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cs.LG2026
Towards On-Policy SFT: Distribution Discriminant Theory and its Applications in LLM Training
Miaosen Zhang, Yishan Liu, Shuxia Lin +8
Supervised fine-tuning (SFT) is computationally efficient but often yields inferior generalization compared to reinforcement learning (RL). This gap is primarily driven by RL's use…
cs.CV2026
GlobalPaint: Spatiotemporal Coherent Video Outpainting with Global Feature Guidance
Yueming Pan, Ruoyu Feng, Jianmin Bao +2
Video outpainting extends a video beyond its original boundaries by synthesizing missing border content. Compared with image outpainting, it requires not only per-frame spatial pla…