Generative Object Insertion in Gaussian Splatting with a Multi-View Diffusion Model

• URL: http://arxiv.org/abs/2409.16938v1
• Date: Wed, 25 Sep 2024 13:52:50 GMT
• Title: Generative Object Insertion in Gaussian Splatting with a Multi-View Diffusion Model
• Authors: Hongliang Zhong, Can Wang, Jingbo Zhang, Jing Liao,
• Abstract summary: We propose a novel method for object insertion in 3D content represented by Gaussian Splatting. Our approach introduces a multi-view diffusion model, dubbed MVInpainter, which is built upon a pre-trained stable video diffusion model. Within MVInpainter, we incorporate a ControlNet-based conditional injection module to enable controlled and more predictable multi-view generation.
• Score: 15.936267489962122
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Generating and inserting new objects into 3D content is a compelling approach for achieving versatile scene recreation. Existing methods, which rely on SDS optimization or single-view inpainting, often struggle to produce high-quality results. To address this, we propose a novel method for object insertion in 3D content represented by Gaussian Splatting. Our approach introduces a multi-view diffusion model, dubbed MVInpainter, which is built upon a pre-trained stable video diffusion model to facilitate view-consistent object inpainting. Within MVInpainter, we incorporate a ControlNet-based conditional injection module to enable controlled and more predictable multi-view generation. After generating the multi-view inpainted results, we further propose a mask-aware 3D reconstruction technique to refine Gaussian Splatting reconstruction from these sparse inpainted views. By leveraging these fabricate techniques, our approach yields diverse results, ensures view-consistent and harmonious insertions, and produces better object quality. Extensive experiments demonstrate that our approach outperforms existing methods.

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