DoF-Gaussian: Controllable Depth-of-Field for 3D Gaussian Splatting

• URL: http://arxiv.org/abs/2503.00746v3
• Date: Thu, 13 Mar 2025 07:26:01 GMT
• Title: DoF-Gaussian: Controllable Depth-of-Field for 3D Gaussian Splatting
• Authors: Liao Shen, Tianqi Liu, Huiqiang Sun, Jiaqi Li, Zhiguo Cao, Wei Li, Chen Change Loy,
• Abstract summary: We introduce DoF-Gaussian, a controllable depth-of-field method for 3D-GS.<n>We develop a lens-based imaging model based on geometric optics principles to control DoF effects.<n>Our framework is customizable and supports various interactive applications.
• Score: 52.52398576505268
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advances in 3D Gaussian Splatting (3D-GS) have shown remarkable success in representing 3D scenes and generating high-quality, novel views in real-time. However, 3D-GS and its variants assume that input images are captured based on pinhole imaging and are fully in focus. This assumption limits their applicability, as real-world images often feature shallow depth-of-field (DoF). In this paper, we introduce DoF-Gaussian, a controllable depth-of-field method for 3D-GS. We develop a lens-based imaging model based on geometric optics principles to control DoF effects. To ensure accurate scene geometry, we incorporate depth priors adjusted per scene, and we apply defocus-to-focus adaptation to minimize the gap in the circle of confusion. We also introduce a synthetic dataset to assess refocusing capabilities and the model's ability to learn precise lens parameters. Our framework is customizable and supports various interactive applications. Extensive experiments confirm the effectiveness of our method. Our project is available at https://dof-gaussian.github.io.

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