UNIC: Neural Garment Deformation Field for Real-time Clothed Character Animation

• URL: http://arxiv.org/abs/2603.25580v1
• Date: Thu, 26 Mar 2026 15:57:05 GMT
• Title: UNIC: Neural Garment Deformation Field for Real-time Clothed Character Animation
• Abstract summary: We introduce a novel neural deformation field-based method, named UNIC, to animate the garments of an avatar in real time.<n>Our key idea is to learn the instance-specific neural deformation field to animate the garment meshes.
• Score: 74.6692006985004
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Simulating physically realistic garment deformations is an essential task for virtual immersive experience, which is often achieved by physics simulation methods. However, these methods are typically time-consuming, computationally demanding, and require costly hardware, which is not suitable for real-time applications. Recent learning-based methods tried to resolve this problem by training graph neural networks to learn the garment deformation on vertices, which, however, fail to capture the intricate deformation of complex garment meshes with complex topologies. In this paper, we introduce a novel neural deformation field-based method, named UNIC, to animate the garments of an avatar in real time, given the motion sequences. Our key idea is to learn the instance-specific neural deformation field to animate the garment meshes. Such an instance-specific learning scheme does not require UNIC to generalize to new garments but only to new motion sequences, which greatly reduces the difficulty in training and improves the deformation quality. Moreover, neural deformation fields map the 3D points to their deformation offsets, which not only avoids handling topologies of the complex garments but also injects a natural smoothness constraint in the deformation learning. Extensive experiments have been conducted on various kinds of garment meshes to demonstrate the effectiveness and efficiency of UNIC over baseline methods, making it potentially practical and useful in real-world interactive applications like video games.

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