Papers › Zoomed In, Diffused Out: Towards Local Degradation-Aware Multi-Diffusion for Extreme...

Zoomed In, Diffused Out: Towards Local Degradation-Aware Multi-Diffusion for Extreme Image Super-Resolution

18 Nov 2024arXiv:2411.12072archive 2025-07-28

Brian B. Moser, Stanislav Frolov, Tobias C. Nauen, Federico Raue, Andreas Dengel

Large-scale, pre-trained Text-to-Image (T2I) diffusion models have gained significant popularity in image generation tasks and have shown unexpected potential in image Super-Resolution (SR). However, most existing T2I diffusion models are trained with a resolution limit of 512x512, making scaling beyond this resolution an unresolved but necessary challenge for image SR. In this work, we introduce a novel approach that, for the first time, enables these models to generate 2K, 4K, and even 8K images without any additional training. Our method leverages MultiDiffusion, which distributes the generation across multiple diffusion paths to ensure global coherence at larger scales, and local degradation-aware prompt extraction, which guides the T2I model to reconstruct fine local structures according to its low-resolution input. These innovations unlock higher resolutions, allowing T2I diffusion models to be applied to image SR tasks without limitation on resolution.

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image_grid Brian-Moser/zido/train_seesr.py official repository ran · fixture could not drive it Apache-2.0 (permissive) · bd5a05ce886da4ce · report
AttentionBlock Brian-Moser/zido/basicsr/archs/dfdnet_util.py official repository unverified Apache-2.0 (permissive) · 8d3cd21cd5c3181a · report
adaptive_instance_normalization Brian-Moser/zido/basicsr/archs/dfdnet_util.py official repository unverified Apache-2.0 (permissive) · b7c6741eed724350 · report
calc_mean_std Brian-Moser/zido/basicsr/archs/dfdnet_util.py official repository unverified Apache-2.0 (permissive) · a7e8af4ef5efc131 · report
import_model_class_from_model_name_or_path Brian-Moser/zido/train_seesr.py official repository unverified Apache-2.0 (permissive) · 2f00b39db5a81466 · report
zero_module Brian-Moser/zido/models/controlnet.py official repository unverified Apache-2.0 (permissive) · da94debb8019ad46 · report

Tasks

2k4kImage GenerationImage Super-ResolutionSuper-Resolution

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Methods

Diffusion

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