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Vision-Language-Action (VLA) models like OpenVLA demonstrate impressive zero-shot generalization across robotic manipulation tasks but struggle to adapt to specific deployment environments where consistent high performance on a limited set…

Robotics · Computer Science 2026-03-09 Shahram Najam Syed , Yatharth Ahuja , Arthur Jakobsson , Jeff Ichnowski

Predicting the near-term behavior of a reactive agent is crucial in many robotic scenarios, yet remains challenging when observations of that agent are sparse or intermittent. Vision-Language Models (VLMs) offer a promising avenue by…

Despite the recent advancements of vision-language-action (VLA) models on a variety of robotics tasks, they suffer from critical issues such as poor generalizability to unseen tasks, due to their reliance on behavior cloning exclusively…

Robotics · Computer Science 2025-02-05 Zijian Zhang , Kaiyuan Zheng , Zhaorun Chen , Joel Jang , Yi Li , Siwei Han , Chaoqi Wang , Mingyu Ding , Dieter Fox , Huaxiu Yao

Prevailing Vision-Language-Action Models (VLAs) for robotic manipulation are built upon vision-language backbones pretrained on large-scale, but disconnected static web data. As a result, despite improved semantic generalization, the policy…

Robotics · Computer Science 2025-12-22 Jonas Pai , Liam Achenbach , Victoriano Montesinos , Benedek Forrai , Oier Mees , Elvis Nava

The pursuit of out-of-distribution generalization in Vision-Language-Action (VLA) models is often hindered by catastrophic forgetting of the Vision-Language Model (VLM) backbone during fine-tuning. While co-training with external reasoning…

This paper addresses task planning problems for language-instructed robot teams. Tasks are expressed in natural language (NL), requiring the robots to apply their capabilities at various locations and semantic objects. Several recent works…

Robotics · Computer Science 2024-11-22 Jun Wang , Guocheng He , Yiannis Kantaros

While leveraging abundant human videos and simulated robot data poses a scalable solution to the scarcity of real-world robot data, the generalization capability of existing vision-language-action models (VLAs) remains limited by mismatches…

Building on the advancements of Large Language Models (LLMs) and Vision Language Models (VLMs), recent research has introduced Vision-Language-Action (VLA) models as an integrated solution for robotic manipulation tasks. These models take…

Robotics · Computer Science 2024-10-08 Zhijie Wang , Zhehua Zhou , Jiayang Song , Yuheng Huang , Zhan Shu , Lei Ma

Vision-Language-Action (VLA) models promise generalist robot manipulation, but are typically trained and deployed as short-horizon policies that assume the latest observation is sufficient for action reasoning. This assumption breaks in…

While vision-language-action models (VLAs) have shown promising robotic behaviors across a diverse set of manipulation tasks, they achieve limited success rates when deployed on novel tasks out of the box. To allow these policies to safely…

Vision-Language-Action (VLA) models aim for general robot learning by aligning action as a modality within powerful Vision-Language Models (VLMs). Existing VLAs rely on end-to-end supervision to implicitly enable the action decoding process…

A long-standing goal in robotics is a generalist policy that can be deployed zero-shot on new robot embodiments without per-embodiment adaptation. Despite large-scale multi-embodiment pre-training, existing Vision-Language-Action models…

Vision-Language-Action (VLA) models have emerged as a generalist robotic agent. However, existing VLAs are hindered by excessive parameter scales, prohibitive pre-training requirements, and limited applicability to diverse embodiments. To…

Vision-Language-Action (VLA) models have shown strong potential for general-purpose robotic manipulation, but their reliance on expert demonstrations limits their ability to learn from failures and perform self-corrections. Reinforcement…

Robotics · Computer Science 2025-11-13 Fangqi Zhu , Zhengyang Yan , Zicong Hong , Quanxin Shou , Xiao Ma , Song Guo

The development of Vision-Language-Action (VLA) models has been significantly accelerated by pre-trained Vision-Language Models (VLMs). However, most existing end-to-end VLAs treat the VLM primarily as a multimodal encoder, directly mapping…

Robotics · Computer Science 2026-04-29 Yi Chen , Yuying Ge , Hui Zhou , Mingyu Ding , Yixiao Ge , Xihui Liu

Vision-Language-Action (VLA) models have emerged as a powerful paradigm for embodied intelligence, enabling robots to perform tasks based on natural language instructions and current visual input. However, existing VLA models struggle with…

Most existing vision-language-action (VLA) models for robotic manipulation lack progress awareness, typically relying on hand-crafted heuristics for task termination. This limitation is particularly severe in long-horizon tasks involving…

Robotics · Computer Science 2026-03-31 Hongyu Yan , Qiwei Li , Jiaolong Yang , Yadong Mu

Vision-Language-Action (VLA) models commonly adapt pretrained Vision-Language Models (VLMs) to robot control by mapping visual observations and language instructions to continuous actions. Existing approaches typically take an…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xuan Wang , Yinan Wu , Haoran Duan , Jungong Han

Vision-Language-Action (VLA) models have emerged as a promising paradigm for building embodied agents that ground perception and language into action. However, most existing approaches rely on direct action prediction, lacking the ability…

Robotics · Computer Science 2026-04-21 Runze Li , Hongyin Zhang , Junxi Jin , Qixin Zeng , Zifeng Zhuang , Yiqi Tang , Shangke Lyu , Donglin Wang

Vision-Language-Action (VLA) models have demonstrated strong multi-modal reasoning capabilities, enabling direct action generation from visual perception and language instructions in an end-to-end manner. However, their substantial…

Robotics · Computer Science 2025-10-22 Siyu Xu , Yunke Wang , Chenghao Xia , Dihao Zhu , Tao Huang , Chang Xu