TransLight: Image-Guided Customized Lighting Control with Generative Decoupling

• URL: http://arxiv.org/abs/2508.14814v1
• Date: Wed, 20 Aug 2025 16:05:12 GMT
• Title: TransLight: Image-Guided Customized Lighting Control with Generative Decoupling
• Authors: Zongming Li, Lianghui Zhu, Haocheng Shen, Longjin Ran, Wenyu Liu, Xinggang Wang,
• Abstract summary: We present TransLight, a novel framework that enables high-fidelity and high-freedom transfer of light effects.<n>We first present Generative Decoupling, where two fine-tuned diffusion models are used to accurately separate image content and light effects.<n>We then employ IC-Light as the generative model and train our model with our triplets, injecting the reference lighting image as an additional conditioning signal.
• Score: 31.587782425861363
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Most existing illumination-editing approaches fail to simultaneously provide customized control of light effects and preserve content integrity. This makes them less effective for practical lighting stylization requirements, especially in the challenging task of transferring complex light effects from a reference image to a user-specified target image. To address this problem, we propose TransLight, a novel framework that enables high-fidelity and high-freedom transfer of light effects. Extracting the light effect from the reference image is the most critical and challenging step in our method. The difficulty lies in the complex geometric structure features embedded in light effects that are highly coupled with content in real-world scenarios. To achieve this, we first present Generative Decoupling, where two fine-tuned diffusion models are used to accurately separate image content and light effects, generating a newly curated, million-scale dataset of image-content-light triplets. Then, we employ IC-Light as the generative model and train our model with our triplets, injecting the reference lighting image as an additional conditioning signal. The resulting TransLight model enables customized and natural transfer of diverse light effects. Notably, by thoroughly disentangling light effects from reference images, our generative decoupling strategy endows TransLight with highly flexible illumination control. Experimental results establish TransLight as the first method to successfully transfer light effects across disparate images, delivering more customized illumination control than existing techniques and charting new directions for research in illumination harmonization and editing.

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