Author

Jiazi Bu

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Preprint Sep 2026

CapField-OPD: Learning Continuous Capability Fields via Joint-Anchored Multi-Teacher On-Policy Distillation for Flow Models

CapField-OPD is introduced, an OPD framework that integrates multiple teachers into a continuous capability field through explicit capability coordinates and reliably invokes the desired capabilities under semantics-preserving prompt variations, and supports continuous capability control and coordinate-based test-time...

Peng-Yang Ling, Jia-Zi Bu, Yu-Jie Zhou et al. · 0 citations

Review Sep 2026

WorldReward: Reward Modeling for Camera-Conditioned World Models

This work presents WorldReward, a VLM-based pairwise preference reward model that unifies action-consistency and visual-quality evaluation for camera-conditioned world models, and introduces WorldReward-Bench, a human-annotated benchmark measuring reward-model agreement with human preferences across action consistency,...

Yi-Bin Wang, Ze-Han Wang, Junshu Tang et al. · 0 citations

Preprint Aug 2026

HPSD: Hybrid-Policy Self-Distillation for Text-Image-to-Video Diffusion Models

This work proposes Hybrid-Policy Self-Distillation (HPSD), a novel self-distillation framework where a single TI2V model acts as both teacher and student under different conditions: the teacher operates in TI2V mode with a high-quality first frame and an enhanced prompt, while the student runs in the base T2V mode with...

Jia-Zi Bu, Peng-Yang Ling, Yu-Jie Zhou et al. · 2 citations