Table 8 Effect of adversarial training on retrieval performance for normal and adversarial queries across different backbone networks and Hashcode lengths on the A-MRI dataset.
Backbone Network | Query Type | Adversarial Training | Hashcode Length | |||
|---|---|---|---|---|---|---|
8 bits | 16 bits | 32 bits | 64 bits | |||
AlexNet | Normal | No | 0.79 | 0.89 | 0.87 | 0.75 |
Adversary | No | 0.03 | 0.08 | 0.02 | 0.07 | |
Normal | Yes | 0.69 | 0.80 | 0.78 | 0.62 | |
Adversary | Yes | 0.65 | 0.76 | 0.67 | 0.54 | |
VGG 16 | Normal | No | 0.77 | 0.86 | 0.86 | 0.74 |
Adversary | No | 0.01 | 0.06 | 0.08 | 0.05 | |
Normal | Yes | 0.73 | 0.81 | 0.84 | 0.74 | |
Adversary | Yes | 0.70 | 0.80 | 0.73 | 0.57 | |
DenseNet 121 | Normal | No | 0.78 | 0.84 | 0.81 | 0.68 |
Adversary | No | 0.12 | 0.11 | 0.11 | 0.02 | |
Normal | Yes | 0.75 | 0.83 | 0.79 | 0.65 | |
Adversary | Yes | 0.70 | 0.80 | 0.75 | 0.59 | |
DeneNet 201 | Normal | No | 0.79 | 0.88 | 0.82 | 0.71 |
Adversary | No | 0.01 | 0.05 | 0.16 | 0.08 | |
Normal | Yes | 0.77 | 0.86 | 0.80 | 0.69 | |
Adversary | Yes | 0.76 | 0.84 | 0.77 | 0.60 | |
ConvNeXt (Ours) | Normal | No | 0.81 | 0.89 | 0.84 | 0.73 |
Adversary | No | 0.01 | 0.05 | 0.03 | 0.01 | |
Normal | Yes | 0.80 | 0.88 | 0.84 | 0.73 | |
Adversary | Yes | 0.73 | 0.83 | 0.75 | 0.61 | |