字节推出单图视频驱动模型 X-Portrait 2 超低成本高效的肖像动画技术
近日，字节跳动推出一款最新肖像动画技术X-Portrait2，旨在以超低成本和高效的方式创造富有表现力和逼真的角色动画。用户只需提供静态肖像图像和表现驱动视频，X-Portrait2即可通过将视频中的表情转移至肖像中生成动画视频，从而简化了传统动作捕捉和角色动画的复杂流程。该技术的核心在于其先进的表情编码器模型，该模型经过大规模数据集的训练，能够隐式编码输入中的微小表情。结合强大的生成扩散模型，X-Portrait2可以生成流畅且极具表现力的视频，传输演员细微的面部表情，甚
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