中国科学技术大学出品！AI人像视频编辑工具PortraitGen：风格化、换衣、修改光照通通搞定
最近，中国科学技术大学的研究团队推出了一款名为 PortraitGen 的创新视频编辑工具，只要输入视频，就可以实现文字修改人物效果、参考图片修改人物效果，换衣，修改光照效果等多模态的人像编辑。更令人兴奋的是，这一切只需短短30分钟，编辑后的人像视频能够以每秒100帧的速度流畅播放!这项技术的核心在于追踪 SMPL-X 系数，研究团队首先对单目视频进行追踪，然后通过一种被称为神经高斯纹理的机制，构建出一个3D 高斯特征场。通过迭代更新数据集，用户可以实现多样化的人像编辑
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