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Vision-language models (VLMs) often inherit the biases and unsafe associations present within their large-scale training dataset. While recent approaches mitigate unsafe behaviors, their evaluation focuses on how safe the model is on unsafe…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Moreno D'Incà , Elia Peruzzo , Xingqian Xu , Humphrey Shi , Nicu Sebe , Massimiliano Mancini

While Vision-Language-Action (VLA) models show strong promise for generalist robot control, it remains unclear whether -- and under what conditions -- the standard "scale data" recipe translates to robotics, where training data is…

Vision-Language-Action (VLA) models have gained much attention from the research community thanks to their strength in translating multimodal observations with linguistic instructions into desired robotic actions. Despite their…

Vision-Language-Action (VLA) models enable embodied decision-making but rely heavily on imitation learning, leading to compounding errors and poor robustness under distribution shift. Reinforcement learning (RL) can mitigate these issues…

Vision-Language-Action (VLA) models have emerged as a promising framework that unifies perception, reasoning, and control for robot manipulation by adapting pretrained vision-language models (VLMs) to action prediction. However, VLM-derived…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Kyujin Lee , Injae Kim , Jihwan Park , Yejun Ju , Minseok Joo , Hyunwoo J. Kim

Vision-Language-Action (VLA) models have gained much attention from the research community thanks to their strength in translating multimodal observations with linguistic instructions into robotic actions. Despite their recent advancements,…

Robotics · Computer Science 2025-05-27 Tuan Van Vo , Tan Quang Nguyen , Khang Minh Nguyen , Duy Ho Minh Nguyen , Minh Nhat Vu

Confidence estimation for Vision-Language-Action (VLA) models is essential for robots to perform manipulation tasks in the open world, providing crucial signals for risk-sensitive decision-making and failure anticipation. Existing…

Robotics · Computer Science 2026-05-29 Dehao Huang , Aoxiang Gu , Chengjie Zhang , Bolin Zou , Wenlong Dong , Zilang Cen , Yue Wang , Hong Zhang

Vision-Language-Action (VLA) models have emerged as a popular paradigm for learning robot manipulation policies that can follow language instructions and generalize to novel scenarios. Recent works have begun to explore the incorporation of…

Recent studies have successfully integrated large vision-language models (VLMs) into low-level robotic control by supervised fine-tuning (SFT) with expert robotic datasets, resulting in what we term vision-language-action (VLA) models.…

Robotics · Computer Science 2025-01-29 Yanjiang Guo , Jianke Zhang , Xiaoyu Chen , Xiang Ji , Yen-Jen Wang , Yucheng Hu , Jianyu Chen

LLM have achieved success in many fields but still troubled by problematic content in the training corpora. LLM unlearning aims at reducing their influence and avoid undesirable behaviours. However, existing unlearning methods remain…

Computation and Language · Computer Science 2024-08-21 Hongbang Yuan , Zhuoran Jin , Pengfei Cao , Yubo Chen , Kang Liu , Jun Zhao

Recent advances in vision-language-action (VLA) models have motivated the extension of their capabilities to embodied settings, where reinforcement learning (RL) offers a principled way to optimize task success through interaction. However,…

Vision-Language Navigation (VLN) for Unmanned Aerial Vehicles (UAVs) demands complex visual interpretation and continuous control in dynamic 3D environments. Existing hierarchical approaches rely on dense oracle guidance or auxiliary object…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Peng Xu , Zhengnan Deng , Jiayan Deng , Zonghua Gu , Shaohua Wan

Object Referring Analysis (ORA), commonly known as referring expression comprehension, requires the identification and localization of specific objects in an image based on natural descriptions. Unlike generic object detection, ORA requires…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Zhe Chen , Zijing Chen

Pre-trained Vision-Language-Action (VLA) models have achieved remarkable success in improving robustness and generalization for end-to-end robotic manipulation. However, these models struggle with long-horizon tasks due to their lack of…

Robotics · Computer Science 2025-11-13 Runhao Li , Wenkai Guo , Zhenyu Wu , Changyuan Wang , Haoyuan Deng , Zhenyu Weng , Yap-Peng Tan , Ziwei Wang

Vision language models (VLMs) extend the reasoning capabilities of large language models (LLMs) to cross-modal settings, yet remain highly vulnerable to multimodal jailbreak attacks. Existing defenses predominantly rely on safety…

Artificial Intelligence · Computer Science 2026-04-14 Mengxuan Wang , Yuxin Chen , Gang Xu , Tao He , Hongjie Jiang , Ming Li

Vision-language navigation (VLN) requires intelligent agents to navigate environments by interpreting linguistic instructions alongside visual observations, serving as a cornerstone task in Embodied AI. Current VLN research for unmanned…

Vision-Language Models (VLMs) demonstrate strong general-purpose reasoning but remain limited in physics-grounded anomaly detection, where causal understanding of dynamics is essential. Existing VLMs, trained predominantly on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yao Gu , Xiaohao Xu , Yingna Wu

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 hold promise as generalist robotics solutions by translating visual and linguistic inputs into robot actions, yet they lack reliability due to their black-box nature and sensitivity to environmental…

Robotics · Computer Science 2025-02-10 Hong Lu , Hengxu Li , Prithviraj Singh Shahani , Stephanie Herbers , Matthias Scheutz

Recent advances in Vision-Language-Action (VLA) models have enabled robotic agents to integrate multimodal understanding with action execution. However, our empirical analysis reveals that current VLAs struggle to allocate visual attention…