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Related papers: Improved Training of Wasserstein GANs

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Lack of ground-truth MR images impedes the common supervised training of neural networks for image reconstruction. To cope with this challenge, this paper leverages unpaired adversarial training for reconstruction networks, where the inputs…

Image and Video Processing · Electrical Eng. & Systems 2021-05-14 Ke Lei , Morteza Mardani , John M. Pauly , Shreyas S. Vasanawala

Generative Adversarial Networks (GANs) are commonly used for modeling complex distributions of data. Both the generators and discriminators of GANs are often modeled by neural networks, posing a non-transparent optimization problem which is…

Machine Learning · Computer Science 2022-03-22 Arda Sahiner , Tolga Ergen , Batu Ozturkler , Burak Bartan , John Pauly , Morteza Mardani , Mert Pilanci

In this paper, we investigate the underlying factor that leads to failure and success in the training of GANs. We study the property of the optimal discriminative function and show that in many GANs, the gradient from the optimal…

Machine Learning · Computer Science 2018-12-27 Zhiming Zhou , Yuxuan Song , Lantao Yu , Hongwei Wang , Jiadong Liang , Weinan Zhang , Zhihua Zhang , Yong Yu

In this paper, we propose a generative model, Temporal Generative Adversarial Nets (TGAN), which can learn a semantic representation of unlabeled videos, and is capable of generating videos. Unlike existing Generative Adversarial Nets…

Machine Learning · Computer Science 2017-08-21 Masaki Saito , Eiichi Matsumoto , Shunta Saito

Generative Adversarial Networks (GANs) have demonstrated their versatility across various applications, including data augmentation and malware detection. This research explores the effectiveness of utilizing GAN-generated data to train a…

Cryptography and Security · Computer Science 2024-03-06 Kawana Stalin , Mikias Berhanu Mekoya

Recent advances in Generative Adversarial Networks (GANs) have demonstrated their capability for producing high-quality images. However, a significant challenge remains mode collapse, which occurs when the generator produces a limited…

Machine Learning · Computer Science 2025-03-26 Osman Goni , Himadri Saha Arka , Mithun Halder , Mir Moynuddin Ahmed Shibly , Swakkhar Shatabda

Generative adversarial networks (GANs) can implicitly learn rich distributions over images, audio, and data which are hard to model with an explicit likelihood. We present a practical Bayesian formulation for unsupervised and…

Machine Learning · Statistics 2017-11-09 Yunus Saatchi , Andrew Gordon Wilson

In recent studies, Generative Adversarial Network (GAN) is one of the popular schemes to augment the image dataset. However, in our study we find the generator G in the GAN fails to generate numerical data in lower-dimensional spaces, and…

Machine Learning · Computer Science 2020-10-27 Wei Wang , Yimeng Chai , Tao Cui , Chuang Wang , Baohua Zhang , Yue Li , Yi An

Generative Adversarial Networks (GANs) have shown promise in augmenting datasets and boosting convolutional neural networks' (CNN) performance on image classification tasks. But they introduce more hyperparameters to tune as well as the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Amil Dravid , Florian Schiffers , Yunan Wu , Oliver Cossairt , Aggelos K. Katsaggelos

We are interested in the design of generative networks. The training of these mathematical structures is mostly performed with the help of adversarial (min-max) optimization problems. We propose a simple methodology for constructing such…

Machine Learning · Computer Science 2021-07-16 Kalliopi Basioti , George V. Moustakides

We propose a stable method to train Wasserstein generative adversarial networks. In order to enhance stability, we consider two objective functions using the $c$-transform based on Kantorovich duality which arises in the theory of optimal…

Machine Learning · Computer Science 2021-10-28 Dohyun Kwon , Yeoneung Kim , Guido Montúfar , Insoon Yang

Unsupervised learning with generative adversarial networks (GANs) has proven to be hugely successful. Regular GANs hypothesize the discriminator as a classifier with the sigmoid cross entropy loss function. However, we found that this loss…

Computer Vision and Pattern Recognition · Computer Science 2018-09-24 Xudong Mao , Qing Li , Haoran Xie , Raymond Y. K. Lau , Zhen Wang , Stephen Paul Smolley

Generative adversarial networks (GANs) are a novel approach to generative modelling, a task whose goal it is to learn a distribution of real data points. They have often proved difficult to train: GANs are unlike many techniques in machine…

Machine Learning · Computer Science 2018-07-02 Samuel A. Barnett

Generative Adversarial Networks (GANs) have been shown to produce realistically looking synthetic images with remarkable success, yet their performance seems less impressive when the training set is highly diverse. In order to provide a…

Machine Learning · Computer Science 2018-08-31 Matan Ben-Yosef , Daphna Weinshall

Optimizing the discriminator in Generative Adversarial Networks (GANs) to completion in the inner training loop is computationally prohibitive, and on finite datasets would result in overfitting. To address this, a common update strategy is…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Xu Ouyang , Gady Agam

Due to the outstanding capability for data generation, Generative Adversarial Networks (GANs) have attracted considerable attention in unsupervised learning. However, training GANs is difficult, since the training distribution is dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Haozhe Liu , Wentian Zhang , Bing Li , Haoqian Wu , Nanjun He , Yawen Huang , Yuexiang Li , Bernard Ghanem , Yefeng Zheng

Generative Adversarial Networks (GANs) have become a powerful framework to learn generative models that arise across a wide variety of domains. While there has been a recent surge in the development of numerous GAN architectures with…

Information Theory · Computer Science 2019-08-13 Jaewoong Cho , Changho Suh

Generative models and in particular Generative Adversarial Networks (GANs) have become very popular and powerful data generation tool. In recent years, major progress has been made in extending this concept into the quantum realm. However,…

Quantum Physics · Physics 2023-09-19 Wiktor Jurasz , Christian B. Mendl

Conditional Generative Adversarial Networks are known to be difficult to train, especially when the conditions are continuous and high-dimensional. To partially alleviate this difficulty, we propose a simple generator regularization term on…

Machine Learning · Computer Science 2021-03-30 Yufeng Zheng , Yunkai Zhang , Zeyu Zheng

Generative adversarial networks are a class of generative algorithms that have been widely used to produce state-of-the-art samples. In this paper, we investigate GAN to perform anomaly detection on time series dataset. In order to achieve…

Machine Learning · Statistics 2018-12-12 Ilyass Haloui , Jayant Sen Gupta , Vincent Feuillard