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Generative Adversarial Networks (GANs) have brought about rapid progress towards generating photorealistic images. Yet the equitable allocation of their modeling capacity among subgroups has received less attention, which could lead to…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Ning Yu , Ke Li , Peng Zhou , Jitendra Malik , Larry Davis , Mario Fritz

Solving inverse problems in scientific and engineering fields has long been intriguing and holds great potential for many applications, yet most techniques still struggle to address issues such as high dimensionality, nonlinearity and model…

Machine Learning · Computer Science 2024-05-24 Qiuyi Chen , Panagiotis Tsilifis , Mark Fuge

We consider the problem of training generative models with a Generative Adversarial Network (GAN). Although GANs can accurately model complex distributions, they are known to be difficult to train due to instabilities caused by a difficult…

Machine Learning · Computer Science 2017-06-13 Paulina Grnarova , Kfir Y. Levy , Aurelien Lucchi , Thomas Hofmann , Andreas Krause

Generative adversarial networks (GANs) have drawn enormous attention due to the simple yet effective training mechanism and superior image generation quality. With the ability to generate photo-realistic high-resolution (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Ming Liu , Yuxiang Wei , Xiaohe Wu , Wangmeng Zuo , Lei Zhang

Predictive process monitoring aims to predict future characteristics of an ongoing process case, such as case outcome or remaining timestamp. Recently, several predictive process monitoring methods based on deep learning such as Long…

Machine Learning · Computer Science 2020-04-02 Farbod Taymouri , Marcello La Rosa , Sarah Erfani , Zahra Dasht Bozorgi , Ilya Verenich

Generative learning generates high dimensional data based on low dimensional conditions, also called prompts. Therefore, generative learning algorithms are eligible for solving (Bayesian) inverse problems. In this article we compare a…

Machine Learning · Computer Science 2026-02-02 Patrick Krüger , Patrick Materne , Werner Krebs , Hanno Gottschalk

This paper studies generative adversarial networks (GANs) from the perspective of statistical inference. A GAN is a popular machine learning method in which the parameters of two neural networks, a generator and a discriminator, are…

Statistics Theory · Mathematics 2023-12-06 Mika Meitz

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

An open secret in contemporary machine learning is that many models work beautifully on standard benchmarks but fail to generalize outside the lab. This has been attributed to biased training data, which provide poor coverage over real…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Ali Jahanian , Lucy Chai , Phillip Isola

Generative Adversarial Networks have become one of the most studied frameworks for unsupervised learning due to their intuitive formulation. They have also been shown to be capable of generating convincing examples in limited domains, such…

Machine Learning · Computer Science 2016-12-14 Daniel Jiwoong Im , He Ma , Chris Dongjoo Kim , Graham Taylor

A Generative Adversarial Network (GAN) with generator $G$ trained to model the prior of images has been shown to perform better than sparsity-based regularizers in ill-posed inverse problems. Here, we propose a new method of deploying a…

Machine Learning · Computer Science 2019-10-25 Ankit Raj , Yuqi Li , Yoram Bresler

Generative adversarial networks (GANs) synthesize realistic images from a random latent vector. While many studies have explored various training configurations and architectures for GANs, the problem of inverting a generative model to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Nicky Bayat , Vahid Reza Khazaie , Yalda Mohsenzadeh

Reliable training of generative adversarial networks (GANs) typically require massive datasets in order to model complicated distributions. However, in several applications, training samples obey invariances that are \textit{a priori}…

Adversarial attacks on image classification systems have always been an important problem in the field of machine learning, and generative adversarial networks (GANs), as popular models in the field of image generation, have been widely…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Yahe Yang

Limited angle CT reconstruction is an under-determined linear inverse problem that requires appropriate regularization techniques to be solved. In this work we study how pre-trained generative adversarial networks (GANs) can be used to…

Image and Video Processing · Electrical Eng. & Systems 2020-01-30 Rushil Anirudh , Hyojin Kim , Jayaraman J. Thiagarajan , K. Aditya Mohan , Kyle M. Champley

Generative Adversarial Networks (GANs) advance face synthesis through learning the underlying distribution of observed data. Despite the high-quality generated faces, some minority groups can be rarely generated from the trained models due…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Shuhan Tan , Yujun Shen , Bolei Zhou

Deep neural networks have been shown to perform well in many classical machine learning problems, especially in image classification tasks. However, researchers have found that neural networks can be easily fooled, and they are surprisingly…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Huaxia Wang , Chun-Nam Yu

We present an alternative perspective on the training of generative adversarial networks (GANs), showing that the training step for a GAN generator decomposes into two implicit subproblems. In the first, the discriminator provides new…

Machine Learning · Computer Science 2021-05-13 Romann M. Weber

Generative adversarial networks (GAN) are a powerful subclass of generative models. Despite a very rich research activity leading to numerous interesting GAN algorithms, it is still very hard to assess which algorithm(s) perform better than…

Machine Learning · Statistics 2018-10-30 Mario Lucic , Karol Kurach , Marcin Michalski , Sylvain Gelly , Olivier Bousquet

Modelling in finance is a challenging task: the data often has complex statistical properties and its inner workings are largely unknown. Deep learning algorithms are making progress in the field of data-driven modelling, but the lack of…

Computational Finance · Quantitative Finance 2021-07-07 Florian Eckerli , Joerg Osterrieder