Table 4 Correlations of each transferability measure with CNN accuracy for individual algorithms as well as overall
Measure | Head Re-train, \(n = 144\) | CORAL, \(n = 144\) | Per-Class CORAL, \(n = 144\) | SA, \(n = 144\) | DDC, \(n = 144\) | Overall, \(n = 720\) |
|---|---|---|---|---|---|---|
LEEP | − 0.03 | 0.24** | 0.28*** | 0.30*** | − 0.11 | − 0.07 |
H-score | 0.36*** | 0.47*** | 0.47*** | − 0.05 | − 0.10 | 0.23*** |
Hypothesis margin | − 0.07 | 0.05 | 0.07 | − 0.11 | 0.15 | 0.08 |
Silhouette score | − 0.31 | − 0.21* | − 0.21* | 0.13 | 0.07 | − 0.11* |
MMD, \(\gamma = 0.1\Gamma \) | − 0.25** | − 0.14 | − 0.11 | − 0.36*** | 0.33*** | − 0.11** |
MMD, \(\gamma = 1\Gamma \) | 0.07 | 0.08 | 0.03 | − 0.44*** | 0.05 | − 0.04 |
MMD, \(\gamma = 10\Gamma \) | 0.16 | 0.29*** | 0.25** | − 0.53*** | 0.07 | 0.05 |
TDAS, \(\epsilon = 0.1m\) | 0.17* | 0.24** | 0.28*** | − 0.17* | 0.01 | 0.11*** |
TDAS, \(\epsilon = 1m\) | − 0.36*** | − 0.42*** | − 0.42*** | 0.19*** | 0.08 | − 0.18*** |
TDAS, \(\epsilon = 10m\) | − 0.35*** | − 0.41*** | − 0.42* | 0.19* | 0.07 | − 0.18*** |