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Adversarial training is wildly considered as one of the most effective way to defend against adversarial examples. However, existing adversarial training methods consume unbearable time, due to the fact that they need to generate…

Machine Learning · Computer Science 2021-03-10 Yaguan Qian , Qiqi Shao , Tengteng Yao , Bin Wang , Shouling Ji , Shaoning Zeng , Zhaoquan Gu , Wassim Swaileh

Despite the success of generative adversarial networks (GANs) for image generation, the trade-off between visual quality and image diversity remains a significant issue. This paper achieves both aims simultaneously by improving the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 Duhyeon Bang , Hyunjung Shim

Generative Adversarial Networks (GANs) have a great performance in image generation, but they need a large scale of data to train the entire framework, and often result in nonsensical results. We propose a new method referring to…

Machine Learning · Computer Science 2018-11-07 Jinxuan Sun , Guoqiang Zhong , Yang Chen , Yongbin Liu , Tao Li , Zhongwen Guo

The generator in the generative adversarial network (GAN) learns image generation in a coarse-to-fine manner in which earlier layers learn the overall structure of the image and the latter ones refine the details. To propagate the coarse…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Seung Park , Yong-Goo Shin

Adversarially trained generative models (GANs) have recently achieved compelling image synthesis results. But despite early successes in using GANs for unsupervised representation learning, they have since been superseded by approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-11-06 Jeff Donahue , Karen Simonyan

Generative Adversarial Networks (GANs) are by far the most successful generative models. Learning the transformation which maps a low dimensional input noise to the data distribution forms the foundation for GANs. Although they have been…

Machine Learning · Computer Science 2020-04-16 Manisha Padala , Debojit Das , Sujit Gujar

Generative adversarial networks (GANs) are effective in generating realistic images but the training is often unstable. There are existing efforts that model the training dynamics of GANs in the parameter space but the analysis cannot…

Machine Learning · Computer Science 2020-07-09 Kun Xu , Chongxuan Li , Jun Zhu , Bo Zhang

Generative adversarial networks (GANs) are a framework for producing a generative model by way of a two-player minimax game. In this paper, we propose the \emph{Generative Multi-Adversarial Network} (GMAN), a framework that extends GANs to…

Machine Learning · Computer Science 2017-03-06 Ishan Durugkar , Ian Gemp , Sridhar Mahadevan

Recent work has shown significant progress in the direction of synthetic data generation using Generative Adversarial Networks (GANs). GANs have been applied in many fields of computer vision including text-to-image conversion, domain…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Mkhuseli Ngxande , Jules-Raymond Tapamo , Michael Burke

Adversarial examples are fabricated examples, indistinguishable from the original image that mislead neural networks and drastically lower their performance. Recently proposed AdvGAN, a GAN based approach, takes input image as a prior for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Puneet Mangla , Surgan Jandial , Sakshi Varshney , Vineeth N Balasubramanian

Among the major remaining challenges for generative adversarial networks (GANs) is the capacity to synthesize globally and locally coherent images with object shapes and textures indistinguishable from real images. To target this issue we…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Edgar Schönfeld , Bernt Schiele , Anna Khoreva

Deep Neural Networks (DNNs) have recently achieved great success in many tasks, which encourages DNNs to be widely used as a machine learning service in model sharing scenarios. However, attackers can easily generate adversarial examples…

Machine Learning · Computer Science 2019-07-17 Xiaowei Zhou , Ivor W. Tsang , Jie Yin

Synthesising a text-to-image model of high-quality images by guiding the generative model through the Text description is an innovative and challenging task. In recent years, AttnGAN based on the Attention mechanism to guide GAN training…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Mingyu Jin , Chong Zhang , Qinkai Yu , Haochen Xue , Xiaobo Jin , Xi Yang

Generative Adversarial Networks (GANs) have extended deep learning to complex generation and translation tasks across different data modalities. However, GANs are notoriously difficult to train: Mode collapse and other instabilities in the…

Neural and Evolutionary Computing · Computer Science 2021-10-29 Santiago Gonzalez , Mohak Kant , Risto Miikkulainen

Generative Adversarial Networks have been employed successfully to generate high-resolution augmented images of size 1024^2. Although the augmented images generated are unprecedented, the training time of the model is exceptionally high.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-28 Atharva Karwande , Pranesh Kulkarni , Tejas Kolhe , Akshay Joshi , Soham Kamble

Generative Adversarial Networks (GANs) are a popular formulation to train generative models for complex high dimensional data. The standard method for training GANs involves a gradient descent-ascent (GDA) procedure on a minimax…

Machine Learning · Computer Science 2023-05-30 Evan Becker , Parthe Pandit , Sundeep Rangan , Alyson K. Fletcher

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…

Machine Learning · Computer Science 2016-06-14 Tim Salimans , Ian Goodfellow , Wojciech Zaremba , Vicki Cheung , Alec Radford , Xi Chen

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

Generative adversarial networks (GANs) are designed with the help of min-max optimization problems that are solved with stochastic gradient-type algorithms which are known to be non-robust. In this work we revisit a non-adversarial method…

Machine Learning · Computer Science 2018-11-26 Kalliopi Basioti , George V. Moustakides , Emmanouil Z. Psarakis

Several dihedral angles prediction methods were developed for protein structure prediction and their other applications. However, distribution of predicted angles would not be similar to that of real angles. To address this we employed…

Biomolecules · Quantitative Biology 2018-03-30 Hyeongki Kim