An NR-IQA defense built from an FFT-domain orthogonal block, 10% pruning, and fine-tuning lowers adversarial AbsGain on some models with a modest SROCC decline, but the reported gains are mixed across architectures.
Jari Korhonen and Junyong You
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Robustness as Architecture: Designing IQA Models to Withstand Adversarial Perturbations
An NR-IQA defense built from an FFT-domain orthogonal block, 10% pruning, and fine-tuning lowers adversarial AbsGain on some models with a modest SROCC decline, but the reported gains are mixed across architectures.