GuidPaint: Class-Guided Image Inpainting with Diffusion Models

Fuente: arXiv
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Autori principali: Wang, Qimin, Liu, Xinda, Geng, Guohua
Natura: Preprint
Pubblicazione: 2025
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author Wang, Qimin
Liu, Xinda
Geng, Guohua
author_facet Wang, Qimin
Liu, Xinda
Geng, Guohua
contents In recent years, diffusion models have been widely adopted for image inpainting tasks due to their powerful generative capabilities, achieving impressive results. Existing multimodal inpainting methods based on diffusion models often require architectural modifications and retraining, resulting in high computational cost. In contrast, context-aware diffusion inpainting methods leverage the model's inherent priors to adjust intermediate denoising steps, enabling high-quality inpainting without additional training and significantly reducing computation. However, these methods lack fine-grained control over the masked regions, often leading to semantically inconsistent or visually implausible content. To address this issue, we propose GuidPaint, a training-free, class-guided image inpainting framework. By incorporating classifier guidance into the denoising process, GuidPaint enables precise control over intermediate generations within the masked areas, ensuring both semantic consistency and visual realism. Furthermore, it integrates stochastic and deterministic sampling, allowing users to select preferred intermediate results and deterministically refine them. Experimental results demonstrate that GuidPaint achieves clear improvements over existing context-aware inpainting methods in both qualitative and quantitative evaluations.
format Preprint
id arxiv_https___arxiv_org_abs_2507_21627
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle GuidPaint: Class-Guided Image Inpainting with Diffusion Models
Wang, Qimin
Liu, Xinda
Geng, Guohua
Computer Vision and Pattern Recognition
I.4.4
In recent years, diffusion models have been widely adopted for image inpainting tasks due to their powerful generative capabilities, achieving impressive results. Existing multimodal inpainting methods based on diffusion models often require architectural modifications and retraining, resulting in high computational cost. In contrast, context-aware diffusion inpainting methods leverage the model's inherent priors to adjust intermediate denoising steps, enabling high-quality inpainting without additional training and significantly reducing computation. However, these methods lack fine-grained control over the masked regions, often leading to semantically inconsistent or visually implausible content. To address this issue, we propose GuidPaint, a training-free, class-guided image inpainting framework. By incorporating classifier guidance into the denoising process, GuidPaint enables precise control over intermediate generations within the masked areas, ensuring both semantic consistency and visual realism. Furthermore, it integrates stochastic and deterministic sampling, allowing users to select preferred intermediate results and deterministically refine them. Experimental results demonstrate that GuidPaint achieves clear improvements over existing context-aware inpainting methods in both qualitative and quantitative evaluations.
title GuidPaint: Class-Guided Image Inpainting with Diffusion Models
topic Computer Vision and Pattern Recognition
I.4.4
url https://arxiv.org/abs/2507.21627