English
Related papers

Related papers: Observer-Actor: Active Vision Imitation Learning w…

200 papers

In real-world scenarios, many robotic manipulation tasks are hindered by occlusions and limited fields of view, posing significant challenges for passive observation-based models that rely on fixed or wrist-mounted cameras. In this paper,…

Robotics · Computer Science 2025-02-13 Guokang Wang , Hang Li , Shuyuan Zhang , Di Guo , Yanhong Liu , Huaping Liu

Human perception of surroundings is often guided by the various poses present within the environment. Many computer vision tasks, such as human action recognition and robot imitation learning, rely on pose-based entities like human…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Dominick Reilly , Aman Chadha , Srijan Das

Active visual exploration aims to assist an agent with a limited field of view to understand its environment based on partial observations made by choosing the best viewing directions in the scene. Recent methods have tried to address this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Soroush Seifi , Abhishek Jha , Tinne Tuytelaars

Robust perception and dynamics modeling are fundamental to real-world robotic policy learning. Recent methods employ video diffusion models (VDMs) to enhance robotic policies, improving their understanding and modeling of the physical…

The imitation learning research community has recently made significant progress towards the goal of enabling artificial agents to imitate behaviors from video demonstrations alone. However, current state-of-the-art approaches developed for…

Robotics · Computer Science 2022-07-28 Haresh Karnan , Garrett Warnell , Faraz Torabi , Peter Stone

Recent vision-language-action (VLA) models and world action models (WAMs) advance robotic manipulation by enriching intermediate representations with auxiliary spatial features or future visual-state prediction. However, these…

Robotics · Computer Science 2026-05-26 Xinzhe Chen , Sihua Ren , Liqi Huang , Haowen Sun , Mingyang Li , Xingyu Chen , Zeyang Liu , Xuguang Lan

Imitation from observation is a computational technique that teaches an agent on how to mimic the behavior of an expert by observing only the sequence of states from the expert demonstrations. Recent approaches learn the inverse dynamics of…

Artificial Intelligence · Computer Science 2020-04-29 Juarez Monteiro , Nathan Gavenski , Roger Granada , Felipe Meneguzzi , Rodrigo Barros

To reach human performance on complex tasks, a key ability for artificial systems is to understand physical interactions between objects, and predict future outcomes of a situation. This ability, often referred to as intuitive physics, has…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Ronan Riochet , Josef Sivic , Ivan Laptev , Emmanuel Dupoux

Occupancy prediction infers fine-grained 3D geometry and semantics from camera images of the surrounding environment, making it a critical perception task for autonomous driving. Existing methods either adopt dense grids as scene…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Yunxiao Shi , Yinhao Zhu , Shizhong Han , Jisoo Jeong , Amin Ansari , Hong Cai , Fatih Porikli

Active recognition, which allows intelligent agents to explore observations for better recognition performance, serves as a prerequisite for various embodied AI tasks, such as grasping, navigation and room arrangements. Given the evolving…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Lei Fan , Jianxiong Zhou , Xiaoying Xing , Ying Wu

Active vision -- where a policy controls its own gaze during manipulation -- has emerged as a key capability for imitation learning, with multiple independent systems demonstrating its benefits in the past year. Yet there is no shared…

Robotics · Computer Science 2026-05-11 Giacomo Spigler

Achieving dexterous robotic grasping with multi-fingered hands remains a significant challenge. While existing methods rely on complete 3D scans to predict grasp poses, these approaches face limitations due to the difficulty of acquiring…

We study Reinforcement Learning for partially observable dynamical systems using function approximation. We propose a new \textit{Partially Observable Bilinear Actor-Critic framework}, that is general enough to include models such as…

Machine Learning · Computer Science 2022-06-27 Masatoshi Uehara , Ayush Sekhari , Jason D. Lee , Nathan Kallus , Wen Sun

Recent advancements in camera-based occupancy prediction have focused on the simultaneous prediction of 3D semantics and scene flow, a task that presents significant challenges due to specific difficulties, e.g., occlusions and unbalanced…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Ziyue Zhu , Shenlong Wang , Jin Xie , Jiang-jiang Liu , Jingdong Wang , Jian Yang

In this paper, we propose to create animatable avatars for interacting hands with 3D Gaussian Splatting (GS) and single-image inputs. Existing GS-based methods designed for single subjects often yield unsatisfactory results due to limited…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Xuan Huang , Hanhui Li , Wanquan Liu , Xiaodan Liang , Yiqiang Yan , Yuhao Cheng , Chengqiang Gao

In many real-world visual Imitation Learning (IL) scenarios, there is a misalignment between the agent's and the expert's perspectives, which might lead to the failure of imitation. Previous methods have generally solved this problem by…

Robotics · Computer Science 2024-04-05 Kaichen Huang , Minghao Shao , Shenghua Wan , Hai-Hang Sun , Shuai Feng , Le Gan , De-Chuan Zhan

Visual search is important in our daily life. The efficient allocation of visual attention is critical to effectively complete visual search tasks. Prior research has predominantly modelled the spatial allocation of visual attention in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Yini Fang , Jingling Yu , Haozheng Zhang , Ralf van der Lans , Bertram Shi

Standard computer vision systems assume access to intelligently captured inputs (e.g., photos from a human photographer), yet autonomously capturing good observations is a major challenge in itself. We address the problem of learning to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Santhosh K. Ramakrishnan , Dinesh Jayaraman , Kristen Grauman

Reinforcement learning in partially observable domains is challenging due to the lack of observable state information. Thankfully, learning offline in a simulator with such state information is often possible. In particular, we propose a…

Robotics · Computer Science 2022-11-11 Hai Nguyen , Andrea Baisero , Dian Wang , Christopher Amato , Robert Platt

Accurate shape reconstruction of transparent objects is a challenging task due to their non-Lambertian surfaces and yet necessary for robots for accurate pose perception and safe manipulation. As vision-based sensing can produce erroneous…

Robotics · Computer Science 2023-08-01 Prajval Kumar Murali , Bernd Porr , Mohsen Kaboli