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Robotic Vision-Language-Action (VLA) models generalize well for open-ended manipulation, but their perception is fragile under sensing-stage degradations such as extreme low light, motion blur, and black clipping. We present E-VLA, an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jiajun Zhai , Hao Shi , Shangwei Guo , Kailun Yang , Kaiwei Wang

Vision-Language-Action (VLA) models have emerged as a powerful paradigm for open-world robot manipulation, but their practical deployment is often constrained by cost: billion-scale VLM backbones and iterative diffusion/flow-based action…

We introduce Green-VLA, a staged Vision-Language-Action (VLA) framework for real-world deployment on the Green humanoid robot while maintaining generalization across diverse embodiments. Green-VLA follows a five stage curriculum: (L0)…

Vision-language action (VLA) policies often report strong manipulation benchmark performance with relatively few demonstrations, but it remains unclear whether this reflects robust language-to-object grounding or reliance on…

Robotics · Computer Science 2026-03-02 David Emukpere , Romain Deffayet , Jean-Michel Renders

Vision-Language-Action (VLA) models have recently enabled embodied agents to perform increasingly complex tasks by jointly reasoning over visual, linguistic, and motor modalities. However, we find that the prevailing notion of…

Machine Learning · Computer Science 2026-03-20 Zhuofan Li , Hongkun Yang , Zhenyang Chen , Yangxuan Chen , Yingyan , Lin , Chaojian Li

Embodied visual tracking is crucial for Unmanned Aerial Vehicles (UAVs) executing complex real-world tasks. In dynamic urban scenarios with complex semantic requirements, Vision-Language-Action (VLA) models show great promise due to their…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Qiyao Zhang , Shuhua Zheng , Jianli Sun , Chengxiang Li , Xianke Wu , Zihan Song , Zhiyong Cui , Yisheng Lv , Yonglin Tian

Vision-Language-Action (VLA) models have emerged as a powerful paradigm for robotic manipulation. However, existing post-training methods face a dilemma between stability and exploration: Supervised Fine-Tuning (SFT) is constrained by…

Robotics · Computer Science 2026-03-17 Jiashun Li , Xiaoyu Shi , Hong Xie , Mingsheng Shang , Yun Lu

Embodied AI is widely recognized as a cornerstone of artificial general intelligence (AGI) because it involves controlling embodied agents to perform tasks in the physical world. Building on the success of large language models (LLMs) and…

Robotics · Computer Science 2026-05-04 Yueen Ma , Zixing Song , Yuzheng Zhuang , Jianye Hao , Irwin King

Vision-Language-Action (VLA) models have recently shown impressive generalization and language-guided manipulation capabilities. However, their performance degrades on tasks requiring precise spatial reasoning due to limited spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Tianyuan Yuan , Yicheng Liu , Chenhao Lu , Zhuoguang Chen , Tao Jiang , Hang Zhao

Vision-Language-Action (VLA) models leverage pretrained vision-language models (VLMs) to couple perception with robotic control, offering a promising path toward general-purpose embodied intelligence. However, current SOTA VLAs are…

Robotics · Computer Science 2025-10-10 Yandu Chen , Kefan Gu , Yuqing Wen , Yucheng Zhao , Tiancai Wang , Liqiang Nie

Vision-Language-Action (VLA) models enable robots to understand and perform complex tasks from multimodal input. Although recent work explores using reinforcement learning (RL) to automate the laborious data collection process in scaling…

Machine Learning · Computer Science 2026-01-30 Kang Chen , Zhihao Liu , Tonghe Zhang , Zhen Guo , Si Xu , Hao Lin , Hongzhi Zang , Xiang Li , Quanlu Zhang , Zhaofei Yu , Guoliang Fan , Tiejun Huang , Yu Wang , Chao Yu

Vision-language-action models (VLAs) show potential as generalist robot policies. However, these models pose extreme safety challenges during real-world deployment, including the risk of harm to the environment, the robot itself, and…

Robotics · Computer Science 2026-04-21 Borong Zhang , Yuhao Zhang , Jiaming Ji , Yingshan Lei , Yishuai Cai , Josef Dai , Yuanpei Chen , Yaodong Yang

Vision-Language-Action (VLA) models are formulated to ground instructions in visual context and generate action sequences for robotic manipulation. Despite recent progress, VLA models still face challenges in learning related and reusable…

Robotics · Computer Science 2026-03-11 Ziyue Zhu , Shangyang Wu , Shuai Zhao , Zhiqiu Zhao , Shengjie Li , Yi Wang , Fang Li , Haoran Luo

In Vision-Language-Action (VLA) models, action chunking (i.e., executing a sequence of actions without intermediate replanning) is a key technique to improve robotic manipulation abilities. However, a large chunk size reduces the model's…

Robotic systems are increasingly expected to operate in human-centered, unstructured environments where safety, adaptability, and generalization are essential. Vision-Language-Action (VLA) models have been proposed as a language guided…

Robotics · Computer Science 2025-10-21 Haochen Su , Cristian Meo , Francesco Stella , Andrea Peirone , Kai Junge , Josie Hughes

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is expensive, we investigate whether a…

Robotics · Computer Science 2026-02-17 Yanjiang Guo , Tony Lee , Lucy Xiaoyang Shi , Jianyu Chen , Percy Liang , Chelsea Finn

The reliance on language in Vision-Language-Action (VLA) models introduces ambiguity, cognitive overhead, and difficulties in precise object identification and sequential task execution, particularly in environments with multiple visually…

Robotics · Computer Science 2026-03-02 Donggeon Kim , Seungwon Jan , Hyeonjun Park , Daegyu Lim

Large Vision-Language Action (VLA) models have shown significant potential for embodied AI. However, their predominant training via supervised fine-tuning (SFT) limits generalization due to susceptibility to compounding errors under…

Machine Learning · Computer Science 2026-01-15 Jijia Liu , Feng Gao , Bingwen Wei , Xinlei Chen , Qingmin Liao , Yi Wu , Chao Yu , Yu Wang

Current vision-language-action (VLA) models, pre-trained on large-scale robotic data, exhibit strong multi-task capabilities and generalize well to variations in visual and language instructions for manipulation. However, their success rate…

Robotics · Computer Science 2025-10-17 Han Zhao , Jiaxuan Zhang , Wenxuan Song , Pengxiang Ding , Donglin Wang

Vision language action (VLA) models enable generalist robotic agents but often exhibit language ignorance, relying on visual shortcuts and remaining insensitive to instruction changes. We present Prospective Grounding and Alignment VLA…

Robotics · Computer Science 2026-04-14 Nastaran Darabi , Amit Ranjan Trivedi