NOFT: Test-Time Noise Finetune via Information Bottleneck for Highly Correlated Asset Creation

• URL: http://arxiv.org/abs/2505.12235v1
• Date: Sun, 18 May 2025 05:09:47 GMT
• Title: NOFT: Test-Time Noise Finetune via Information Bottleneck for Highly Correlated Asset Creation
• Authors: Jia Li, Nan Gao, Huaibo Huang, Ran He,
• Abstract summary: diffusion model has provided a strong tool for implementing text-to-image (T2I) and image-to-image (I2I) generation.<n>We propose a noise finetune NOFT module employed by Stable Diffusion to generate highly correlated and diverse images.
• Score: 70.96827354717459
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The diffusion model has provided a strong tool for implementing text-to-image (T2I) and image-to-image (I2I) generation. Recently, topology and texture control are popular explorations, e.g., ControlNet, IP-Adapter, Ctrl-X, and DSG. These methods explicitly consider high-fidelity controllable editing based on external signals or diffusion feature manipulations. As for diversity, they directly choose different noise latents. However, the diffused noise is capable of implicitly representing the topological and textural manifold of the corresponding image. Moreover, it's an effective workbench to conduct the trade-off between content preservation and controllable variations. Previous T2I and I2I diffusion works do not explore the information within the compressed contextual latent. In this paper, we first propose a plug-and-play noise finetune NOFT module employed by Stable Diffusion to generate highly correlated and diverse images. We fine-tune seed noise or inverse noise through an optimal-transported (OT) information bottleneck (IB) with around only 14K trainable parameters and 10 minutes of training. Our test-time NOFT is good at producing high-fidelity image variations considering topology and texture alignments. Comprehensive experiments demonstrate that NOFT is a powerful general reimagine approach to efficiently fine-tune the 2D/3D AIGC assets with text or image guidance.

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