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We propose an approach to address two issues that commonly occur during training of unsupervised GANs. First, since GANs use only a continuous latent distribution to embed multiple classes or clusters of data, they often do not correctly…

Machine Learning · Computer Science 2018-03-13 Youngjin Kim , Minjung Kim , Gunhee Kim

Data security is of the utmost concern of a communication system. Since the early days, many developments have been made to improve the performance of the system. PSNR of the received signal, secure transmission channel, quality of encoding…

Cryptography and Security · Computer Science 2021-10-27 Venkatesh Subramaniyan , Vignesh Sivakumar , A. K. Vagheesan , S. Sakthivelan , K. J. Jegadish Kumar , K. K. Nagarajan

CycleGAN has been proven to be an advanced approach for unsupervised image restoration. This framework consists of two generators: a denoising one for inference and an auxiliary one for modeling noise to fulfill cycle-consistency…

Image and Video Processing · Electrical Eng. & Systems 2024-02-15 Shiqi Yang , Hanlin Qin , Shuai Yuan , Xiang Yan , Hossein Rahmani

Machine learning-based cybersecurity systems are highly vulnerable to adversarial attacks, while Generative Adversarial Networks (GANs) act as both powerful attack enablers and promising defenses. This survey systematically reviews…

Cryptography and Security · Computer Science 2025-10-01 Tharcisse Ndayipfukamiye , Jianguo Ding , Doreen Sebastian Sarwatt , Adamu Gaston Philipo , Huansheng Ning

Image steganography is a procedure for hiding messages inside pictures. While other techniques such as cryptography aim to prevent adversaries from reading the secret message, steganography aims to hide the presence of the message itself.…

Computer Vision and Pattern Recognition · Computer Science 2019-01-31 Kevin Alex Zhang , Alfredo Cuesta-Infante , Lei Xu , Kalyan Veeramachaneni

Generative Adversarial Networks (GANs) are formulated as minimax game problems, whereby generators attempt to approach real data distributions by virtue of adversarial learning against discriminators. The intrinsic problem complexity poses…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yuesong Tian , Li Shen , Li Shen , Guinan Su , Zhifeng Li , Wei Liu

Generative Adversarial Networks (GANs) have recently achieved unprecedented success in photo-realistic image synthesis from low-dimensional random noise. The ability to synthesize high-quality content at a large scale brings potential risks…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Celia Cintas , Skyler Speakman , Girmaw Abebe Tadesse , Victor Akinwande , Edward McFowland , Komminist Weldemariam

Most image-to-image translation models postulate that a unique correspondence exists between the semantic classes of the source and target domains. However, this assumption does not always hold in real-world scenarios due to divergent…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Sidi Wu , Yizi Chen , Samuel Mermet , Lorenz Hurni , Konrad Schindler , Nicolas Gonthier , Loic Landrieu

Generative adversarial networks (GANs) have shown outstanding performance on a wide range of problems in computer vision, graphics, and machine learning, but often require numerous training data and heavy computational resources. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Sangwoo Mo , Minsu Cho , Jinwoo Shin

This paper proposes a novel self-supervised based Cut-and-Paste GAN to perform foreground object segmentation and generate realistic composite images without manual annotations. We accomplish this goal by a simple yet effective…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Kunal Chaturvedi , Ali Braytee , Jun Li , Mukesh Prasad

Deep Learning for Computer Vision depends mainly on the source of supervision.Photo-realistic simulators can generate large-scale automatically labeled syntheticdata, but introduce a domain gap negatively impacting performance. We propose…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Kuan-Hui Lee , German Ros , Jie Li , Adrien Gaidon

Machine learning algorithms are used in diverse domains, many of which face significant challenges due to data imbalance. Studies have explored various approaches to address the issue, like data preprocessing, cost-sensitive learning, and…

Artificial Intelligence · Computer Science 2025-02-25 Pankaj Yadav , Gulshan Sihag , Vivek Vijay

Modern Generative Adversarial Networks (GANs) generate realistic images remarkably well. Previous work has demonstrated the feasibility of "GAN-classifiers" that are distinct from the co-trained discriminator, and operate on images…

Machine Learning · Computer Science 2023-03-29 Arkanath Pathak , Nicholas Dufour

In this work, we are dedicated to text-guided image generation and propose a novel framework, i.e., CLIP2GAN, by leveraging CLIP model and StyleGAN. The key idea of our CLIP2GAN is to bridge the output feature embedding space of CLIP and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Yixuan Wang , Wengang Zhou , Jianmin Bao , Weilun Wang , Li Li , Houqiang Li

We develop a novel method for training of GANs for unsupervised and class conditional generation of images, called Linear Discriminant GAN (LD-GAN). The discriminator of an LD-GAN is trained to maximize the linear separability between…

Machine Learning · Statistics 2017-07-26 Zhun Sun , Mete Ozay , Takayuki Okatani

Analog compute-in-memory (CIM) systems are promising for deep neural network (DNN) inference acceleration due to their energy efficiency and high throughput. However, as the use of DNNs expands, protecting user input privacy has become…

Cryptography and Security · Computer Science 2023-05-30 Ziyu Wang , Yuting Wu , Yongmo Park , Sangmin Yoo , Xinxin Wang , Jason K. Eshraghian , Wei D. Lu

Coarse building mass models are now routinely generated at scales ranging from individual buildings through to whole cities. For example, they can be abstracted from raw measurements, generated procedurally, or created manually. However,…

Graphics · Computer Science 2019-03-08 Tom Kelly , Paul Guerrero , Anthony Steed , Peter Wonka , Niloy J. Mitra

Although training data is essential for machine learning, railway companies are facing difficulties in gathering adequate images of defective equipment due to their proactive replacement of would be defective equipment. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Takuro Hoshi , Yohei Baba , Gaurang Gavai

We present a learned image compression system based on GANs, operating at extremely low bitrates. Our proposed framework combines an encoder, decoder/generator and a multi-scale discriminator, which we train jointly for a generative learned…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Eirikur Agustsson , Michael Tschannen , Fabian Mentzer , Radu Timofte , Luc Van Gool

Magnetic Resonance Imaging (MRI) scans acquired from different scanners or institutions often suffer from domain shifts owing to variations in hardware, protocols, and acquisition parameters. This discrepancy degrades the performance of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohd Usama , Belal Ahmad , Faleh Menawer R Althiyabi