FEAP-DiT: Frequency-decoupled efficient adversarial purification with diffusion transformers

Zihao Lu

doi:10.1016/j.inffus.2026.104539

FEAP-DiT: Frequency-decoupled efficient adversarial purification with diffusion transformers

2026-06-10

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DOI：10.1016/j.inffus.2026.104539

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• Frequency-aware adversarial purification on diffusion transformers. • Temporal dynamics enable semantic protection and perturbation suppression. • Efficient control branch refines high-frequency fine-grained structures. • Text-guided latent modeling is theoretically justified for purification. • Up to 3.40% robustness improvement with lower inference cost.

Keywords:

Adversarial purification

Diffusion transformer (DiT)

Frequency decoupling

Efficient inference

Control-aware refinement

Robust image classification

FEAP-DiT: Frequency-decoupled efficient adversarial purification with diffusion transformers

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