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In this work, we focus on addressing the long-horizon manipulation tasks in densely cluttered scenes. Such tasks require policies to effectively manage severe occlusions among objects and continually produce actions based on visual…

Robotics · Computer Science 2023-12-06 Hecheng Wang , Lizhe Qi , Bin Fang , Yunquan Sun

Sufficiently perceiving the environment is a critical factor in robot motion generation. Although the introduction of deep visual processing models have contributed in extending this ability, existing methods lack in the ability to actively…

Robotics · Computer Science 2022-06-30 Hyogo Hiruma , Hiroshi Ito , Hiroki Mori , Tetsuya Ogata

It is a long-standing challenge to enable an intelligent agent to learn in one environment and generalize to an unseen environment without further data collection and finetuning. In this paper, we consider a zero shot generalization problem…

Machine Learning · Computer Science 2021-03-16 Huazhe Xu , Boyuan Chen , Yang Gao , Trevor Darrell

Manipulating deformable objects, such as fabric, is a long standing problem in robotics, with state estimation and control posing a significant challenge for traditional methods. In this paper, we show that it is possible to learn fabric…

Robotics · Computer Science 2020-10-08 Robert Lee , Daniel Ward , Akansel Cosgun , Vibhavari Dasagi , Peter Corke , Jurgen Leitner

In this project we trained a neural network to perform specific interactions between a robot and objects in the environment, through imitation learning. In particular, we tackle the task of moving the robot to a fixed pose with respect to a…

Robotics · Computer Science 2021-09-27 Giorgia Adorni , Elia Cereda

Holistic scene understanding poses a fundamental contribution to the autonomous operation of a robotic agent in its environment. Key ingredients include a well-defined representation of the surroundings to capture its spatial structure as…

Robotics · Computer Science 2024-05-24 Niclas Vödisch

Robots are expected to replace menial tasks such as housework. Some of these tasks include nonprehensile manipulation performed without grasping objects. Nonprehensile manipulation is very difficult because it requires considering the…

Robotics · Computer Science 2022-06-23 Yuki Saigusa , Sho Sakaino , Toshiaki Tsuji

6D grasping in cluttered scenes is a longstanding problem in robotic manipulation. Open-loop manipulation pipelines may fail due to inaccurate state estimation, while most end-to-end grasping methods have not yet scaled to complex scenes…

Robotics · Computer Science 2022-01-12 Lirui Wang , Xiangyun Meng , Yu Xiang , Dieter Fox

Learned visuomotor policies have shown considerable success as an alternative to traditional, hand-crafted frameworks for robotic manipulation. Surprisingly, an extension of these methods to the multiview domain is relatively unexplored. A…

Robotics · Computer Science 2022-07-11 Trevor Ablett , Yifan Zhai , Jonathan Kelly

Recent advances in data-driven models for grounded language understanding have enabled robots to interpret increasingly complex instructions. Two fundamental limitations of these methods are that most require a full model of the environment…

Robotics · Computer Science 2019-10-23 Siddharth Patki , Ethan Fahnestock , Thomas M. Howard , Matthew R. Walter

Humans demonstrate an impressive ability to acquire and generalize manipulation "tricks." Even from a single demonstration, such as using soup ladles to reach for distant objects, we can apply this skill to new scenarios involving different…

Robotics · Computer Science 2023-11-07 Jiayuan Mao , Joshua B. Tenenbaum , Tomás Lozano-Pérez , Leslie Pack Kaelbling

As robots and other intelligent agents move from simple environments and problems to more complex, unstructured settings, manually programming their behavior has become increasingly challenging and expensive. Often, it is easier for a…

Robotics · Computer Science 2018-11-19 Takayuki Osa , Joni Pajarinen , Gerhard Neumann , J. Andrew Bagnell , Pieter Abbeel , Jan Peters

Robots are now increasingly integrated into various real world applications and domains. In these new domains, robots are mostly employed to improve, in some ways, the work done by humans. So, the need for effective Human-Robot Teaming…

Robotics · Computer Science 2024-08-26 Yousra Shleibik , Elijah Alabi , Christopher Reardon

Many real-world tasks involve multiple agents with partial observability and limited communication. Learning is challenging in these settings due to local viewpoints of agents, which perceive the world as non-stationary due to…

Machine Learning · Computer Science 2018-05-23 Shayegan Omidshafiei , Jason Pazis , Christopher Amato , Jonathan P. How , John Vian

Attention modules, as simple and effective tools, have not only enabled deep neural networks to achieve state-of-the-art results in many domains, but also enhanced their interpretability. Most current models use deterministic attention…

Machine Learning · Statistics 2020-10-22 Xinjie Fan , Shujian Zhang , Bo Chen , Mingyuan Zhou

Deep learning's success in perception, natural language processing, etc. inspires hopes for advancements in autonomous robotics. However, real-world robotics face challenges like variability, high-dimensional state spaces, non-linear…

Robotics · Computer Science 2025-01-28 Sven Behnke

Flexible pick-and-place is a fundamental yet challenging task within robotics, in particular due to the need of an object model for a simple target pose definition. In this work, the robot instead learns to pick-and-place objects using…

Robotics · Computer Science 2020-06-16 Lars Berscheid , Pascal Meißner , Torsten Kröger

Robots that can manipulate objects in unstructured environments and collaborate with humans can benefit immensely by understanding natural language. We propose a pipelined architecture of two stages to perform spatial reasoning on the text…

In this paper we tackle the problem of deformable object manipulation through model-free visual reinforcement learning (RL). In order to circumvent the sample inefficiency of RL, we propose two key ideas that accelerate learning. First, we…

Robotics · Computer Science 2020-03-04 Yilin Wu , Wilson Yan , Thanard Kurutach , Lerrel Pinto , Pieter Abbeel

It is common to implicitly assume access to intelligently captured inputs (e.g., photos from a human photographer), yet autonomously capturing good observations is itself a major challenge. We address the problem of learning to look around:…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Dinesh Jayaraman , Kristen Grauman