ExScene: Free-View 3D Scene Reconstruction with Gaussian Splatting from a Single Image

• URL: http://arxiv.org/abs/2503.23881v1
• Date: Mon, 31 Mar 2025 09:33:22 GMT
• Title: ExScene: Free-View 3D Scene Reconstruction with Gaussian Splatting from a Single Image
• Authors: Tianyi Gong, Boyan Li, Yifei Zhong, Fangxin Wang,
• Abstract summary: Existing methods are often limited to reconstruct low-consistency 3D scenes with narrow fields of view from single-view input.<n>We propose ExScene, a two-stage pipeline to reconstruct an immersive 3D scene from any given single-view image.<n>ExScene achieves consistent and immersive scene reconstruction using only single-view input.
• Score: 4.366356163044466
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The increasing demand for augmented and virtual reality applications has highlighted the importance of crafting immersive 3D scenes from a simple single-view image. However, due to the partial priors provided by single-view input, existing methods are often limited to reconstruct low-consistency 3D scenes with narrow fields of view from single-view input. These limitations make them less capable of generalizing to reconstruct immersive scenes. To address this problem, we propose ExScene, a two-stage pipeline to reconstruct an immersive 3D scene from any given single-view image. ExScene designs a novel multimodal diffusion model to generate a high-fidelity and globally consistent panoramic image. We then develop a panoramic depth estimation approach to calculate geometric information from panorama, and we combine geometric information with high-fidelity panoramic image to train an initial 3D Gaussian Splatting (3DGS) model. Following this, we introduce a GS refinement technique with 2D stable video diffusion priors. We add camera trajectory consistency and color-geometric priors into the denoising process of diffusion to improve color and spatial consistency across image sequences. These refined sequences are then used to fine-tune the initial 3DGS model, leading to better reconstruction quality. Experimental results demonstrate that our ExScene achieves consistent and immersive scene reconstruction using only single-view input, significantly surpassing state-of-the-art baselines.

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