InfGen: A Resolution-Agnostic Paradigm for Scalable Image Synthesis

• URL: http://arxiv.org/abs/2509.10441v1
• Date: Fri, 12 Sep 2025 17:48:57 GMT
• Title: InfGen: A Resolution-Agnostic Paradigm for Scalable Image Synthesis
• Authors: Tao Han, Wanghan Xu, Junchao Gong, Xiaoyu Yue, Song Guo, Luping Zhou, Lei Bai,
• Abstract summary: Current diffusion models increase computational demand quadratically with resolution, causing 4K image generation delays over 100 seconds.<n>We propose to decode arbitrary resolution images with a compact generated latent using a one-step generator.<n>InfGen is capable of improving many models into the arbitrary high-resolution era while cutting 4K image generation time to under 10 seconds.
• Score: 51.81849724354083
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Arbitrary resolution image generation provides a consistent visual experience across devices, having extensive applications for producers and consumers. Current diffusion models increase computational demand quadratically with resolution, causing 4K image generation delays over 100 seconds. To solve this, we explore the second generation upon the latent diffusion models, where the fixed latent generated by diffusion models is regarded as the content representation and we propose to decode arbitrary resolution images with a compact generated latent using a one-step generator. Thus, we present the \textbf{InfGen}, replacing the VAE decoder with the new generator, for generating images at any resolution from a fixed-size latent without retraining the diffusion models, which simplifies the process, reducing computational complexity and can be applied to any model using the same latent space. Experiments show InfGen is capable of improving many models into the arbitrary high-resolution era while cutting 4K image generation time to under 10 seconds.

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