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Being able to reason in an environment with a large number of discrete actions is essential to bringing reinforcement learning to a larger class of problems. Recommender systems, industrial plants and language models are only some of the…

Transformer models, which leverage architectural improvements like self-attention, perform remarkably well on Natural Language Processing (NLP) tasks. The self-attention mechanism is position agnostic. In order to capture positional…

Computation and Language · Computer Science 2021-09-28 Zhiheng Huang , Davis Liang , Peng Xu , Bing Xiang

Learning from Demonstration (LfD) provides an intuitive and fast approach to program robotic manipulators. Task parameterized representations allow easy adaptation to new scenes and online observations. However, this approach has been…

Robotics · Computer Science 2021-09-10 An T. Le , Meng Guo , Niels van Duijkeren , Leonel Rozo , Robert Krug , Andras G. Kupcsik , Mathias Buerger

We present placing via picking (PvP), a method to autonomously collect real-world demonstrations for a family of placing tasks in which objects must be manipulated to specific, contact-constrained locations. With PvP, we approach the…

Robotics · Computer Science 2024-12-30 Oliver Limoyo , Abhisek Konar , Trevor Ablett , Jonathan Kelly , Francois R. Hogan , Gregory Dudek

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

Robotics · Computer Science 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

Standard meta-learning for representation learning aims to find a common representation to be shared across multiple tasks. The effectiveness of these methods is often limited when the nuances of the tasks' distribution cannot be captured…

Machine Learning · Computer Science 2021-03-31 Giulia Denevi , Massimiliano Pontil , Carlo Ciliberto

In this paper we study how to learn stochastic, multimodal transition dynamics in reinforcement learning (RL) tasks. We focus on evaluating transition function estimation, while we defer planning over this model to future work.…

Machine Learning · Statistics 2017-08-09 Thomas M. Moerland , Joost Broekens , Catholijn M. Jonker

We propose a novel formulation of robotic pick and place as a deep reinforcement learning (RL) problem. Whereas most deep RL approaches to robotic manipulation frame the problem in terms of low level states and actions, we propose a more…

Robotics · Computer Science 2018-02-26 Marcus Gualtieri , Andreas ten Pas , Robert Platt

Although reinforcement learning has seen remarkable progress over the last years, solving robust dexterous object-manipulation tasks in multi-object settings remains a challenge. In this paper, we focus on models that can learn manipulation…

We present prompt distribution learning for effectively adapting a pre-trained vision-language model to address downstream recognition tasks. Our method not only learns low-bias prompts from a few samples but also captures the distribution…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Yuning Lu , Jianzhuang Liu , Yonggang Zhang , Yajing Liu , Xinmei Tian

We introduce a new approach for robotic manipulation tasks in human settings that necessitates understanding the 3D geometric connections between a pair of objects. Conventional end-to-end training approaches, which convert pixel…

Robotics · Computer Science 2024-05-22 Xuxin Cheng , Heng Yu , Harry Zhang , Wenxing Deng

We propose to learn tasks directly from visual demonstrations by learning to predict the outcome of human and robot actions on an environment. We enable a robot to physically perform a human demonstrated task without knowledge of the…

Robotics · Computer Science 2017-03-09 Adam Tow , Niko Sünderhauf , Sareh Shirazi , Michael Milford , Jürgen Leitner

Robotic pick and place tasks are symmetric under translations and rotations of both the object to be picked and the desired place pose. For example, if the pick object is rotated or translated, then the optimal pick action should also…

Robotics · Computer Science 2023-12-27 Haojie Huang , Dian Wang , Arsh Tangri , Robin Walters , Robert Platt

Multimodal learning from document data has achieved great success lately as it allows to pre-train semantically meaningful features as a prior into a learnable downstream task. In this paper, we approach the document classification problem…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Souhail Bakkali , Zuheng Ming , Mickael Coustaty , Marçal Rusiñol , Oriol Ramos Terrades

This work proposes a novel pose estimation model for object categories that can be effectively transferred to previously unseen environments. The deep convolutional network models (CNN) for pose estimation are typically trained and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Negar Nejatishahidin , Pooya Fayyazsanavi , Jana Kosecka

Learning robotic manipulation tasks using reinforcement learning with sparse rewards is currently impractical due to the outrageous data requirements. Many practical tasks require manipulation of multiple objects, and the complexity of such…

Robotics · Computer Science 2019-12-24 Richard Li , Allan Jabri , Trevor Darrell , Pulkit Agrawal

Representational learning forms the backbone of most deep learning applications, and the value of a learned representation is intimately tied to its information content regarding different factors of variation. Finding good representations…

Machine Learning · Computer Science 2022-03-31 Kieran A. Murphy , Varun Jampani , Srikumar Ramalingam , Ameesh Makadia

Object pose distribution estimation is crucial in robotics for better path planning and handling of symmetric objects. Recent distribution estimation approaches employ contrastive learning-based approaches by maximizing the likelihood of a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Shishir Reddy Vutukur , Rasmus Laurvig Haugaard , Junwen Huang , Benjamin Busam , Tolga Birdal

In existing works that learn representation for object detection, the relationship between a candidate window and the ground truth bounding box of an object is simplified by thresholding their overlap. This paper shows information loss in…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Xingyu Zeng , Wanli Ouyang , Xiaogang Wang

Close and precise placement of irregularly shaped objects requires a skilled robotic system. The manipulation of objects that have sensitive top surfaces and a fixed set of neighbors is particularly challenging. To avoid damaging the…

Robotics · Computer Science 2024-10-14 Benedikt Kreis , Nils Dengler , Jorge de Heuvel , Rohit Menon , Hamsa Perur , Maren Bennewitz