Content | Metric | ROCC | LCC | RMSE | RMSE (subjective) | |||
---|---|---|---|---|---|---|---|---|
Training | Validation | Training | Validation | Training | Validation | |||
Content 1 | Proposed metric | 0.847 | 0.666 | 0.838 | 0.674 | 12.20 | 13.620 | 24.438 |
Wang [18] | 0.847 | -0.275 | 0.838 | -0.413 | 12.20 | 32.590 | ||
Content 2 | Proposed metric | 0.841 | 0.820 | 0.846 | 0.817 | 11.098 | 17.952 | 24.845 |
Wang [18] | 0.499 | 0.829 | 0.591 | 0.761 | 16.79 | 18.620 | ||
Content 3 | Proposed metric | 0.836 | 0.849 | 0.857 | 0.800 | 12.287 | 14.265 | 21.503 |
Wang [18] | 0.563 | 0.845 | 0.598 | 0.822 | 17.768 | 14.422 | ||
Content 4 | Proposed metric | 0.792 | 0.886 | 0.804 | 0.890 | 13.071 | 10.295 | 21.435 |
Wang [18] | 0.527 | 0.877 | 0.587 | 0.829 | 17.78 | 14.699 | ||
Content 5 | Proposed metric | 0.782 | 0.903 | 0.782 | 0.915 | 12.935 | 11.168 | 19.900 |
Wang [18] | 0.449 | 0.896 | 0.537 | 0.883 | 17.488 | 15.642 |