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      <title>论文精读：WorldVLA — Towards Autoregressive Action World Model</title>
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      <description>WorldVLA 提出统一的自回归动作世界模型，将VLA与世界模型融合在单一LLM框架中。通过三种模态的离散token共享词汇表实现图像/文本/动作的全统一，并提出动作注意力掩码解决长序列动作块的误差累积问题。在LIBERO基准上动作成功率提升4%、FVD降低10%，证实世界模型与动作模型的双向增强。</description>
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