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Generative Adversarial Networks have been crucial in the developments made in unsupervised learning in recent times. Exemplars of image synthesis from text or other images, these networks have shown remarkable improvements over conventional…

机器学习 · 计算机科学 2019-09-02 Rohan Akut , Sumukh Marathe , Rucha Apte , Ishan Joshi , Siddhivinayak Kulkarni

Weak gravitational lensing mass maps play a crucial role in understanding the evolution of structures in the universe and our ability to constrain cosmological models. The prediction of these mass maps is based on expensive N-body…

宇宙学与河外天体物理 · 物理学 2021-05-07 Nathanaël Perraudin , Sandro Marcon , Aurelien Lucchi , Tomasz Kacprzak

In this paper, we explore the possibility of generating artificial biomedical images that can be used as a substitute for real image datasets in applied machine learning tasks. We are focusing on generation of realistic chest X-ray images…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Vassili Kovalev , Siarhei Kazlouski

Classification of galactic morphologies is a crucial task in galactic astronomy, and identifying fine structures of galaxies (e.g., spiral arms, bars, and clumps) is an essential ingredient in such a classification task. However, seeing…

天体物理仪器与方法 · 物理学 2021-03-30 Fang Kai Gan , Kenji Bekki , Abdolhosein Hashemizadeh

One of the most significant challenges in statistical signal processing and machine learning is how to obtain a generative model that can produce samples of large-scale data distribution, such as images and speeches. Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Pegah Salehi , Abdolah Chalechale , Maryam Taghizadeh

Deep generative models including generative adversarial networks (GANs) are powerful unsupervised tools in learning the distributions of data sets. Building a simple GAN architecture in PyTorch and training on the CANDELS data set, we…

Images posted online present a privacy concern in that they may be used as reference examples for a facial recognition system. Such abuse of images is in violation of privacy rights but is difficult to counter. It is well established that…

计算机视觉与模式识别 · 计算机科学 2022-05-09 Andrew Merrigan , Alan F. Smeaton

We present a variety of new architectural features and training procedures that we apply to the generative adversarial networks (GANs) framework. We focus on two applications of GANs: semi-supervised learning, and the generation of images…

机器学习 · 计算机科学 2016-06-14 Tim Salimans , Ian Goodfellow , Wojciech Zaremba , Vicki Cheung , Alec Radford , Xi Chen

Building footprint information is an essential ingredient for 3-D reconstruction of urban models. The automatic generation of building footprints from satellite images presents a considerable challenge due to the complexity of building…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Yilei Shi , Qingyu Li , Xiao Xiang Zhu

Generative modeling over natural images is one of the most fundamental machine learning problems. However, few modern generative models, including Wasserstein Generative Adversarial Nets (WGANs), are studied on manifold-valued images that…

计算机视觉与模式识别 · 计算机科学 2019-01-04 Zhiwu Huang , Jiqing Wu , Luc Van Gool

In recent years, the use of deep learning is becoming increasingly popular in computer vision. However, the effective training of deep architectures usually relies on huge sets of annotated data. This is critical in the medical field where…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Paolo Andreini , Simone Bonechi , Monica Bianchini , Alessandro Mecocci , Franco Scarselli , Andrea Sodi

One way to expand the available dataset for training AI models in the medical field is through the use of Generative Adversarial Networks (GANs) for data augmentation. GANs work by employing a generator network to create new data samples…

We present a new method for synthesizing high-resolution photo-realistic images from semantic label maps using conditional generative adversarial networks (conditional GANs). Conditional GANs have enabled a variety of applications, but the…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Ting-Chun Wang , Ming-Yu Liu , Jun-Yan Zhu , Andrew Tao , Jan Kautz , Bryan Catanzaro

We construct realistic equity option market simulators based on generative adversarial networks (GANs). We consider recurrent and temporal convolutional architectures, and assess the impact of state compression. Option market simulators are…

计算金融 · 定量金融 2020-04-21 Magnus Wiese , Lianjun Bai , Ben Wood , Hans Buehler

Observations of astrophysical objects such as galaxies are limited by various sources of random and systematic noise from the sky background, the optical system of the telescope and the detector used to record the data. Conventional…

天体物理仪器与方法 · 物理学 2017-04-19 Kevin Schawinski , Ce Zhang , Hantian Zhang , Lucas Fowler , Gokula Krishnan Santhanam

Generative Adversarial Networks (GANs) became very popular for generation of realistically looking images. In this paper, we propose to use GANs to synthesize artificial financial data for research and benchmarking purposes. We test this…

机器学习 · 计算机科学 2020-02-07 Dmitry Efimov , Di Xu , Luyang Kong , Alexey Nefedov , Archana Anandakrishnan

In this paper, we explore the feasibility of using generative models, specifically Progressive Growing GANs (PG-GANs) and Stable Diffusion fine-tuning, to generate synthetic chest X-ray images for medical diagnosis purposes. Due to ethical…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Muhammad Danyal Malik , Danish Humair

Accurate and reliable photometric redshift determination is one of the key aspects for wide-field photometric surveys. Determination of photometric redshift for galaxies, has been traditionally solved by use of machine-learning and…

天体物理仪器与方法 · 物理学 2025-07-18 M. Garcia-Fernandez

The simulation of geological facies in an unobservable volume is essential in various geoscience applications. Given the complexity of the problem, deep generative learning is a promising approach to overcome the limitations of traditional…

地球物理 · 物理学 2024-03-05 Ferdinand Bhavsar , Nicolas Desassis , Fabien Ors , Thomas Romary

Generating realistic biometric images has been an interesting and, at the same time, challenging problem. Classical statistical models fail to generate realistic-looking fingerprint images, as they are not powerful enough to capture the…

计算机视觉与模式识别 · 计算机科学 2019-01-09 Shervin Minaee , Amirali Abdolrashidi