HRAvatar: High-Quality and Relightable Gaussian Head Avatar

• URL: http://arxiv.org/abs/2503.08224v1
• Date: Tue, 11 Mar 2025 09:42:40 GMT
• Title: HRAvatar: High-Quality and Relightable Gaussian Head Avatar
• Authors: Dongbin Zhang, Yunfei Liu, Lijian Lin, Ye Zhu, Kangjie Chen, Minghan Qin, Yu Li, Haoqian Wang,
• Abstract summary: We propose HRAvatar, a 3DGS-based method that reconstructs high-fidelity, relightable 3D head avatars.<n>It reduces tracking errors through end-to-end optimization and better captures individual facial deformations.<n>It decomposes head appearance into several physical properties and incorporates physically-based shading to account for environmental lighting.
• Score: 34.274420686240866
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Reconstructing animatable and high-quality 3D head avatars from monocular videos, especially with realistic relighting, is a valuable task. However, the limited information from single-view input, combined with the complex head poses and facial movements, makes this challenging. Previous methods achieve real-time performance by combining 3D Gaussian Splatting with a parametric head model, but the resulting head quality suffers from inaccurate face tracking and limited expressiveness of the deformation model. These methods also fail to produce realistic effects under novel lighting conditions. To address these issues, we propose HRAvatar, a 3DGS-based method that reconstructs high-fidelity, relightable 3D head avatars. HRAvatar reduces tracking errors through end-to-end optimization and better captures individual facial deformations using learnable blendshapes and learnable linear blend skinning. Additionally, it decomposes head appearance into several physical properties and incorporates physically-based shading to account for environmental lighting. Extensive experiments demonstrate that HRAvatar not only reconstructs superior-quality heads but also achieves realistic visual effects under varying lighting conditions.

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