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LIBERO-X:用于视觉-语言-动作模型的鲁棒性检测仪

LIBERO-X: Robustness Litmus for Vision-Language-Action Models

Meituan(美团);Beihang University(北京航空航天大学)

Guodong Wang, Chenkai Zhang, Qingjie Liu, Jinjin Zhang, Jiancheng Cai, Junjie Liu, Xinmin Liu

AI总结:

LIBERO-X通过分层评估协议和多样化训练数据集,系统性地提升视觉-语言-动作模型的鲁棒性评估能力。

摘要:

可靠的基准测试对于推动视觉-语言-动作(VLA)模型的发展至关重要,因为它揭示了这些模型的泛化能力、鲁棒性以及感知与语言驱动操作任务的对齐情况。然而,现有的基准测试往往由于评估协议不足而提供有限或误导性的评估,这些协议无法充分捕捉现实世界分布的变化。本工作从评估和数据两个角度系统地重新思考VLA基准测试,引入LIBERO-X,一个具有以下特点的基准测试:1)一种分层评估协议,具有逐步增加难度的级别,针对三个核心能力:空间泛化、物体识别和任务指令理解。这种设计使能够对在环境和任务复杂性增加时性能下降进行细致分析;2)一个高多样性训练数据集,通过人类远程操作收集,其中每个场景支持多种细粒度操作目标,以弥合训练-评估分布差距。对代表性VLA模型的实验揭示了在累积扰动下显著的性能下降,暴露了持续存在的场景理解和指令定位限制。通过将分层评估与多样化训练数据相结合,LIBERO-X为评估和推进VLA发展提供了更可靠的基石。

英文摘要:

Reliable benchmarking is critical for advancing Vision-Language-Action (VLA) models, as it reveals their generalization, robustness, and alignment of perception with language-driven manipulation tasks. However, existing benchmarks often provide limited or misleading assessments due to insufficient evaluation protocols that inadequately capture real-world distribution shifts. This work systematically rethinks VLA benchmarking from both evaluation and data perspectives, introducing LIBERO-X, a benchmark featuring: 1) A hierarchical evaluation protocol with progressive difficulty levels targeting three core capabilities: spatial generalization, object recognition, and task instruction understanding. This design enables fine-grained analysis of performance degradation under increasing environmental and task complexity; 2) A high-diversity training dataset collected via human teleoperation, where each scene supports multiple fine-grained manipulation objectives to bridge the train-evaluation distribution gap. Experiments with representative VLA models reveal significant performance drops under cumulative perturbations, exposing persistent limitations in scene comprehension and instruction grounding. By integrating hierarchical evaluation with diverse training data, LIBERO-X offers a more reliable foundation for assessing and advancing VLA development.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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