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We apply recent advances in deep generative modeling to the task of imitation learning from biological agents. Specifically, we apply variations of the variational recurrent neural network model to a multi-agent setting where we learn…

机器学习 · 计算机科学 2020-07-02 Michael Teng , Tuan Anh Le , Adam Scibior , Frank Wood

Model-based planning holds great promise for improving both sample efficiency and generalization in reinforcement learning (RL). We show that energy-based models (EBMs) are a promising class of models to use for model-based planning. EBMs…

机器学习 · 计算机科学 2021-03-09 Yilun Du , Toru Lin , Igor Mordatch

Deep neural network (DNN) based approaches hold significant potential for reinforcement learning (RL) and have already shown remarkable gains over state-of-art methods in a number of applications. The effectiveness of DNN methods can be…

机器学习 · 统计学 2017-06-01 Henghui Zhu , Feng Nan , Ioannis Paschalidis , Venkatesh Saligrama

Training deep learning models that generalize well to live deployment is a challenging problem in the financial markets. The challenge arises because of high dimensionality, limited observations, changing data distributions, and a low…

统计金融 · 定量金融 2019-12-20 Brandon Da Silva , Sylvie Shang Shi

Deep energy-based models are powerful, but pose challenges for learning and inference (Belanger and McCallum, 2016). Tu and Gimpel (2018) developed an efficient framework for energy-based models by training "inference networks" to…

计算与语言 · 计算机科学 2020-10-13 Lifu Tu , Richard Yuanzhe Pang , Kevin Gimpel

AI Safety is a major concern in many deep learning applications such as autonomous driving. Given a trained deep learning model, an important natural problem is how to reliably verify the model's prediction. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Tong Che , Xiaofeng Liu , Site Li , Yubin Ge , Ruixiang Zhang , Caiming Xiong , Yoshua Bengio

Planning with generative models has emerged as an effective decision-making paradigm across a wide range of domains, including reinforcement learning and autonomous navigation. While continuous replanning at each timestep might seem…

机器人学 · 计算机科学 2024-08-06 Pascal Jutras-Dubé , Ruqi Zhang , Aniket Bera

Diffusion Probabilistic Models (DPMs) have recently demonstrated impressive results on various generative tasks.Despite its promises, the learned representations of pre-trained DPMs, however, have not been fully understood. In this paper,…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Xingyi Yang , Xinchao Wang

Generative Diffusion Models (GDMs) have emerged as a transformative force in the realm of Generative Artificial Intelligence (GenAI), demonstrating their versatility and efficacy across various applications. The ability to model complex…

网络与互联网体系结构 · 计算机科学 2024-05-09 Hongyang Du , Ruichen Zhang , Yinqiu Liu , Jiacheng Wang , Yijing Lin , Zonghang Li , Dusit Niyato , Jiawen Kang , Zehui Xiong , Shuguang Cui , Bo Ai , Haibo Zhou , Dong In Kim

The quality of data representation in deep learning methods is directly related to the prior model imposed on the representations; however, generally used fixed priors are not capable of adjusting to the context in the data. To address this…

机器学习 · 计算机科学 2013-03-18 Rakesh Chalasani , Jose C. Principe

Deep Learning (DL) applications are being used to solve problems in critical domains (e.g., autonomous driving or medical diagnosis systems). Thus, developers need to debug their systems to ensure that the expected behavior is delivered.…

软件工程 · 计算机科学 2023-07-19 Mohammad Wardat , Breno Dantas Cruz , Wei Le , Hridesh Rajan

We present a data-driven modeling strategy to overcome improperly modeled dynamics for systems exhibiting complex spatio-temporal behaviors. We propose a Deep Learning framework to resolve the differences between the true dynamics of the…

机器学习 · 计算机科学 2020-10-28 Maan Qraitem , Dhanushka Kularatne , Eric Forgoston , M. Ani Hsieh

Model-based reinforcement learning could enable sample-efficient learning by quickly acquiring rich knowledge about the world and using it to improve behaviour without additional data. Learned dynamics models can be directly used for…

机器学习 · 计算机科学 2019-10-15 Rinu Boney , Juho Kannala , Alexander Ilin

In this paper, we introduce an alternative approach, namely GEN (Genetic Evolution Network) Model, to the deep learning models. Instead of building one single deep model, GEN adopts a genetic-evolutionary learning strategy to build a group…

机器学习 · 计算机科学 2018-06-06 Jiawei Zhang , Limeng Cui , Fisher B. Gouza

Recent works exploring deep learning application to dynamical systems modeling have demonstrated that embedding physical priors into neural networks can yield more effective, physically-realistic, and data-efficient models. However, in the…

神经与进化计算 · 计算机科学 2020-11-30 Elliott Skomski , Jan Drgona , Aaron Tuor

Deep reinforcement learning is used in various domains, but usually under the assumption that the environment has stationary conditions like transitions and state distributions. When this assumption is not met, performance suffers. For this…

机器学习 · 计算机科学 2024-05-24 Zihe Liu , Jie Lu , Guangquan Zhang , Junyu Xuan

Embedding of large but redundant data, such as images or text, in a hierarchy of lower-dimensional spaces is one of the key features of representation learning approaches, which nowadays provide state-of-the-art solutions to problems once…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Gianluca Berardi , Luca De Luigi , Samuele Salti , Luigi Di Stefano

Learning-based approaches for solving large sequential decision making problems have become popular in recent years. The resulting agents perform differently and their characteristics depend on those of the underlying learning approach.…

机器学习 · 计算机科学 2020-08-04 Timo P. Gros , Daniel Höller , Jörg Hoffmann , Verena Wolf

We present a deep generative scene modeling technique for indoor environments. Our goal is to train a generative model using a feed-forward neural network that maps a prior distribution (e.g., a normal distribution) to the distribution of…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Zaiwei Zhang , Zhenpei Yang , Chongyang Ma , Linjie Luo , Alexander Huth , Etienne Vouga , Qixing Huang

Deep neural network models owe their representational power to the high number of learnable parameters. It is often infeasible to run these largely parametrized deep models in limited resource environments, like mobile phones. Network…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Ufuk Can Biçici , Cem Keskin , Lale Akarun