{"slug": "unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis", "title": "Unified Backbone Refinement for Diffusion Models via Internal-Latent Analysis", "summary": "Researchers introduced DUNE, a training-free refinement framework for diffusion models that detects and suppresses abrupt fluctuations in deep internal latents, improving fidelity and reducing hallucinations across U-Net and Transformer backbones.", "body_md": "arXiv:2607.09753v1 Announce Type: new\nAbstract: Diffusion models have achieved remarkable success across diverse domains, with performance closely related to the denoising backbones that parameterize the score function. In this paper, we present a systematic, phase-aware analysis of diffusion components and show that abrupt, early-stage fluctuations in deep latents are strongly associated with artifacts. Guided by these findings, we introduce DUNE (Diffusion Unified Network refiNEr), a training-free refinement framework that detects abrupt deviations in deep low-noise internal latents using a shared EMA-based criterion, and applies backbone-specific suppression to the detector-selected entries. Although derived from U-Net, the same detect-suppress principle extends naturally to Transformer-based diffusion models by acting on the latents of deep self-attention blocks. Extensive experiments across multiple backbones indicate that DUNE improves fidelity while reducing hallucinations, offering new insight into where and when diffusion backbones should be controlled.", "url": "https://wpnews.pro/news/unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis", "canonical_source": "https://arxiv.org/abs/2607.09753", "published_at": "2026-07-14 04:00:00+00:00", "updated_at": "2026-07-14 04:03:07.748523+00:00", "lang": "en", "topics": ["artificial-intelligence", "machine-learning", "generative-ai", "ai-research"], "entities": ["DUNE"], "alternates": {"html": "https://wpnews.pro/news/unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis", "markdown": "https://wpnews.pro/news/unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis.md", "text": "https://wpnews.pro/news/unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis.txt", "jsonld": "https://wpnews.pro/news/unified-backbone-refinement-for-diffusion-models-via-internal-latent-analysis.jsonld"}}