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Related papers: Visual Imitation Learning with Patch Rewards

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Attention mechanisms have become of crucial importance in deep learning in recent years. These non-local operations, which are similar to traditional patch-based methods in image processing, complement local convolutions. However, computing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nicolas Cherel , Andrés Almansa , Yann Gousseau , Alasdair Newson

Inverse Reinforcement Learning infers a reward function from expert demonstrations, aiming to encode the behavior and intentions of the expert. Current approaches usually do this with generative and uni-modal models, meaning that they…

Machine Learning · Computer Science 2021-11-16 Niklas Freymuth , Philipp Becker , Gerhard Neumann

Learning to solve complex goal-oriented tasks with sparse terminal-only rewards often requires an enormous number of samples. In such cases, using a set of expert trajectories could help to learn faster. However, Imitation Learning (IL) via…

Machine Learning · Computer Science 2019-11-19 Sujoy Paul , Jeroen van Baar , Amit K. Roy-Chowdhury

Adversarial examples have proven to be a concerning threat to deep learning models, particularly in the image domain. However, while many studies have examined adversarial examples in the real world, most of them relied on 2D photos of the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yael Mathov , Lior Rokach , Yuval Elovici

Reward specification is a notoriously difficult problem in reinforcement learning, requiring extensive expert supervision to design robust reward functions. Imitation learning (IL) methods attempt to circumvent these problems by utilizing…

Artificial Intelligence · Computer Science 2023-10-13 Sumedh A Sontakke , Jesse Zhang , Sébastien M. R. Arnold , Karl Pertsch , Erdem Bıyık , Dorsa Sadigh , Chelsea Finn , Laurent Itti

Object detection in aerial imagery presents a significant challenge due to large scale variations among objects. This paper proposes an evolutionary reinforcement learning agent, integrated within a coarse-to-fine object detection…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Jialu Zhang , Xiaoying Yang , Wentao He , Jianfeng Ren , Qian Zhang , Titian Zhao , Ruibin Bai , Xiangjian He , Jiang Liu

Autonomous flying robots, e.g. multirotors, often rely on a neural network that makes predictions based on a camera image. These deep learning (DL) models can compute surprising results if applied to input images outside the training…

Robotics · Computer Science 2023-08-01 Pia Hanfeld , Marina M. -C. Höhne , Michael Bussmann , Wolfgang Hönig

Robots can use Visual Imitation Learning (VIL) to learn manipulation tasks from video demonstrations. However, translating visual observations into actionable robot policies is challenging due to the high-dimensional nature of video data.…

Robotics · Computer Science 2025-01-22 Ananth Jonnavittula , Sagar Parekh , Dylan P. Losey

Reinforcement learning problems are often described through rewards that indicate if an agent has completed some task. This specification can yield desirable behavior, however many problems are difficult to specify in this manner, as one…

Artificial Intelligence · Computer Science 2016-08-15 Ashley Edwards , Charles Isbell , Atsuo Takanishi

Inverse reinforcement learning (IRL) denotes a powerful family of algorithms for recovering a reward function justifying the behavior demonstrated by an expert agent. A well-known limitation of IRL is the ambiguity in the choice of the…

Machine Learning · Computer Science 2023-04-26 Alberto Maria Metelli , Filippo Lazzati , Marcello Restelli

In this paper, we build upon the weakly-supervised generation mechanism of intermediate attention maps in any convolutional neural networks and disclose the effectiveness of attention modules more straightforwardly to fully exploit their…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Duo Li , Qifeng Chen

Physical adversarial attacks on deep learning systems is concerning due to the ease of deploying such attacks, usually by placing an adversarial patch in a scene to manipulate the outcomes of a deep learning model. Training such patches…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Harrison Bagley , Will Meakin , Simon Lucey , Yee Wei Law , Tat-Jun Chin

We study reinforcement learning (RL) with no-reward demonstrations, a setting in which an RL agent has access to additional data from the interaction of other agents with the same environment. However, it has no access to the rewards or…

Machine Learning · Computer Science 2021-06-11 Angelos Filos , Clare Lyle , Yarin Gal , Sergey Levine , Natasha Jaques , Gregory Farquhar

Common approaches to providing feedback in reinforcement learning are the use of hand-crafted rewards or full-trajectory expert demonstrations. Alternatively, one can use examples of completed tasks, but such an approach can be extremely…

Robotics · Computer Science 2025-09-16 Trevor Ablett , Bryan Chan , Jayce Haoran Wang , Jonathan Kelly

In many sequential decision-making problems (e.g., robotics control, game playing, sequential prediction), human or expert data is available containing useful information about the task. However, imitation learning (IL) from a small amount…

Machine Learning · Computer Science 2022-11-04 Divyansh Garg , Shuvam Chakraborty , Chris Cundy , Jiaming Song , Matthieu Geist , Stefano Ermon

Recent advances at the intersection of reinforcement learning (RL) and visual intelligence have enabled agents that not only perceive complex visual scenes but also reason, generate, and act within them. This survey offers a critical and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Weijia Wu , Chen Gao , Joya Chen , Kevin Qinghong Lin , Qingwei Meng , Yiming Zhang , Yuke Qiu , Hong Zhou , Mike Zheng Shou

Visual imitation learning provides a framework for learning complex manipulation behaviors by leveraging human demonstrations. However, current interfaces for imitation such as kinesthetic teaching or teleoperation prohibitively restrict…

Robotics · Computer Science 2020-08-12 Sarah Young , Dhiraj Gandhi , Shubham Tulsiani , Abhinav Gupta , Pieter Abbeel , Lerrel Pinto

When operating in service of people, robots need to optimize rewards aligned with end-user preferences. Since robots will rely on raw perceptual inputs like RGB images, their rewards will inevitably use visual representations. Recently…

Robotics · Computer Science 2024-01-17 Ran Tian , Chenfeng Xu , Masayoshi Tomizuka , Jitendra Malik , Andrea Bajcsy

Can Visual Language Models (VLMs) effectively capture human visual preferences? This work addresses this question by training VLMs to think about preferences at test time, employing reinforcement learning methods inspired by DeepSeek R1 and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Alexander Gambashidze , Konstantin Sobolev , Andrey Kuznetsov , Ivan Oseledets

Many manipulation tasks require robots to interact with unknown environments. In such applications, the ability to adapt the impedance according to different task phases and environment constraints is crucial for safety and performance.…

Robotics · Computer Science 2021-02-16 Xiang Zhang , Liting Sun , Zhian Kuang , Masayoshi Tomizuka