action-conditioned verification 1long-horizon planning 1mobile manipulation 1robotic perception 1world model 1
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cs.CV2026
FreeSpec: Training-Free Long Video Generation via Singular-Spectrum Reconstruction
Fangda Chen, Shanshan Zhao, Longrong Yang +3
Video diffusion models perform well in short-video synthesis, but their training-free extension to long videos often suffers from content drift, temporal inconsistency, and over-sm…
cs.CV2025
JointTuner: Appearance-Motion Adaptive Joint Training for Customized Video Generation
Fangda Chen, Shanshan Zhao, Chuanfu Xu +1
Recent advancements in customized video generation have led to significant improvements in the simultaneous adaptation of appearance and motion. Typically, decoupling the appearanc…
cs.CV2024
Few-shot Calligraphy Style Learning
Fangda Chen, Jiacheng Nie, Lichuan Jiang +1
We introduced "Presidifussion," a novel approach to learning and replicating the unique style of calligraphy of President Xu, using a pretrained diffusion model adapted through a t…