Table 1.
Average Dice, Acc, and Jac values for the result of standard input in spatial domain (Tile size: 512 by 512, ×20 magnification, standard), the result of small ROI input in spatial domain (Tile size: 256 by 256, ×20 magnification, Small ROI), the result of low resolution input in spatial domain (Tile size: 512 by 512, ×10 magnification, low resolution), the result of weighted average ensemble (WAE) result for wavelet sub-band after grayscale conversion (GRAY-DWT (WAE)), the result of wavelet weighted ensemble (WWE) result for wavelet sub-band after grayscale conversion (GRAY-DWT (WWE)), the result of weighted average ensemble (WAE) result for wavelet sub-band after principle component analysis (PCA) (PCA-DWT (WAE)), and the result of wavelet weighted ensemble (WWE) result for wavelet sub-band after principal component analysis (PCA) (PCA-DWT (WWE)).
| Method | Dice | Acc | Jac | |
|---|---|---|---|---|
| Spatial domain | Standard | 0.777 ± 0.133 | 0.948 ± 0.030 | 0.663 ± 0.186 |
| Small ROI | 0.766 ± 0.146 | 0.946 ± 0.032 | 0.651 ± 0.199 | |
| Low resolution | 0.737 ± 0.164 | 0.938 ± 0.019 | 0.619 ± 0.197 | |
| Compressed domain | LL sub-band | 0.777 ± 0.157 | 0.944 ± 0.037 | 0.662 ± 0.206 |
| LH sub-band | 0.738 ± 0.172 | 0.931 ± 0.040 | 0.614 ± 0.218 | |
| HL sub-band | 0.719 ± 0.153 | 0.935 ± 0.030 | 0.583 ± 0.184 | |
| HH sub-band | 0.724 ± 0.167 | 0.929 ± 0.038 | 0.594 ± 0.206 | |
| Ensemble | GRAY-DWT (WAE) | 0.782 ± 0.155 | 0.944 ± 0.042 | 0.668 ± 0.207 |
| GRAY-DWT (WWE) | 0.790 ± 0.131 | 0.949 ± 0.027 | 0.671 ± 0.177 | |
| PCA-DWT (WAE) | 0.785 ± 0.159 | 0.947 ± 0.040 | 0.674 ± 0.208 | |
| PCA-DWT (WWE) | 0.804 ± 0.125 | 0.957 ± 0.025 | 0.690 ± 0.174 | |