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New cyclic denoising attack reveals "ultrastable memories" in diffusion models

Researchers have developed a new technique called cyclic denoising to probe image diffusion models for memorized training data. This method involves repeatedly applying forward and reverse diffusion processes at controlled noise levels, revealing "ultrastable memories" within the model. These memories can regenerate even after significant corruption and persist through thousands of cycles, often corresponding to specific training images like stock photos or watermarks. The attack requires only sampler-level control and does not need gradients, weight inspection, or prior knowledge of the training data, demonstrating its potential for privacy and copyright auditing. AI

IMPACT This research offers a novel method for auditing diffusion models for memorized data, with implications for privacy and copyright compliance.

RANK_REASON The cluster contains an academic paper detailing a new research method and its findings.

Read on arXiv cs.LG →

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New cyclic denoising attack reveals "ultrastable memories" in diffusion models

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COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Rishabh Sharma, Stefano Martiniani ·

    Cyclic Denoising Reveals Ultrastable Memories in Diffusion Models

    arXiv:2606.24000v1 Announce Type: new Abstract: We introduce cyclic denoising -- repeated forward and reverse diffusion at controlled noise amplitudes -- as an extraction attack for image diffusion models. Inspired by random organization in disordered solids, cyclic denoising exp…

  2. arXiv cs.LG TIER_1 English(EN) · Stefano Martiniani ·

    Cyclic Denoising Reveals Ultrastable Memories in Diffusion Models

    We introduce cyclic denoising -- repeated forward and reverse diffusion at controlled noise amplitudes -- as an extraction attack for image diffusion models. Inspired by random organization in disordered solids, cyclic denoising exposes regions of the learned distribution that ar…