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The generalization of vision-language-action (VLA) models heavily relies on diverse training data. However, acquiring large-scale data for robot manipulation across varied object appearances is costly and labor-intensive. To address this…

Artificial Intelligence · Computer Science 2026-03-17 Zhehao Dong , Xiaofeng Wang , Zheng Zhu , Yirui Wang , Yang Wang , Yukun Zhou , Boyuan Wang , Chaojun Ni , Runqi Ouyang , Wenkang Qin , Xinze Chen , Yun Ye , Guan Huang , Zhen Lu , Yue Yang

We present a low-cost data generation pipeline that integrates physics-based simulation, human demonstrations, and model-based planning to efficiently generate large-scale, high-quality datasets for contact-rich robotic manipulation tasks.…

Modern diffusion-based image generative models have made significant progress and become promising to enrich training data for the object detection task. However, the generation quality and the controllability for complex scenes containing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Jingyuan Zhu , Shiyu Li , Yuxuan Liu , Ping Huang , Jiulong Shan , Huimin Ma , Jian Yuan

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is expensive, we investigate whether a…

Robotics · Computer Science 2026-02-17 Yanjiang Guo , Tony Lee , Lucy Xiaoyang Shi , Jianyu Chen , Percy Liang , Chelsea Finn

Current vision-language-action (VLA) models, pre-trained on large-scale robotic data, exhibit strong multi-task capabilities and generalize well to variations in visual and language instructions for manipulation. However, their success rate…

Robotics · Computer Science 2025-10-17 Han Zhao , Jiaxuan Zhang , Wenxuan Song , Pengxiang Ding , Donglin Wang

Imitation learning is a promising approach for training humanoid robots to both walk and manipulate, but it requires a large number of demonstrations, which are time-intensive and difficult to collect via teleoperation. Existing…

Generating articulated assets is crucial for robotics, digital twins, and embodied intelligence. Existing generative models often rely on single-view inputs representing closed states, resulting in ambiguous or unrealistic kinematic…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Haowen Wang , Xiaoping Yuan , Fugang Zhang , Rui Jian , Yuanwei Zhu , Xiuquan Qiao , Yakun Huang

Vision-and-Language Navigation (VLN) is a challenging task that requires an agent to navigate through photorealistic environments following natural-language instructions. One main obstacle existing in VLN is data scarcity, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Yu Zhong , Rui Zhang , Zihao Zhang , Shuo Wang , Chuan Fang , Xishan Zhang , Jiaming Guo , Shaohui Peng , Di Huang , Yanyang Yan , Xing Hu , Qi Guo

The scarcity of large-scale robotic data has motivated the repurposing of foundation models from other modalities for policy learning. In this work, we introduce PhysGen (Learning Physics from Pretrained Video Generation Models), a scalable…

Robotics · Computer Science 2026-04-24 Zijian Song , Qichang Li , Sihan Qin , Yuhao Chen , Tianshui Chen , Liang Lin , Guangrun Wang

While large language models (LLMs) bring not only performance but also complexity, recent work has started to turn LLMs into data generators rather than task inferencers, where another affordable task model is trained for efficient…

Computation and Language · Computer Science 2023-05-24 Jiacheng Ye , Chengzu Li , Lingpeng Kong , Tao Yu

Prevalent Vision-Language-Action (VLA) models are typically built upon Multimodal Large Language Models (MLLMs) and demonstrate exceptional proficiency in semantic understanding, but they inherently lack the capability to deduce physical…

Robotic manipulation in open-world settings requires not only task execution but also the ability to detect and learn from failures. While recent advances in vision-language models (VLMs) and large language models (LLMs) have improved…

Algorithm Visualization (AV) helps students build mental models by animating algorithm execution states. Recent LLM-based systems such as CODE2VIDEO generate AV videos in an end-to-end manner. However, this paradigm requires the system to…

Artificial Intelligence · Computer Science 2026-05-13 Kunpeng Liao , Yuexiao Ma , Yisheng Lin , Hualin Zeng , Xiawu Zheng , Rongrong Ji

Diffusion and flow matching models have emerged as powerful robot policies, enabling Vision-Language-Action (VLA) models to generalize across diverse scenes and instructions. Yet, when trained via imitation learning, their high generative…

Robotics · Computer Science 2026-03-26 Minho Park , Kinam Kim , Junha Hyung , Hyojin Jang , Hoiyeong Jin , Jooyeol Yun , Hojoon Lee , Jaegul Choo

Imitation learning from a large set of human demonstrations has proved to be an effective paradigm for building capable robot agents. However, the demonstrations can be extremely costly and time-consuming to collect. We introduce MimicGen,…

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…

Generalization remains a fundamental challenge in robotic manipulation. To tackle this challenge, recent Vision-Language-Action (VLA) models build policies on top of Vision-Language Models (VLMs), seeking to transfer their open-world…

Vision-language pretraining (VLP) has emerged as a powerful paradigm in medical image analysis, enabling representation learning from large-scale image-text pairs without relying on expensive manual annotations. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Xieji Li , Siyuan Yan , Yingsheng Liu , H. Peter Soyer , Monika Janda , Victoria Mar , Zongyuan Ge

Language models trained with a fixed vocabulary struggle to generalize to novel or out-of-vocabulary words, limiting their flexibility in handling diverse token combinations. Existing dynamic vocabulary approaches attempt to address this…

Computation and Language · Computer Science 2025-10-21 Wei Du , Nuowei Liu , Jie Wang , Jiahao Kuang , Tao Ji , Xiaoling Wang , Yuanbin Wu

We introduce UGen, a unified autoregressive multimodal model that demonstrates strong performance across text processing, image understanding, and image generation tasks simultaneously. UGen converts both texts and images into discrete…

Computation and Language · Computer Science 2025-03-28 Hongxuan Tang , Hao Liu , Xinyan Xiao