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cs.CV2025
Hallo4: High-Fidelity Dynamic Portrait Animation via Direct Preference Optimization
Jiahao Cui, Yan Chen, Mingwang Xu +7
Generating highly dynamic and photorealistic portrait animations driven by audio and skeletal motion remains challenging due to the need for precise lip synchronization, natural fa…
cs.CV2025
OpenHumanVid: A Large-Scale High-Quality Dataset for Enhancing Human-Centric Video Generation
Hui Li, Mingwang Xu, Yun Zhan +8
Recent advancements in visual generation technologies have markedly increased the scale and availability of video datasets, which are crucial for training effective video generatio…
cs.CV2024
Hallo: Hierarchical Audio-Driven Visual Synthesis for Portrait Image Animation
Mingwang Xu, Hui Li, Qingkun Su +6
The field of portrait image animation, driven by speech audio input, has experienced significant advancements in the generation of realistic and dynamic portraits. This research de…