3 papers
cs.CV2026
Beyond Lip Sync: Reference-Grounded Oral Refinement for Audio-Driven Portrait Animation
Bangxun Tang
We present RGOR (Reference-Grounded Oral Refinement), an audio-driven lip-sync framework that renders the mouth of the specific person being dubbed rather than a generic one. Exist…
cs.CV2026
PAI-Actor: Cinematic Multi-Character Replacement in Dynamic Scenes
Bangxun Tang, Heyuan Gao, Yiren Song +4
We present PAI-Actor, a cinematic multi-character animation framework for character replacement in dynamic movie scenes. Unlike conventional animation systems that mainly drive a s…
cs.CV2026
PAI-Studio: Cinematic Video Background Replacement with Camera-Aware Motion
Heyuan Gao, Bangxun Tang, Yiren Song +4
We present PAI-Studio, a new reference-conditioned video synthesis task that addresses a long-standing challenge in cinematic background replacement: generating dynamic backgrounds…