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Appearance-based gaze estimation has been actively studied in recent years. However, its generalization performance for unseen head poses is still a significant limitation for existing methods. This work proposes a generalizable multi-view…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Yoichiro Hisadome , Tianyi Wu , Jiawei Qin , Yusuke Sugano

We propose VISO-Grasp, a novel vision-language-informed system designed to systematically address visibility constraints for grasping in severely occluded environments. By leveraging Foundation Models (FMs) for spatial reasoning and active…

Robotics · Computer Science 2025-08-07 Yitian Shi , Di Wen , Guanqi Chen , Edgar Welte , Sheng Liu , Kunyu Peng , Rainer Stiefelhagen , Rania Rayyes

Optimizing discrete diffusion model (DDM) with rewards remains a challenge: the non-autoregressive paradigm makes importance sampling intractable and rollout complex, puzzling reinforcement learning methods such as Group Relative Policy…

Artificial Intelligence · Computer Science 2025-10-06 Tianren Ma , Mu Zhang , Yibing Wang , Qixiang Ye

In this paper, we leverage self-supervised vision transformer models and their emergent semantic abilities to improve the generalization abilities of imitation learning policies. We introduce DVK, an imitation learning algorithm that…

Robotics · Computer Science 2025-03-12 Wei-Di Chang , Francois Hogan , Scott Fujimoto , David Meger , Gregory Dudek

A key challenge in manipulation is learning a policy that can robustly generalize to diverse visual environments. A promising mechanism for learning robust policies is to leverage video generative models, which are pretrained on large-scale…

Human-level contact-rich manipulation relies on the distinct roles of two key modalities: vision provides spatially rich but temporally slow global context, while force sensing captures rapid, high-frequency local contact dynamics.…

Robotics · Computer Science 2025-12-12 Wendi Chen , Han Xue , Yi Wang , Fangyuan Zhou , Jun Lv , Yang Jin , Shirun Tang , Chuan Wen , Cewu Lu

The end-to-end image fusion framework has achieved promising performance, with dedicated convolutional networks aggregating the multi-modal local appearance. However, long-range dependencies are directly neglected in existing CNN fusion…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Dongyu Rao , Xiao-Jun Wu , Tianyang Xu

Contact-rich manipulation is central to many everyday human activities, requiring continuous adaptation to contact uncertainty and external disturbances through multi-modal perception, particularly vision and tactile feedback. While…

Robotics · Computer Science 2026-04-28 Teng Xue , Alberto Rigo , Bingjian Huang , Jiayi Shen , Zhengtong Xu , Nick Colonnese , Amirhossein H. Memar

Learning robust and generalizable manipulation skills from demonstrations remains a key challenge in robotics, with broad applications in industrial automation and service robotics. While recent imitation learning methods have achieved…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Yu Ren , Yang Cong , Ronghan Chen , Jiahao Long

Extensive research has been conducted on assessing grasp stability, a crucial prerequisite for achieving optimal grasping strategies, including the minimum force grasping policy. However, existing works employ basic feature-level fusion…

Robotics · Computer Science 2023-08-03 Zhuangzhuang Zhang , Zhenning Zhou , Haili Wang , Zhinan Zhang , Huang Huang , Qixin Cao

Imitation learning-based visuomotor policies excel at manipulation tasks but often produce suboptimal action trajectories compared to model-based methods. Directly mapping camera data to actions via neural networks can result in jerky…

Robotics · Computer Science 2025-11-11 Zhengtong Xu , Zichen Miao , Qiang Qiu , Zhe Zhang , Yu She

Training vision-based manipulation policies that are robust across diverse visual environments remains an important and unresolved challenge in robot learning. Current approaches often sidestep the problem by relying on invariant…

Robotics · Computer Science 2025-05-20 Sumeet Batra , Gaurav Sukhatme

Diffusion Policy (DP) enables robots to learn complex behaviors by imitating expert demonstrations through action diffusion. However, in practical applications, hardware limitations often degrade data quality, while real-time constraints…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Jiahua Ma , Yiran Qin , Yixiong Li , Xuanqi Liao , Yulan Guo , Ruimao Zhang

Detectors often suffer from performance drop due to domain gap between training and testing data. Recent methods explore diffusion models applied to domain generalization (DG) and adaptation (DA) tasks, but still struggle with large…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Boyong He , Yuxiang Ji , Zhuoyue Tan , Liaoni Wu

Single-Domain Generalized Object Detection~(S-DGOD) aims to train an object detector on a single source domain while generalizing well to diverse unseen target domains, making it suitable for multimedia applications that involve various…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Xiaoran Xu , Jiangang Yang , Wenyue Chong , Wenhui Shi , Shichu Sun , Jing Xing , Jian Liu

Diffusion-based policies have shown impressive performance in robotic manipulation tasks while struggling with out-of-domain distributions. Recent efforts attempted to enhance generalization by improving the visual feature encoding for…

Robotics · Computer Science 2025-03-21 Shijie Wu , Yihang Zhu , Yunao Huang , Kaizhen Zhu , Jiayuan Gu , Jingyi Yu , Ye Shi , Jingya Wang

Given a dataset of expert trajectories, standard imitation learning approaches typically learn a direct mapping from observations (e.g., RGB images) to actions. However, such methods often overlook the rich interplay between different…

Robotics · Computer Science 2026-04-14 Zixuan Huang , Huaidian Hou , Dmitry Berenson

This paper introduces a novel approach to embed flow-based models with hierarchical structures. The proposed framework is named Variational Flow Graphical (VFG) Model. VFGs learn the representation of high dimensional data via a…

Machine Learning · Statistics 2022-07-07 Shaogang Ren , Belhal Karimi , Dingcheng Li , Ping Li

Diffusion-based models for robotic control, including vision-language-action (VLA) and vision-action (VA) policies, have demonstrated significant capabilities. Yet their advancement is constrained by the high cost of acquiring large-scale…

This paper introduces Diffusion Policy, a new way of generating robot behavior by representing a robot's visuomotor policy as a conditional denoising diffusion process. We benchmark Diffusion Policy across 12 different tasks from 4…

Robotics · Computer Science 2024-03-15 Cheng Chi , Zhenjia Xu , Siyuan Feng , Eric Cousineau , Yilun Du , Benjamin Burchfiel , Russ Tedrake , Shuran Song