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Generating images via the generative adversarial network (GAN) has attracted much attention recently. However, most of the existing GAN-based methods can only produce low-resolution images of limited quality. Directly generating…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Yong Guo , Qi Chen , Jian Chen , Qingyao Wu , Qinfeng Shi , Mingkui Tan

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

In this work, we investigate the capacity of Generative Adversarial Networks (GANs) in interpolating and extrapolating facies proportions in a geological dataset. The new generated realizations with unrepresented (aka. missing) proportions…

机器学习 · 计算机科学 2022-05-12 Alhasan Abdellatif , Ahmed H. Elsheikh , Gavin Graham , Daniel Busby , Philippe Berthet

Detecting fake images is becoming a major goal of computer vision. This need is becoming more and more pressing with the continuous improvement of synthesis methods based on Generative Adversarial Networks (GAN), and even more with the…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Riccardo Corvi , Davide Cozzolino , Giovanni Poggi , Koki Nagano , Luisa Verdoliva

As the success of Generative Adversarial Networks (GANs) on natural images quickly propels them into various real-life applications across different domains, it becomes more and more important to clearly understand their limitations.…

机器学习 · 计算机科学 2020-12-21 Mahyar Khayatkhoei , Ahmed Elgammal

Near-future large galaxy surveys will encounter blended galaxy images at a fraction of up to 50% in the densest regions of the universe. Current deblending techniques may segment the foreground galaxy while leaving missing pixel intensities…

天体物理仪器与方法 · 物理学 2019-03-12 David M. Reiman , Brett E. Göhre

Generative Adversarial Networks (GAN) have demonstrated impressive results in modeling the distribution of natural images, learning latent representations that capture semantic variations in an unsupervised basis. Beyond the generation of…

计算机视觉与模式识别 · 计算机科学 2019-11-14 Marcos Pividori , Guillermo L. Grinblat , Lucas C. Uzal

Generative Adversarial Networks (GANs) have shown impressive performance in generating photo-realistic images. They fit generative models by minimizing certain distance measure between the real image distribution and the generated data…

机器学习 · 计算机科学 2017-09-29 Jianbo Guo , Guangxiang Zhu , Jian Li

Many deep generative models are defined as a push-forward of a Gaussian measure by a continuous generator, such as Generative Adversarial Networks (GANs) or Variational Auto-Encoders (VAEs). This work explores the latent space of such deep…

机器学习 · 计算机科学 2023-05-16 Thibaut Issenhuth , Ugo Tanielian , Jérémie Mary , David Picard

The advent of generative adversarial networks (GAN) has enabled new capabilities in synthesis, interpolation, and data augmentation heretofore considered very challenging. However, one of the common assumptions in most GAN architectures is…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Rajhans Singh , Pavan Turaga , Suren Jayasuriya , Ravi Garg , Martin W. Braun

The Generative Adversarial Network (GAN) is a state-of-the-art technique in the field of deep learning. A number of recent papers address the theory and applications of GANs in various fields of image processing. Fewer studies, however,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Shuyue Guan , Murray Loew

Images synthesized by powerful generative adversarial network (GAN) based methods have drawn moral and privacy concerns. Although image forensic models have reached great performance in detecting fake images from real ones, these models can…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Dongze Li , Wei Wang , Hongxing Fan , Jing Dong

We present a comparison of the properties of galaxies in the most underdense regions of the Universe, where the galaxy number density is less than 10% of the mean density, with galaxies from more typical regions. We have compiled a sample…

天体物理学 · 物理学 2009-11-11 Santiago G. Patiri , Francisco Prada , Jon Holtzman , Anatoly Klypin , Juan Betancort-Rijo

Despite the recency of their conception, Generative Adversarial Networks (GANs) constitute an extensively researched machine learning sub-field for the creation of synthetic data through deep generative modeling. GANs have consequently been…

网络与互联网体系结构 · 计算机科学 2021-05-11 Hojjat Navidan , Parisa Fard Moshiri , Mohammad Nabati , Reza Shahbazian , Seyed Ali Ghorashi , Vahid Shah-Mansouri , David Windridge

We introduce a simple model for the formation of voids. In this model the underdensity of galaxies in voids is the product of two factors. The first arises from a gravitational expansion of the negative density perturbation. The second is…

天体物理学 · 物理学 2009-10-31 Yasmin Friedmann , Tsvi Piran

Generative Adversarial Networks (GANs) have shown impressive results in various image synthesis tasks. Vast studies have demonstrated that GANs are more powerful in feature and expression learning compared to other generative models and…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Omar De Mitri , Ruyu Wang , Marco F. Huber

Generative adversarial networks (GANs) have proven to be surprisingly efficient for image editing by inverting and manipulating the latent code corresponding to a natural image. This property emerges from the disentangled nature of the…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Mustafa Shukor , Xu Yao , Bharath Bhushan Damodaran , Pierre Hellier

The Generator of a Generative Adversarial Network (GAN) is trained to transform latent vectors drawn from a prior distribution into realistic looking photos. These latent vectors have been shown to encode information about the content of…

机器学习 · 计算机科学 2018-10-10 Nicholas Egan , Jeffrey Zhang , Kevin Shen

We investigate the properties of voids and void galaxies in the \texttt{TNG300} simulation. Using a luminous galaxy catalog and a spherical void finding algorithm, we identify 5,078 voids at redshift $z = 0$. Within the voids, mass does not…

星系天体物理 · 物理学 2024-01-05 Olivia Curtis , Bryanne McDonough , Tereasa G. Brainerd

Generative Adversarial Networks (GAN) have received wide attention in the machine learning field for their potential to learn high-dimensional, complex real data distribution. Specifically, they do not rely on any assumptions about the…

机器学习 · 计算机科学 2019-03-01 Yongjun Hong , Uiwon Hwang , Jaeyoon Yoo , Sungroh Yoon