中國科學技術大學出品！AI人像視頻編輯工具PortraitGen：風格化、換衣、修改光照通通搞定
最近，中國科學技術大學的研究團隊推出了一款名爲 PortraitGen 的創新視頻編輯工具，只要輸入視頻，就可以實現文字修改人物效果、參考圖片修改人物效果，換衣，修改光照效果等多模態的人像編輯。更令人興奮的是，這一切只需短短30分鐘，編輯後的人像視頻能夠以每秒100幀的速度流暢播放!這項技術的核心在於追蹤 SMPL-X 係數，研究團隊首先對單目視頻進行追蹤，然後通過一種被稱爲神經高斯紋理的機制，構建出一個3D 高斯特徵場。通過迭代更新數據集，用戶可以實現多樣化的人像編輯
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