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English(EN) Distributional Reward Calibration and Budget-Neutral Credit Assignment for Multimodal RLVR

新的TACE方法增强了多模态RL信用分配

研究人员引入了TACE(Two-stage Advantage and Credit Estimation,两阶段优势和信用估计),一种用于多模态强化学习的Group Relative Policy Optimization (GRPO) 的改进优势估计新方法。TACE解决了两个关键阶段:使用最优传输进行样本级基线化,以标准化奖励分布和封顶异常值;以及在分配总信用时保持不变的令牌级信用分配。该方法旨在为不同任务和令牌提供更稳定可靠的信用分配,从而在多模态推理基准上取得更强的性能。 AI

影响 增强了多模态RL中的信用分配,可能提高复杂推理任务的性能。

排序理由 该集群包含一篇详细介绍强化学习新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

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新的TACE方法增强了多模态RL信用分配

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该集群包含一篇详细介绍强化学习新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.AI TIER_1 English(EN) · Lang Chen, Zongxin Xu, Borui Wang, Anran Liu, Shitong Chen ·

    多模态 RLVR 的分布奖励校准和预算中性信用分配

    arXiv:2610.40250v1 Announce Type: new Abstract: We revisit advantage estimation in Group Relative Policy Optimization (GRPO) and observe that any token-level advantage admits a two-stage factorization: a \emph{sample-level baselining} step that converts scalar verifier rewards in…