DBLP: Noise Bridge Consistency Distillation For Efficient And Reliable Adversarial Purification
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Abstract (arXiv)
Recent advances in deep neural networks (DNNs) have led to remarkable success across a wide range of tasks. However, their susceptibility to adversarial perturbations remains a critical vulnerability. Existing diffusion-based adversarial purification methods often require intensive iterative denoising, severely limiting their practical deployment. In this paper, we propose Diffusion Bridge Distillation for Purification (DBLP), a novel and efficient diffusion-based framework for adversarial purification. Central to our approach is a new objective, noise bridge distillation, which constructs a principled alignment between the adversarial noise distribution and the clean data distribution within a latent consistency model (LCM). To further enhance semantic fidelity, we introduce adaptive semantic enhancement, which fuses multi-scale pyramid edge maps as conditioning input to guide the purification process. Extensive experiments across multiple datasets demonstrate that DBLP achieves state-of-the-art (SOTA) robust accuracy, superior image quality, and around 0.2s inference time, marking a significant step toward real-time adversarial purification.
Key facts. Cited by 1 paper in the map (data through 7 Oct 2026). Builds on 54 of its 78 references that are in the map. First posted on arXiv 1 Aug 2025.
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- 2026Universal Adversarial Purification with DDIM Metric Loss for Stable Diffusion
- 2024Towards Understanding the Robustness of Diffusion-Based Purification: A Stochastic Perspective
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