EPISODE · May 11, 2026 · 19 MIN
PersonaLive:让数字人直播不掉链子
from 每日AI · host 每日新闻
PersonaLive 是一种专为实时视频流设计的扩散模型框架,旨在解决现有肖像动画技术中存在的高延迟和计算成本过高的问题。研究团队通过引入混合运动控制信号(结合 3D 隐式关键点与面部表示),实现了对头部姿态和细腻表情的精确驱动。该方法核心在于外观蒸馏策略,它通过消除去噪过程中的冗余步骤,将推理速度大幅提升了 7 到 22 倍。此外,该模型采用了微块流式生成范式,并辅以滑动训练策略和历史关键帧机制,有效遏制了长视频生成中的误差累积。实验证明,PersonaLive 在保持高保真度和视频稳定性的同时,达到了业界领先的实时渲染性能。
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PersonaLive:让数字人直播不掉链子
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