Table 4.
Classification results of deep CORrelation ALignment (CORAL) and deep domain confusion (DDC) (fc6a).
| S-Tb | Deep CORAL | DDC | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S c | T d | S | T | |||||||||
| Tre(%) | Valf(%) | Teg(%) | Tr(%) | Val(%) | Te(%) | Tr(%) | Val(%) | Te(%) | Tr(%) | Val(%) | Te(%) | |
| 01–02 | 100.00 | 87.50 | 80.00 | 61.99 | 58.82 | 62.50 | 100.00 | 87.50 | 86.67 | 56.14 | 58.82 | 56.25 |
| 01–03 | 100.00 | 87.50 | 86.67 | 80.63 | 84.21 | 83.33 | 100.00 | 87.50 | 86.67 | 80.10 | 84.21 | 83.33 |
| 01–04 | 100.00 | 87.50 | 86.67 | 69.90 | 73.68 | 73.68 | 100.00 | 87.50 | 80.00 | 69.90 | 73.68 | 73.68 |
| 02–01 | 100.00 | 82.35 | 75.00 | 79.11 | 87.50 | 73.33 | 100.00 | 82.35 | 75.00 | 74.05 | 81.25 | 80.00 |
| 02–03 | 100.00 | 76.47 | 75.00 | 79.58 | 78.95 | 77.78 | 100.00 | 76.47 | 75.00 | 75.39 | 78.95 | 72.22 |
| 02–04 | 100.00 | 82.35 | 81.25 | 68.88 | 73.68 | 68.42 | 100.00 | 88.24 | 75.00 | 72.96 | 73.68 | 52.63 |
| 03–01 | 100.00 | 94.74 | 83.33 | 86.08 | 87.50 | 86.67 | 100.00 | 89.47 | 72.22 | 82.28 | 87.50 | 73.33 |
| 03–02 | 100.00 | 94.74 | 88.89 | 77.78 | 76.47 | 75.00 | 100.00 | 89.47 | 77.78 | 76.61 | 70.59 | 62.50 |
| 03–04 | 100.00 | 94.74 | 88.89 | 75.51 | 84.21 | 84.21 | 100.00 | 84.21 | 83.33 | 71.43 | 78.95 | 73.68 |
| 04–01 | 100.00 | 94.74 | 94.74 | 77.22 | 81.25 | 80.00 | 100.00 | 94.74 | 94.74 | 72.78 | 68.75 | 73.33 |
| 04–02 | 100.00 | 94.74 | 94.74 | 73.68 | 76.47 | 75.00 | 100.00 | 84.21 | 89.47 | 69.59 | 70.59 | 68.75 |
| 04–03 | 100.00 | 89.47 | 100.00 | 82.72 | 84.21 | 77.78 | 100.00 | 84.21 | 94.74 | 78.01 | 78.95 | 77.78 |
afc6 means that the last fully connected layer of the CNN was used for calculating domain loss (CORAL loss and maximum mean discrepancy, MMD, loss, as shown in Figures 3 and 4); bS-T means the source domain-the target domain; cS means the source domain; dT means the target domain; eTr means the training set of the target domain; fVal means the validation set of the target domain; gTe means the test set of the target domain. The bold values means the accuracy rate of the test set was beyond 75%.