字節推出單圖視頻驅動模型 X-Portrait 2 超低成本高效的肖像動畫技術
近日，字節跳動推出一款最新肖像動畫技術X-Portrait2，旨在以超低成本和高效的方式創造富有表現力和逼真的角色動畫。用戶只需提供靜態肖像圖像和表現驅動視頻，X-Portrait2即可通過將視頻中的表情轉移至肖像中生成動畫視頻，從而簡化了傳統動作捕捉和角色動畫的複雜流程。該技術的核心在於其先進的表情編碼器模型，該模型經過大規模數據集的訓練，能夠隱式編碼輸入中的微小表情。結合強大的生成擴散模型，X-Portrait2可以生成流暢且極具表現力的視頻，傳輸演員細微的面部表情，甚
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