Author

Bohai Gu

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Preprint Aug 2026

WorldCycle: Self-Verifiable Reinforcement Learning for Long-Horizon Video World Models

WorldCycle is introduced, a self-verifiable RL framework that constructs closed action cycles and their repeated executions from ordinary action sequences, and optimizes two complementary rewards: a spatial closure reward enforcing symmetry between mirrored forward and reverse segments, and a temporal consistency reward aligning states across repeated cycle executions.

Bohai Gu, Yueyang Yuan, Taiyi Wu et al. · 2 citations

Preprint Aug 2026

Temporally Grounded Compositional Camera Motion Understanding via Geometric Knowledge Distillation

This work introduces CamChoreo, a benchmark of 4,229 real single-shot clips with expert-annotated temporal segments, and proposes CamDistill, which distills the same geometric knowledge into lightweight camera tokens during training and removes the 3D model at inference.

Dazhao Du, Shiyan Du, Jian Liu et al. · 0 citations

Preprint Aug 2026

OPTD: On-Policy Transition Distillation with Consistency-Guided Adaptive Compression for Few-Step Diffusion Language Models

This work proposes OPTD, On-Policy Transition Distillation with consistency-guided adaptive compression, which consistently improves the quality--efficiency trade-off and attains the strongest overall quality-constrained AUP among the evaluated few-step baselines.

Xiaocheng Lu, Hualei Zhang, Shuhan Guo et al. · 0 citations