-noise ratio (PSNR) | |
| 4 | Universal image quality index (IQI) | |
| 5 | Measure of enhancement (EME) | |
| 6 | Pearson correlation coefficient (PCC) | |
| 7 | Signal-to-signal noise ratio (SNR) | |
| 8 | Mean absolute error (MAE) | |
| 9 | Structural similarity (SSIM) | |
| 10 | Weight peak signal-to-noise ratio (WPSNR) | |
| 11 | Normalized Hamming distance (NHD) | |
| 12 | Bit error rate (BER) | |
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