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The rapid progress of large language models (LLMs) has laid the foundation for multimodal models. However, visual language models (VLMs) still face heavy computational costs when extended from images to videos due to high frame rates and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Peiran Wu , Zhuorui Yu , Yunze Liu , Chi-Hao Wu , Enmin Zhou , Junxiao Shen

Vision-Language Navigation (VLN) enables robots to follow natural-language instructions in visually grounded environments, serving as a key capability for embodied robotic systems. Recent Vision-Language-Action (VLA) models have…

Robotics · Computer Science 2026-03-09 Qitong Wang , Yijun Liang , Ming Li , Tianyi Zhou , Christopher Rasmussen

Current Vision-Language-Action (VLA) models rely primarily on RGB perception, preventing them from capturing modalities such as thermal signals that are imperceptible to conventional visual sensors. Moreover, end-to-end generative policies…

Robotics · Computer Science 2026-03-09 Dian Yu , Qingchuan Zhou , Bingkun Huang , Majid Khadiv , Zewen 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

Vision-Language-Action (VLA) models have shown remarkable achievements, driven by the rich implicit knowledge of their vision-language components. However, achieving generalist robotic agents demands precise grounding into physical…

Robotics · Computer Science 2025-07-15 Jialei Huang , Shuo Wang , Fanqi Lin , Yihang Hu , Chuan Wen , Yang Gao

In robotics, Vision-Language-Action (VLA) models that integrate diverse multimodal signals from multi-view inputs have emerged as an effective approach. However, most prior work adopts static fusion that processes all visual inputs…

Robotics · Computer Science 2026-02-18 Young-Chae Son , Jung-Woo Lee , Yoon-Ji Choi , Dae-Kwan Ko , Soo-Chul Lim

Vision-Language-Action (VLA) models exhibit strong generalization in robotic manipulation, yet reinforcement learning (RL) fine-tuning often degrades robustness under spatial distribution shifts. For flow-matching VLA policies, this…

Robotics · Computer Science 2026-02-03 Xu Pan , Zhenglin Wan , Xingrui Yu , Xianwei Zheng , Youkai Ke , Ming Sun , Rui Wang , Ziwei Wang , Ivor Tsang

Leveraging temporal context is crucial for success in partially observable robotic tasks. However, prior work in behavior cloning has demonstrated inconsistent performance gains when using multi-frame observations. In this paper, we…

Robotics · Computer Science 2025-10-07 Huiwon Jang , Sihyun Yu , Heeseung Kwon , Hojin Jeon , Younggyo Seo , Jinwoo Shin

Recent Vision-Language-Action (VLA) models reformulate vision-language models by tuning them with millions of robotic demonstrations. While they perform well when fine-tuned for a single embodiment or task family, extending them to…

Robotics · Computer Science 2026-03-12 Yuxia Fu , Zhizhen Zhang , Yuqi Zhang , Zijian Wang , Zi Huang , Yadan Luo

Vision-Language-Action (VLA) models are increasingly evaluated across multiple simulation benchmarks, yet adding each benchmark to an evaluation pipeline requires resolving incompatible dependencies, matching underspecified evaluation…

Artificial Intelligence · Computer Science 2026-04-20 Suhwan Choi , Yunsung Lee , Yubeen Park , Chris Dongjoo Kim , Ranjay Krishna , Dieter Fox , Youngjae Yu

Vision-language-action (VLA) models can learn to perform diverse manipulation skills "out of the box," but achieving the precision and speed that real-world tasks demand requires further fine-tuning -- for example, via reinforcement…

Machine Learning · Computer Science 2026-05-04 Charles Xu , Jost Tobias Springenberg , Michael Equi , Ali Amin , Adnan Esmail , Sergey Levine , Liyiming Ke

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

Recent Vision-Language-Action (VLA) models show strong generalization capabilities, yet they lack introspective mechanisms for anticipating failures and requesting help from a human supervisor. We present \textbf{INSIGHT}, a learning…

Robotics · Computer Science 2026-05-26 Ulas Berk Karli , Ziyao Shangguan , Tesca FItzgerald

Vision-Language-Action (VLA) models, trained via flow-matching or diffusion objectives, excel at learning complex behaviors from large-scale, multi-modal datasets (e.g., human teleoperation, scripted policies). However, since VLAs…

Robotics · Computer Science 2025-12-03 Siyuan Yang , Yang Zhang , Haoran He , Ling Pan , Xiu Li , Chenjia Bai , Xuelong Li

Vision-language-action models (VLAs) have shown generalization capabilities in robotic manipulation tasks by inheriting from vision-language models (VLMs) and learning action generation. Most VLA models focus on interpreting vision and…

Recent high-capacity vision-language-action (VLA) models have demonstrated impressive performance on a range of robotic manipulation tasks by imitating human demonstrations. However, exploiting offline data with limited visited states will…

Robotics · Computer Science 2025-05-27 Guanxing Lu , Wenkai Guo , Chubin Zhang , Yuheng Zhou , Haonan Jiang , Zifeng Gao , Yansong Tang , Ziwei Wang

Vision-Language-Action (VLA) models have significantly advanced the capabilities of robotic agents in executing diverse tasks; however, they still face challenges in contact-rich manipulation scenarios that require precise physical…

Robotics · Computer Science 2026-05-19 Xiaoqi Li , Muhe Cai , Jiadong Xu , Juan Zhu , Hongwei Fan , Yan Shen , Guangrui Ren , Hao Dong

Vision-language models (VLMs) pretrained on large-scale multimodal datasets encode rich visual and linguistic knowledge, making them a strong foundation for robotics. Rather than training robotic policies from scratch, recent approaches…

Large vision-language models (LVLMs) have demonstrated remarkable capabilities in multimodal understanding tasks. However, the increasing demand for high-resolution image and long-video understanding results in substantial token counts,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Junjie Chen , Xuyang Liu , Zichen Wen , Yiyu Wang , Siteng Huang , Honggang Chen

Current Vision-Language-Action (VLA) models typically treat the deepest representation of a vision-language backbone as universally optimal for action prediction. However, robotic manipulation is composed of many frequent closed-loop…

Artificial Intelligence · Computer Science 2026-05-12 Boyang Shen , Kaixiang Yang , Hao Wang , Qiuyu Yu , Qiang Xie , Qiang Li , Zhiwei Wang