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Vision-language-action models (VLAs) have garnered significant attention for their potential in advancing robotic manipulation. However, previous approaches predominantly rely on the general comprehension capabilities of vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yuqi Wang , Xinghang Li , Wenxuan Wang , Junbo Zhang , Yingyan Li , Yuntao Chen , Xinlong Wang , Zhaoxiang Zhang

Vision-Language-Action (VLA) models demonstrate remarkable potential for generalizable robotic manipulation. The execution of complex multi-step behaviors in VLA models can be improved by robust instruction grounding, a critical component…

Latent actions learned from diverse human videos serve as pseudo-labels for vision-language-action (VLA) pretraining, but provide effective supervision only if they remain informative about the underlying ground-truth actions. For effective…

Robotics · Computer Science 2026-05-28 Jung Min Lee , Dohyeok Lee , Seokhun Ju , Taehyun Cho , Jin Woo Koo , Li Zhao , Sangwoo Hong , Jungwoo Lee

Generalist Vision-Language-Action models are currently hindered by the scarcity of robotic data compared to the abundance of human video demonstrations. Existing Latent Action Models attempt to leverage video data but often suffer from…

Robotics · Computer Science 2026-01-08 Chubin Zhang , Jianan Wang , Zifeng Gao , Yue Su , Tianru Dai , Cai Zhou , Jiwen Lu , Yansong Tang

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

Video-Action Models (VAMs) have emerged as a promising framework for embodied intelligence, learning implicit world dynamics from raw video streams to produce temporally consistent action predictions. Although such models demonstrate strong…

Vision-Language-Action (VLA) models have shown remarkable progress in embodied tasks recently, but most methods process visual observations independently at each timestep. This history-agnostic design treats robot manipulation as a Markov…

Machine Learning · Computer Science 2026-04-13 Lei Xiao , Jifeng Li , Juntao Gao , Feiyang Ye , Yan Jin , Jingjing Qian , Jing Zhang , Yong Wu , Xiaoyuan Yu

Visual Language Models (VLMs) have emerged as pivotal tools for robotic systems, enabling cross-task generalization, dynamic environmental interaction, and long-horizon planning through multimodal perception and semantic reasoning. However,…

Robotics · Computer Science 2025-04-04 Zhiyuan Zhang , Yuxin He , Yong Sun , Junyu Shi , Lijiang Liu , Qiang Nie

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

Amid growing efforts to leverage advances in large language models (LLMs) and vision-language models (VLMs) for robotics, Vision-Language-Action (VLA) models have recently gained significant attention. By unifying vision, language, and…

Robotics · Computer Science 2025-10-09 Kento Kawaharazuka , Jihoon Oh , Jun Yamada , Ingmar Posner , Yuke Zhu

Learning latent actions from action-free video has emerged as a powerful paradigm for scaling up controllable world model learning. Latent actions provide a natural interface for users to iteratively generate and manipulate videos. However,…

Machine Learning · Computer Science 2026-05-26 Zizhao Wang , Chang Shi , Jiaheng Hu , Kevin Rohling , Roberto Martín-Martín , Amy Zhang , Peter Stone

Latent action models (LAMs) aim to learn action-relevant changes from unlabeled videos by compressing changes between frames as latents. However, differences between video frames can be caused by controllable changes as well as exogenous…

Machine Learning · Computer Science 2025-11-13 Chuheng Zhang , Tim Pearce , Pushi Zhang , Kaixin Wang , Xiaoyu Chen , Wei Shen , Li Zhao , Jiang Bian

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

Latent actions serve as an intermediate representation that enables consistent modeling of vision-language-action (VLA) models across heterogeneous datasets. However, approaches to supervising VLAs with latent actions are fragmented and…

Robotics · Computer Science 2026-05-07 Yihan Lin , Haoyang Li , Yang Li , Haitao Shen , Yihan Zhao , Chao Shao , Jing Zhang

Learning robot policies using imitation learning requires collecting large amounts of costly action-labeled expert demonstrations, which fundamentally limits the scale of training data. A promising approach to address this bottleneck is to…

Robotics · Computer Science 2025-05-12 Anthony Liang , Pavel Czempin , Matthew Hong , Yutai Zhou , Erdem Biyik , Stephen Tu

While the shortage of explicit action data limits Vision-Language-Action (VLA) models, human action videos offer a scalable yet unlabeled data source. A critical challenge in utilizing large-scale human video datasets lies in transforming…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Dujun Nie , Fengjiao Chen , Qi Lv , Jun Kuang , Xiaoyu Li , Xuezhi Cao , Xunliang Cai

Vision-Language-Action (VLA) models have demonstrated strong performance in robotic manipulation, yet their closed-loop deployment is hindered by the high latency and compute cost of repeatedly running large vision-language backbones at…

Robotics · Computer Science 2026-01-28 Wenda Yu , Tianshi Wang , Fengling Li , Jingjing Li , Lei Zhu

Vision-based robotic policies often struggle with even minor viewpoint changes, underscoring the need for view-invariant visual representations. This challenge becomes more pronounced in real-world settings, where viewpoint variability is…

Robotics · Computer Science 2026-01-07 Youngjoon Jeong , Junha Chun , Taesup Kim

Vision-Language-Action (VLA) models have advanced rapidly with stronger backbones, broader pre-training, and larger demonstration datasets, yet their action heads remain largely homogeneous: most directly predict action commands in a fixed…

Artificial Intelligence · Computer Science 2026-05-13 Huoren Yang , Jianchao Zhao , Hu Yusong , Qiguan Ou , Yuyang Gao , Wei Ke , Yuhang He , SongLin Dong , Zhiheng Ma , Yihong Gong

The emergence of Vision Language Action (VLA) models marks a paradigm shift from traditional policy-based control to generalized robotics, reframing Vision Language Models (VLMs) from passive sequence generators into active agents for…

Robotics · Computer Science 2025-11-11 Dapeng Zhang , Jing Sun , Chenghui Hu , Xiaoyan Wu , Zhenlong Yuan , Rui Zhou , Fei Shen , Qingguo Zhou