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While generative adversarial networks (GAN) have been widely adopted in various topics, in this paper we generalize the standard GAN to a new perspective by treating realness as a random variable that can be estimated from multiple angles.…

Machine Learning · Computer Science 2020-02-14 Yuanbo Xiangli , Yubin Deng , Bo Dai , Chen Change Loy , Dahua Lin

We introduce the Probabilistic Generative Adversarial Network (PGAN), a new GAN variant based on a new kind of objective function. The central idea is to integrate a probabilistic model (a Gaussian Mixture Model, in our case) into the GAN…

Machine Learning · Computer Science 2017-08-08 Hamid Eghbal-zadeh , Gerhard Widmer

Though recent research has achieved remarkable progress in generating realistic images with generative adversarial networks (GANs), the lack of training stability is still a lingering concern of most GANs, especially on high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Runmin Wu , Kunyao Zhang , Lijun Wang , Yue Wang , Pingping Zhang , Huchuan Lu , Yizhou Yu

In this paper, we propose ComGAN(ComparativeGAN) which allows the generator in GANs to refer to the semantics of comparative samples(e.g. real data) by comparison. ComGAN generalizes relativistic GANs by using arbitrary architecture and…

Machine Learning · Computer Science 2023-04-25 Haeone Lee

Generative adversarial networks (GANs) are powerful generative models, but usually suffer from instability and generalization problem which may lead to poor generations. Most existing works focus on stabilizing the training of the…

Machine Learning · Computer Science 2020-04-29 Shufei Zhang , Zhuang Qian , Kaizhu Huang , Jimin Xiao , Yuan He

Generative adversarial nets (GANs) have been remarkably successful at learning to sample from distributions specified by a given dataset, particularly if the given dataset is reasonably large compared to its dimensionality. However, given…

Machine Learning · Computer Science 2022-11-29 Tiantian Fang , Ruoyu Sun , Alex Schwing

To improve the stability of GAN training we need to understand why they can produce realistic samples. Presently, this is attributed to properties of the divergence obtained under an optimal discriminator. This argument has a fundamental…

Machine Learning · Computer Science 2020-11-03 Florian Schäfer , Hongkai Zheng , Anima Anandkumar

Generative Adversarial Networks (GANs) have shown great promise in modeling high dimensional data. The learning objective of GANs usually minimizes some measure discrepancy, \textit{e.g.}, $f$-divergence~($f$-GANs) or Integral Probability…

Machine Learning · Computer Science 2020-04-07 Yuxuan Song , Qiwei Ye , Minkai Xu , Tie-Yan Liu

Training generative adversarial networks is unstable in high-dimensions as the true data distribution tends to be concentrated in a small fraction of the ambient space. The discriminator is then quickly able to classify nearly all generated…

Machine Learning · Computer Science 2018-06-26 Behnam Neyshabur , Srinadh Bhojanapalli , Ayan Chakrabarti

We propose the HumanGAN, a generative adversarial network (GAN) incorporating human perception as a discriminator. A basic GAN trains a generator to represent a real-data distribution by fooling the discriminator that distinguishes real and…

Sound · Computer Science 2019-09-26 Kazuki Fujii , Yuki Saito , Shinnosuke Takamichi , Yukino Baba , Hiroshi Saruwatari

Generative Adversarial Networks (GANs) have emerged as useful generative models, which are capable of implicitly learning data distributions of arbitrarily complex dimensions. However, the training of GANs is empirically well-known for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Cuong V. Nguyen , Tien-Dung Cao , Tram Truong-Huu , Khanh N. Pham , Binh T. Nguyen

This paper provides a more rigorous look at Relativistic Generative Adversarial Networks (RGANs). We prove that the objective function of the discriminator is a statistical divergence for any concave function $f$ with minimal properties…

Machine Learning · Computer Science 2019-01-10 Alexia Jolicoeur-Martineau

In many anomaly detection tasks, where anomalous data rarely appear and are difficult to collect, training using only normal data is important. Although it is possible to manually create anomalous data using prior knowledge, they may be…

Machine Learning · Computer Science 2022-05-10 Hironori Murase , Kenji Fukumizu

Conditional Generative Adversarial Networks (cGANs) extend the standard unconditional GAN framework to learning joint data-label distributions from samples, and have been established as powerful generative models capable of generating…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Ligong Han , Martin Renqiang Min , Anastasis Stathopoulos , Yu Tian , Ruijiang Gao , Asim Kadav , Dimitris Metaxas

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…

Machine Learning · Statistics 2018-07-12 Mehdi S. M. Sajjadi , Giambattista Parascandolo , Arash Mehrjou , Bernhard Schölkopf

Traditional generative adversarial networks (GAN) and many of its variants are trained by minimizing the KL or JS-divergence loss that measures how close the generated data distribution is from the true data distribution. A recent advance…

Computer Vision and Pattern Recognition · Computer Science 2017-04-18 Felix Juefei-Xu , Vishnu Naresh Boddeti , Marios Savvides

Generative adversarial networks (GANs) have achieved remarkable progress in the natural image field. However, when applying GANs in the remote sensing (RS) image generation task, an extraordinary phenomenon is observed: the GAN model is…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Xingzhe Su , Wenwen Qiang , Jie Hu , Fengge Wu , Changwen Zheng , Fuchun Sun

Multi-domain image-to-image translation with conditional Generative Adversarial Networks (GANs) can generate highly photo realistic images with desired target classes, yet these synthetic images have not always been helpful to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Suman Sapkota , Bidur Khanal , Binod Bhattarai , Bishesh Khanal , Tae-Kyun Kim

Generative adversarial network (GAN) has become one of the most important neural network models for classical unsupervised machine learning. A variety of discriminator loss functions have been developed to train GAN's discriminators and…

Machine Learning · Computer Science 2021-05-31 Vasily Zadorozhnyy , Qiang Cheng , Qiang Ye

We study two important concepts in adversarial deep learning---adversarial training and generative adversarial network (GAN). Adversarial training is the technique used to improve the robustness of discriminator by combining adversarial…

Machine Learning · Computer Science 2019-04-17 Xuanqing Liu , Cho-Jui Hsieh
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