HunyuanPortrait: Implicit Condition Control for Enhanced Portrait Animation

• URL: http://arxiv.org/abs/2503.18860v2
• Date: Tue, 25 Mar 2025 10:59:23 GMT
• Title: HunyuanPortrait: Implicit Condition Control for Enhanced Portrait Animation
• Authors: Zunnan Xu, Zhentao Yu, Zixiang Zhou, Jun Zhou, Xiaoyu Jin, Fa-Ting Hong, Xiaozhong Ji, Junwei Zhu, Chengfei Cai, Shiyu Tang, Qin Lin, Xiu Li, Qinglin Lu,
• Abstract summary: HunyuanPortrait is a diffusion-based condition control method for portrait animation.<n>It can animate the character in the reference image by the facial expression and head pose of the driving videos.<n>Our framework outperforms existing methods, demonstrating superior temporal consistency and controllability.
• Score: 30.030540407121325
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce HunyuanPortrait, a diffusion-based condition control method that employs implicit representations for highly controllable and lifelike portrait animation. Given a single portrait image as an appearance reference and video clips as driving templates, HunyuanPortrait can animate the character in the reference image by the facial expression and head pose of the driving videos. In our framework, we utilize pre-trained encoders to achieve the decoupling of portrait motion information and identity in videos. To do so, implicit representation is adopted to encode motion information and is employed as control signals in the animation phase. By leveraging the power of stable video diffusion as the main building block, we carefully design adapter layers to inject control signals into the denoising unet through attention mechanisms. These bring spatial richness of details and temporal consistency. HunyuanPortrait also exhibits strong generalization performance, which can effectively disentangle appearance and motion under different image styles. Our framework outperforms existing methods, demonstrating superior temporal consistency and controllability. Our project is available at https://kkakkkka.github.io/HunyuanPortrait.

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