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Guided image super-resolution (GISR) aims to obtain a high-resolution (HR) target image by enhancing the spatial resolution of a low-resolution (LR) target image under the guidance of a HR image. However, previous model-based methods mainly…

Image and Video Processing · Electrical Eng. & Systems 2022-03-11 Man Zhou , Keyu Yan , Jinshan Pan , Wenqi Ren , Qi Xie , Xiangyong Cao

Optimal Transport, a theory for optimal allocation of resources, is widely used in various fields such as astrophysics, machine learning, and imaging science. However, many applications impose elementwise constraints on the transport plan…

Optimization and Control · Mathematics 2022-06-28 Zixuan Cang , Qing Nie , Yanxiang Zhao

Generative adversarial networks (GANs) have been widely used and have achieved competitive results in semi-supervised learning. This paper theoretically analyzes how GAN-based semi-supervised learning (GAN-SSL) works. We first prove that,…

Machine Learning · Statistics 2020-07-14 Xuejiao Liu , Xueshuang Xiang

Recently, much progress has been made in unsupervised denoising learning. However, existing methods more or less rely on some assumptions on the signal and/or degradation model, which limits their practical performance. How to construct an…

Image and Video Processing · Electrical Eng. & Systems 2022-04-29 Wei Wang , Fei Wen , Zeyu Yan , Peilin Liu

Generative adversarial networks (GANs) are neural networks that learn data distributions through adversarial training. In intensive studies, recent GANs have shown promising results for reproducing training images. However, in spite of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Takuhiro Kaneko , Tatsuya Harada

Generative Adversarial Networks (GANs) have been very successful for synthesizing the images in a given dataset. The artificially generated images by GANs are very realistic. The GANs have shown potential usability in several computer…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Shiv Ram Dubey , Satish Kumar Singh

Generative Adversarial Networks can learn the mapping of random noise to realistic images in a semi-supervised framework. This mapping ability can be used for semi-supervised image classification to detect images of an unknown class where…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Saman Motamed , Farzad Khalvati

Deep learning classifiers are now known to have flaws in the representations of their class. Adversarial attacks can find a human-imperceptible perturbation for a given image that will mislead a trained model. The most effective methods to…

Machine Learning · Computer Science 2021-05-19 Quentin Bouniot , Romaric Audigier , Angélique Loesch

Structures matter in single image super-resolution (SISR). Benefiting from generative adversarial networks (GANs), recent studies have promoted the development of SISR by recovering photo-realistic images. However, there are still undesired…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Cheng Ma , Yongming Rao , Jiwen Lu , Jie Zhou

Among the major remaining challenges for single image super resolution (SISR) is the capacity to recover coherent images with global shapes and local details conforming to human vision system. Recent generative adversarial network (GAN)…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Yuanzhuo Li , Yunan Zheng , Jie Chen , Zhenyu Xu , Yiguang Liu

This thesis analyzes the challenging problem of Image Deblurring based on classical theorems and state-of-art methods proposed in recent years. By spectral analysis we mathematically show the effective of spectral regularization methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Yuhong Lu , Nicholas Polydorides

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

Generative adversarial networks (GANs) are the state of the art in generative modeling. Unfortunately, most GAN methods are susceptible to mode collapse, meaning that they tend to capture only a subset of the modes of the true distribution.…

Machine Learning · Statistics 2019-07-10 Luca Ambrogioni , Umut Güçlü , Marcel van Gerven

Cross-domain alignment between two sets of entities (e.g., objects in an image, words in a sentence) is fundamental to both computer vision and natural language processing. Existing methods mainly focus on designing advanced attention…

Computation and Language · Computer Science 2020-07-28 Liqun Chen , Zhe Gan , Yu Cheng , Linjie Li , Lawrence Carin , Jingjing Liu

The popularity of high and ultra-high definition displays has led to the need for methods to improve the quality of videos already obtained at much lower resolutions. Current Video Super-Resolution methods are not robust to mismatch between…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Santiago López-Tapia , Alice Lucas , Rafael Molina , Aggelos K. Katsaggelos

Large-scale mobile traffic analytics is becoming essential to digital infrastructure provisioning, public transportation, events planning, and other domains. Monitoring city-wide mobile traffic is however a complex and costly process that…

Networking and Internet Architecture · Computer Science 2017-11-08 Chaoyun Zhang , Xi Ouyang , Paul Patras

The existing Zero-Shot learning (ZSL) methods may suffer from the vague class attributes that are highly overlapped for different classes. Unlike these methods that ignore the discrimination among classes, in this paper, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Zihan Ye , Fan Lyu , Linyan Li , Qiming Fu , Jinchang Ren , Fuyuan Hu

Single-image super-resolution refers to the reconstruction of a high-resolution image from a single low-resolution observation. Although recent deep learning-based methods have demonstrated notable success on simulated datasets -- with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Maciej Zyrek , Tomasz Tarasiewicz , Jakub Sadel , Aleksandra Krzywon , Michal Kawulok

Image super-resolution (SR) is a fast-moving field with novel architectures attracting the spotlight. However, most SR models were optimized with dated training strategies. In this work, we revisit the popular RCAN model and examine the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Zudi Lin , Prateek Garg , Atmadeep Banerjee , Salma Abdel Magid , Deqing Sun , Yulun Zhang , Luc Van Gool , Donglai Wei , Hanspeter Pfister

The optimal transport (OT) problem is a classical optimization problem having the form of linear programming. Machine learning applications put forward new computational challenges in its solution. In particular, the OT problem defines a…

Optimization and Control · Mathematics 2022-10-25 Nazarii Tupitsa , Pavel Dvurechensky , Darina Dvinskikh , Alexander Gasnikov