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相关论文: Dual Generator Offline Reinforcement Learning

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Generative adversarial networks are a novel method for statistical inference that have achieved much empirical success; however, the factors contributing to this success remain ill-understood. In this work, we attempt to analyze generative…

机器学习 · 计算机科学 2018-09-13 Shuang Liu , Kamalika Chaudhuri

Generative Adversarial Networks (GANs) have known a tremendous success for many continuous generation tasks, especially in the field of image generation. However, for discrete outputs such as language, optimizing GANs remains an open…

Offline meta-reinforcement learning (OMRL) proficiently allows an agent to tackle novel tasks while solely relying on a static dataset. For precise and efficient task identification, existing OMRL research suggests learning separate task…

机器学习 · 计算机科学 2024-03-13 Chengxing Jia , Fuxiang Zhang , Yi-Chen Li , Chen-Xiao Gao , Xu-Hui Liu , Lei Yuan , Zongzhang Zhang , Yang Yu

Our goal is to train control policies that generalize well to unseen environments. Inspired by the Distributionally Robust Optimization (DRO) framework, we propose DRAGEN - Distributionally Robust policy learning via Adversarial Generation…

机器人学 · 计算机科学 2022-07-08 Allen Z. Ren , Anirudha Majumdar

Model-based offline reinforcement learning (RL) has emerged as a promising approach for recommender systems, enabling effective policy learning by interacting with frozen world models. However, the reward functions in these world models,…

信息检索 · 计算机科学 2025-05-13 Yi Zhang , Ruihong Qiu , Xuwei Xu , Jiajun Liu , Sen Wang

Thanks to their remarkable generative capabilities, GANs have gained great popularity, and are used abundantly in state-of-the-art methods and applications. In a GAN based model, a discriminator is trained to learn the real data…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Firas Shama , Roey Mechrez , Alon Shoshan , Lihi Zelnik-Manor

Generative adversarial networks (GANs) have been shown to produce realistic samples from high-dimensional distributions, but training them is considered hard. A possible explanation for training instabilities is the inherent imbalance…

We present a novel method and analysis to train generative adversarial networks (GAN) in a stable manner. As shown in recent analysis, training is often undermined by the probability distribution of the data being zero on neighborhoods of…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Simon Jenni , Paolo Favaro

Training generative adversarial networks (GAN) in a distributed fashion is a promising technology since it is contributed to training GAN on a massive of data efficiently in real-world applications. However, GAN is known to be difficult to…

机器学习 · 计算机科学 2020-10-27 Xiaojun Chen , Shu Yang , Li Shen , Xuanrong Pang

Generative Adversarial Networks (GANs) can successfully approximate a probability distribution and produce realistic samples. However, open questions such as sufficient convergence conditions and mode collapse still persist. In this paper,…

Offline reinforcement learning (RL) tries to learn the near-optimal policy with recorded offline experience without online exploration. Current offline RL research includes: 1) generative modeling, i.e., approximating a policy using fixed…

机器学习 · 计算机科学 2021-06-23 Hua Wei , Deheng Ye , Zhao Liu , Hao Wu , Bo Yuan , Qiang Fu , Wei Yang , Zhenhui Li

When applying offline reinforcement learning (RL) in healthcare scenarios, the out-of-distribution (OOD) issues pose significant risks, as inappropriate generalization beyond clinical expertise can result in potentially harmful…

机器学习 · 计算机科学 2025-05-23 Runze Yan , Xun Shen , Akifumi Wachi , Sebastien Gros , Anni Zhao , Xiao Hu

Generative Adversarial Networks (GANs) are a powerful framework for deep generative modeling. Posed as a two-player minimax problem, GANs are typically trained end-to-end on real-valued data and can be used to train a generator of…

机器学习 · 统计学 2017-11-15 Anirudh Goyal , Nan Rosemary Ke , Alex Lamb , R Devon Hjelm , Chris Pal , Joelle Pineau , Yoshua Bengio

Offline reinforcement learning (RL) optimizes the policy on a previously collected dataset without any interactions with the environment, yet usually suffers from the distributional shift problem. To mitigate this issue, a typical solution…

机器学习 · 计算机科学 2023-09-06 Qisen Yang , Shenzhi Wang , Qihang Zhang , Gao Huang , Shiji Song

Adversarial Optimization (AO) provides a reliable, practical way to match two implicitly defined distributions, one of which is usually represented by a sample of real data, and the other is defined by a generator. Typically, AO involves…

机器学习 · 计算机科学 2020-05-26 Maxim Borisyak , Tatiana Gaintseva , Andrey Ustyuzhanin

Generative Adversarial Networks (GANs) are a powerful class of generative models in the deep learning community. Current practice on large-scale GAN training utilizes large models and distributed large-batch training strategies, and is…

最优化与控制 · 数学 2020-10-21 Mingrui Liu , Wei Zhang , Youssef Mroueh , Xiaodong Cui , Jerret Ross , Tianbao Yang , Payel Das

Generative adversarial networks (GANs) are successful deep generative models. GANs are based on a two-player minimax game. However, the objective function derived in the original motivation is changed to obtain stronger gradients when…

机器学习 · 统计学 2016-11-10 Masatoshi Uehara , Issei Sato , Masahiro Suzuki , Kotaro Nakayama , Yutaka Matsuo

Generative adversarial networks (GAN) approximate a target data distribution by jointly optimizing an objective function through a "two-player game" between a generator and a discriminator. Despite their empirical success, however, two very…

机器学习 · 计算机科学 2017-05-30 Shuang Liu , Olivier Bousquet , Kamalika Chaudhuri

In this article, we study the problem of high-dimensional conditional independence testing, a key building block in statistics and machine learning. We propose an inferential procedure based on double generative adversarial networks (GANs).…

机器学习 · 统计学 2021-11-08 Chengchun Shi , Tianlin Xu , Wicher Bergsma , Lexin Li

A Triangle Generative Adversarial Network ($\Delta$-GAN) is developed for semi-supervised cross-domain joint distribution matching, where the training data consists of samples from each domain, and supervision of domain correspondence is…

机器学习 · 计算机科学 2017-11-21 Zhe Gan , Liqun Chen , Weiyao Wang , Yunchen Pu , Yizhe Zhang , Hao Liu , Chunyuan Li , Lawrence Carin