Semantic Editing with Coupled Stochastic Differential Equations

• URL: http://arxiv.org/abs/2509.24223v1
• Date: Mon, 29 Sep 2025 03:05:16 GMT
• Title: Semantic Editing with Coupled Stochastic Differential Equations
• Authors: Jianxin Zhang, Clayton Scott,
• Abstract summary: We propose using coupled differential equations (coupled SDEs) to guide the sampling process of any pre-trained generative model.<n>By driving both the source image and the edited image with the same correlated noise, our approach steers new samples toward the desired semantics.
• Score: 14.747544527069804
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Editing the content of an image with a pretrained text-to-image model remains challenging. Existing methods often distort fine details or introduce unintended artifacts. We propose using coupled stochastic differential equations (coupled SDEs) to guide the sampling process of any pre-trained generative model that can be sampled by solving an SDE, including diffusion and rectified flow models. By driving both the source image and the edited image with the same correlated noise, our approach steers new samples toward the desired semantics while preserving visual similarity to the source. The method works out-of-the-box-without retraining or auxiliary networks-and achieves high prompt fidelity along with near-pixel-level consistency. These results position coupled SDEs as a simple yet powerful tool for controlled generative AI.

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