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We present a unified framework for multi-task locomotion and manipulation policy learning grounded in a contact-explicit representation. Instead of designing different policies for different tasks, our approach unifies the definition of a…

Robotics · Computer Science 2026-05-05 Shafeef Omar , Majid Khadiv

Recent advances in vision-language-action (VLA) models have shown promise in integrating image generation with action prediction to improve generalization and reasoning in robot manipulation. However, existing methods are limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Wenyao Zhang , Hongsi Liu , Zekun Qi , Yunnan Wang , Xinqiang Yu , Jiazhao Zhang , Runpei Dong , Jiawei He , Fan Lu , He Wang , Zhizheng Zhang , Li Yi , Wenjun Zeng , Xin Jin

We introduce LOGAN, a deep neural network aimed at learning general-purpose shape transforms from unpaired domains. The network is trained on two sets of shapes, e.g., tables and chairs, while there is neither a pairing between shapes from…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Kangxue Yin , Zhiqin Chen , Hui Huang , Daniel Cohen-Or , Hao Zhang

We introduce FALCON, a unified self-supervised video pretraining approach for UAV action recognition from raw RGB aerial footage, requiring no additional preprocessing at inference. UAV videos exhibit severe spatial imbalance: large,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Ruiqi Xian , Xiyang Wu , Tianrui Guan , Xijun Wang , Boqing Gong , Dinesh Manocha

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

Autonomous drones capable of interpreting and executing high-level language instructions in unstructured environments remain a long-standing goal. Yet existing approaches are constrained by their dependence on hand-crafted skills, extensive…

Robotics · Computer Science 2026-05-19 Qianzhong Chen , Naixiang Gao , Suning Huang , JunEn Low , Timothy Chen , Jiankai Sun , Mac Schwager

Diffusion-based vision-language-action (VLA) models have emerged as strong priors for robotic manipulation, yet adapting them to real-world distributions remains challenging. In particular, on-robot reinforcement learning (RL) is expensive…

Robotics · Computer Science 2026-05-12 Junjie Lu , Xinyao Qin , Yuhua Jiang , Kaixin Wang , Chuheng Zhang , Bin Liang , Jun Yang , Min Xu , Li Zhao

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…

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

Joint RGB-infrared perception is essential for achieving robustness under diverse weather and illumination conditions. Although foundation models excel within single modalities, they suffer from substantial cross-modal degradation, an issue…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Fangyuan Mao , Shuo Wang , Jilin Mei , Shun Lu , Chen Min , Fuyang Liu , Xiaokun Feng , Meiqi Wu , Yu Hu

Unsupervised pre-training has shown great success in skeleton-based action understanding recently. Existing works typically train separate modality-specific models, then integrate the multi-modal information for action understanding by a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Shengkai Sun , Daizong Liu , Jianfeng Dong , Xiaoye Qu , Junyu Gao , Xun Yang , Xun Wang , Meng Wang

Understanding how Vision-Language-Action (VLA) models transform multimodal knowledge into embodied control remains an open challenge. We present VLA-Trace, a progressive diagnostic framework that analyzes VLA models through a unified…

Artificial Intelligence · Computer Science 2026-05-29 Haoyuan Shi , Xiancong Ren , Yingji Zhang , Qinfan Zhang , Jiayu Hu , Haozhe Shan , Han Dong , Jinpeng Lu , Yinda Chen , Yi Zhang , Yong Dai , Xiaozhu Ju

We present a novel unsupervised framework to unlock vast unlabeled human demonstration data from continuous industrial video streams for Vision-Language-Action (VLA) model pre-training. Our method first trains a lightweight motion tokenizer…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jiajie Zhang , Sören Schwertfeger , Alexander Kleiner

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 become a cornerstone in robotic policy learning, leveraging large-scale multimodal data for robust and scalable control. However, existing VLA frameworks primarily address short-horizon tasks, and…

Vision-Language-Action (VLA) models have shown remarkable potential in visuomotor control and instruction comprehension through end-to-end learning processes. However, current VLA models face significant challenges: they are slow during…

Vision-language models are increasingly employed as multimodal conversational agents (MCAs) for diverse conversational tasks. Recently, reinforcement learning (RL) has been widely explored for adapting MCAs to various human-AI interaction…

Computation and Language · Computer Science 2026-04-14 Yongqi Li , Hao Lang , Tieyun Qian , Yongbin Li

Vision-Language-Action (VLA) models typically map visual observations and linguistic instructions directly to control signals. This "black-box" mapping forces a single forward pass to simultaneously handle instruction interpretation,…

Robotics · Computer Science 2026-05-12 Zixuan Wang , Yuxin Chen , Yuqi Liu , Jinhui Ye , Pengguang Chen , Changsheng Lu , Shu Liu , Bei Yu , Jiaya Jia

Recently in robotics, Vision-Language-Action (VLA) models have emerged as a transformative approach, enabling robots to execute complex tasks by integrating visual and linguistic inputs within an end-to-end learning framework. Despite their…

Current research on Vision-Language-Action (VLA) models predominantly focuses on enhancing generalization through established reasoning techniques. While effective, these improvements invariably increase computational complexity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Riccardo Andrea Izzo , Gianluca Bardaro , Matteo Matteucci