Neighbor GRPO: Contrastive ODE Policy Optimization Aligns Flow Models. - Dailan He; Guanlin Feng; Xingtong Ge; Yazhe Niu; Yi Zhang 108; Bingqi Ma; Guanglu Song; Yu Liu 015; Hongsheng Li 001 (CoRR, 2025)

AR-CoPO: Align Autoregressive Video Generation with Contrastive Policy Optimization. - Dailan He; Guanlin Feng; Xingtong Ge; Yi Zhang 108; Bingqi Ma; Guanglu Song; Yu Liu 015; Hongsheng Li 001 (CoRR, 2026)