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Semi-supervised learning methods using Generative Adversarial Networks (GANs) have shown promising empirical success recently. Most of these methods use a shared discriminator/classifier which discriminates real examples from fake while…

Machine Learning · Computer Science 2018-06-13 Abhishek Kumar , Prasanna Sattigeri , P. Thomas Fletcher

There has recently been a steady increase in the number iterative approaches to density estimation. However, an accompanying burst of formal convergence guarantees has not followed; all results pay the price of heavy assumptions which are…

Machine Learning · Computer Science 2018-06-19 Zac Cranko , Richard Nock

Imbalanced regression arises when the target distribution is skewed, causing models to focus on dense regions and struggle with underrepresented (minority) samples. Despite its relevance across many applications, few methods have been…

Machine Learning · Computer Science 2025-08-05 Shayan Alahyari , Shiva Mehdipour Ghobadlou , Mike Domaratzki

Generative Adversarial Networks (GANs) is a powerful family of models that learn an underlying distribution to generate synthetic data. Many existing studies of GANs focus on improving the realness of the generated image data for visual…

Machine Learning · Computer Science 2021-11-04 Si-An Chen , Chun-Liang Li , Hsuan-Tien Lin

Given the versatility of generative adversarial networks (GANs), we seek to understand the benefits gained from using an existing GAN to enhance simulated images and reduce the sim-to-real gap. We conduct an analysis in the context of…

Robotics · Computer Science 2022-09-15 Asher Elmquist , Radu Serban , Dan Negrut

Recent advances in Generative Adversarial Networks (GANs) have led to their widespread adoption for the purposes of generating high quality synthetic imagery. While capable of generating photo-realistic images, these models often produce…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Terrance DeVries , Michal Drozdzal , Graham W. Taylor

Measuring biases of vision systems with respect to protected attributes like gender and age is critical as these systems gain widespread use in society. However, significant correlations between attributes in benchmark datasets make it…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Chandan Singh , Guha Balakrishnan , Pietro Perona

The fact that image datasets are often imbalanced poses an intense challenge for deep learning techniques. In this paper, we propose a method to restore the balance in imbalanced images, by coalescing two concurrent methods, generative…

Machine Learning · Computer Science 2020-04-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Linlin Shen , Abdul Hamid Sadka , Jie Yang

Generative adversarial networks have achieved remarkable performance on various tasks but suffer from training instability. Despite many training strategies proposed to improve training stability, this issue remains as a challenge. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Faqiang Liu , Mingkun Xu , Guoqi Li , Jing Pei , Luping Shi , Rong Zhao

Research on generalization bounds for deep networks seeks to give ways to predict test error using just the training dataset and the network parameters. While generalization bounds can give many insights about architecture design, training…

Machine Learning · Computer Science 2022-03-21 Yi Zhang , Arushi Gupta , Nikunj Saunshi , Sanjeev Arora

Generative adversarial network (GAN) is among the most popular deep learning models for learning complex data distributions. However, training a GAN is known to be a challenging task. This is often attributed to the lack of correlation…

Machine Learning · Computer Science 2020-12-15 Sahil Sidheekh , Aroof Aimen , Vineet Madan , Narayanan C. Krishnan

Due to the lack of available annotated medical images, accurate computer-assisted diagnosis requires intensive Data Augmentation (DA) techniques, such as geometric/intensity transformations of original images; however, those transformed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

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…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Simon Jenni , Paolo Favaro

In this paper, we propose a new framework for mitigating biases in machine learning systems. The problem of the existing mitigation approaches is that they are model-oriented in the sense that they focus on tuning the training algorithms to…

Machine Learning · Computer Science 2019-05-27 Adel Abusitta , Esma Aïmeur , Omar Abdel Wahab

Realistic synthetic time series data of sufficient length enables practical applications in time series modeling tasks, such as forecasting, but remains a challenge. In this paper we present PSA-GAN, a generative adversarial network (GAN)…

Data augmentations have been widely studied to improve the accuracy and robustness of classifiers. However, the potential of image augmentation in improving GAN models for image synthesis has not been thoroughly investigated in previous…

Machine Learning · Computer Science 2020-06-05 Zhengli Zhao , Zizhao Zhang , Ting Chen , Sameer Singh , Han Zhang

Training of Generative Adversarial Networks (GANs) is notoriously fragile, requiring to maintain a careful balance between the generator and the discriminator in order to perform well. To mitigate this issue we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Dan Zhang , Anna Khoreva

Generative adversarial networks (GANs) are pow- erful generative models based on providing feed- back to a generative network via a discriminator network. However, the discriminator usually as- sesses individual samples. This prevents the…

Machine Learning · Computer Science 2018-06-20 Thomas Lucas , Corentin Tallec , Jakob Verbeek , Yann Ollivier

Recent improvements in Generative Adversarial Neural Networks (GANs) have shown their ability to generate higher quality samples as well as to learn good representations for transfer learning. Most of the representation learning methods…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Kazi Nazmul Haque , Rajib Rana , John H. L. Hansen , Björn Schuller

Despite an impressive performance from the latest GAN for generating hyper-realistic images, GAN discriminators have difficulty evaluating the quality of an individual generated sample. This is because the task of evaluating the quality of…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 Xiru Zhu , Fengdi Che , Tianzi Yang , Tzuyang Yu , David Meger , Gregory Dudek