中文
相关论文

相关论文: Going Beyond Expert Performance via Deep Implicit …

200 篇论文

This paper presents a novel approach to imitation learning from observations, where an autoregressive mixture of experts model is deployed to fit the underlying policy. The parameters of the model are learned via a two-stage framework. By…

机器学习 · 计算机科学 2024-11-14 Renzi Wang , Flavia Sofia Acerbo , Tong Duy Son , Panagiotis Patrinos

Imitation learning allows agents to learn complex behaviors from demonstrations. However, learning a complex vision-based task may require an impractical number of demonstrations. Meta-imitation learning is a promising approach towards…

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

Researchers have demonstrated state-of-the-art performance in sequential decision making problems (e.g., robotics control, sequential prediction) with deep neural network models. One often has access to near-optimal oracles that achieve…

机器学习 · 计算机科学 2017-03-06 Wen Sun , Arun Venkatraman , Geoffrey J. Gordon , Byron Boots , J. Andrew Bagnell

Vision-based deep reinforcement learning (RL) typically obtains performance benefit by using high capacity and relatively large convolutional neural networks (CNN). However, a large network leads to higher inference costs (power, latency,…

机器学习 · 计算机科学 2019-05-01 Sam Green , Craig M. Vineyard , Çetin Kaya Koç

Imitation learning addresses the challenge of learning by observing an expert's demonstrations without access to reward signals from environments. Most existing imitation learning methods that do not require interacting with environments…

机器学习 · 计算机科学 2024-06-04 Shang-Fu Chen , Hsiang-Chun Wang , Ming-Hao Hsu , Chun-Mao Lai , Shao-Hua Sun

Recently, increasing interest has been drawn in exploiting deep convolutional neural networks (DCNNs) for no-reference image quality assessment (NR-IQA). Despite of the notable success achieved, there is a broad consensus that training…

图像与视频处理 · 电气工程与系统科学 2020-04-14 Hancheng Zhu , Leida Li , Jinjian Wu , Weisheng Dong , Guangming Shi

Reinforcement learning (RL) has seen great advancements in the past few years. Nevertheless, the consensus among the RL community is that currently used methods, despite all their benefits, suffer from extreme data inefficiency, especially…

机器学习 · 计算机科学 2020-04-01 Kacper Kielak

We consider imitation learning problems where the learner's ability to mimic the expert increases throughout the course of an episode as more information is revealed. One example of this is when the expert has access to privileged…

机器学习 · 计算机科学 2023-01-18 Gokul Swamy , Sanjiban Choudhury , J. Andrew Bagnell , Zhiwei Steven Wu

Implicit deep learning has recently gained popularity with applications ranging from meta-learning to Deep Equilibrium Networks (DEQs). In its general formulation, it relies on expressing some components of deep learning pipelines…

机器学习 · 计算机科学 2023-05-25 Zaccharie Ramzi , Pierre Ablin , Gabriel Peyré , Thomas Moreau

Imitation learning is well-suited for robotic tasks where it is difficult to directly program the behavior or specify a cost for optimal control. In this work, we propose a method for learning the reward function (and the corresponding…

机器学习 · 计算机科学 2021-01-01 Tianwei Ni , Harshit Sikchi , Yufei Wang , Tejus Gupta , Lisa Lee , Benjamin Eysenbach

Many imitation learning (IL) algorithms use inverse reinforcement learning (IRL) to infer a reward function that aligns with the demonstration. However, the inferred reward functions often fail to capture the underlying task objectives. In…

机器学习 · 计算机科学 2024-11-01 Weichao Zhou , Wenchao Li

The use of Reinforcement Learning (RL) is still restricted to simulation or to enhance human-operated systems through recommendations. Real-world environments (e.g. industrial robots or power grids) are generally designed with safety…

机器学习 · 计算机科学 2020-08-14 Mathieu Seurin , Philippe Preux , Olivier Pietquin

Adaptive inference is a promising technique to improve the computational efficiency of deep models at test time. In contrast to static models which use the same computation graph for all instances, adaptive networks can dynamically adjust…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Hao Li , Hong Zhang , Xiaojuan Qi , Ruigang Yang , Gao Huang

Optimal trade execution is an important problem faced by essentially all traders. Much research into optimal execution uses stringent model assumptions and applies continuous time stochastic control to solve them. Here, we instead take a…

交易与市场微观结构 · 定量金融 2020-06-09 Brian Ning , Franco Ho Ting Lin , Sebastian Jaimungal

Self-healing capability is one of the most critical factors for a resilient distribution system, which requires intelligent agents to automatically perform restorative actions online, including network reconfiguration and reactive power…

系统与控制 · 电气工程与系统科学 2021-05-11 Yichen Zhang , Feng Qiu , Tianqi Hong , Zhaoyu Wang , Fangxing Li

We identify two issues with the family of algorithms based on the Adversarial Imitation Learning framework. The first problem is implicit bias present in the reward functions used in these algorithms. While these biases might work well for…

机器学习 · 计算机科学 2018-10-16 Ilya Kostrikov , Kumar Krishna Agrawal , Debidatta Dwibedi , Sergey Levine , Jonathan Tompson

Algorithms that tackle deep exploration -- an important challenge in reinforcement learning -- have relied on epistemic uncertainty representation through ensembles or other hypermodels, exploration bonuses, or visitation count…

机器学习 · 计算机科学 2021-02-24 Vikranth Dwaracherla , Benjamin Van Roy

Offline Reinforcement Learning (RL) faces a fundamental challenge of extrapolation errors caused by out-of-distribution (OOD) actions. Implicit Q-Learning (IQL) employs expectile regression to achieve in-sample learning. Nevertheless, IQL…

机器学习 · 计算机科学 2026-02-03 Xinchen Han , Hossam Afifi , Michel Marot

Learning to imitate expert behavior from demonstrations can be challenging, especially in environments with high-dimensional, continuous observations and unknown dynamics. Supervised learning methods based on behavioral cloning (BC) suffer…

机器学习 · 计算机科学 2019-09-27 Siddharth Reddy , Anca D. Dragan , Sergey Levine