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Area of image inpainting over relatively large missing regions recently advanced substantially through adaptation of dedicated deep neural networks. However, current network solutions still introduce undesired artifacts and noise to the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Ugur Demir , Gozde Unal

Simulations of the dark matter distribution throughout the Universe are essential in order to analyse data from cosmological surveys. $N$-body simulations are computationally expensive, and many cheaper alternatives (such as lognormal…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-07 Prabh Bhambra , Benjamin Joachimi , Ofer Lahav , Davide Piras

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…

Instrumentation and Methods for Astrophysics · Physics 2019-03-12 David M. Reiman , Brett E. Göhre

Generative Adversarial Networks (GANs) are a class of artificial neural network that can produce realistic, but artificial, images that resemble those in a training set. In typical GAN architectures these images are small, but a variant…

Instrumentation and Methods for Astrophysics · Physics 2019-11-06 Michael J. Smith , James E. Geach

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Generative adversarial networks (GANs) are well known for their unsupervised learning capabilities. A recent success in the field of astronomy is deblending two overlapping galaxy images via a branched GAN model. However, it remains a…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Heyi Li , Yuewei Lin , Klaus Mueller , Wei Xu

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

Accurate segmentation of power lines in various aerial images is very important for UAV flight safety. The complex background and very thin structures of power lines, however, make it an inherently difficult task in computer vision. This…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Rabab Abdelfattah , Xiaofeng Wang , Song Wang

This paper addresses the automatic colorization problem, which converts a gray-scale image to a colorized one. Recent deep-learning approaches can colorize automatically grayscale images. However, when it comes to different scenes which…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Youssef Mourchid , Marc Donias , Yannick Berthoumieu , Mohamed Najim

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

Single image super-resolution (SISR) has played an important role in the field of image processing. Recent generative adversarial networks (GANs) can achieve excellent results on low-resolution images. However, there are little literatures…

Image and Video Processing · Electrical Eng. & Systems 2026-01-14 Ziang Wu , Xuanyu Zhang , Yinbo Yu , Qi Zhu , Jerry Chun-Wei Lin , Chunwei Tian

In everyday life, photographs taken with a camera often suffer from motion blur due to hand vibrations or sudden movements. This phenomenon can significantly detract from the quality of the images captured, making it an interesting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Zhengdong Li

We present a composite machine learning framework to estimate posterior probability distributions of bulge-to-total light ratio, half-light radius, and flux for Active Galactic Nucleus (AGN) host galaxies within $z<1.4$ and $m<23$ in the…

We address the problem of finding realistic geometric corrections to a foreground object such that it appears natural when composited into a background image. To achieve this, we propose a novel Generative Adversarial Network (GAN)…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Chen-Hsuan Lin , Ersin Yumer , Oliver Wang , Eli Shechtman , Simon Lucey

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

In semiconductor manufacturing, the wafer dicing process is central yet vulnerable to defects that significantly impair yield - the proportion of defect-free chips. Deep neural networks are the current state of the art in (semi-)automated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zhining Hu , Tobias Schlosser , Michael Friedrich , André Luiz Vieira e Silva , Frederik Beuth , Danny Kowerko

Generative adversarial networks (GANs) are a class of generative models with two antagonistic neural networks: a generator and a discriminator. These two neural networks compete against each other through an adversarial process that can be…

Machine Learning · Computer Science 2021-05-24 Barbara Franci , Sergio Grammatico

This work studies training generative adversarial networks under the federated learning setting. Generative adversarial networks (GANs) have achieved advancement in various real-world applications, such as image editing, style transfer,…

Machine Learning · Computer Science 2020-07-21 Chenyou Fan , Ping Liu

Generative Adversarial Networks (GANs) have shown remarkable performance in image synthesis tasks, but typically require a large number of training samples to achieve high-quality synthesis. This paper proposes a simple and effective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Esther Robb , Wen-Sheng Chu , Abhishek Kumar , Jia-Bin Huang

Aims. We present an innovative artificial neural network (ANN) architecture, called Generative ANN (GANN), that computes the forward model, that is it learns the function that relates the unknown outputs (stellar atmospheric parameters, in…

Instrumentation and Methods for Astrophysics · Physics 2016-10-19 C. Dafonte , D. Fustes , M. Manteiga , D. Garabato , M. A. Alvarez , A. Ulla , C. Allende Prieto