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This chapter reviews recent developments of generative adversarial networks (GAN)-based methods for medical and biomedical image synthesis tasks. These methods are classified into conditional GAN and Cycle-GAN according to the network…

Medical Physics · Physics 2021-01-01 Yang Lei , Richard L. J. Qiu , Tonghe Wang , Walter J. Curran , Tian Liu , Xiaofeng Yang

Generative networks are fundamentally different in their aim and methods compared to CNNs for classification, segmentation, or object detection. They have initially not been meant to be an image analysis tool, but to produce naturally…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Markus Wenzel

Anomaly detection plays in many fields of research, along with the strongly related task of outlier detection, a very important role. Especially within the context of the automated analysis of video material recorded by surveillance…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Thomas Golda , Nils Murzyn , Chengchao Qu , Kristian Kroschel

Anomaly detection is a significant problem faced in several research areas. Detecting and correctly classifying something unseen as anomalous is a challenging problem that has been tackled in many different manners over the years.…

Machine Learning · Computer Science 2021-09-15 Federico Di Mattia , Paolo Galeone , Michele De Simoni , Emanuele Ghelfi

This paper introduces a new method of generating realistic pervasive changes in the context of evaluating the effectiveness of change detection algorithms in controlled settings. The method, a cycle-consistent adversarial network…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Christopher X. Ren , Amanda Ziemann , Alice M. S. Durieux , James Theiler

In this work, we propose a novel Cycle In Cycle Generative Adversarial Network (C$^2$GAN) for the task of keypoint-guided image generation. The proposed C$^2$GAN is a cross-modal framework exploring a joint exploitation of the keypoint and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Hao Tang , Dan Xu , Gaowen Liu , Wei Wang , Nicu Sebe , Yan Yan

In image classification of deep learning, adversarial examples where inputs intended to add small magnitude perturbations may mislead deep neural networks (DNNs) to incorrect results, which means DNNs are vulnerable to them. Different…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Lingyun Jiang , Kai Qiao , Ruoxi Qin , Linyuan Wang , Jian Chen , Haibing Bu , Bin Yan

Generative adversarial networks (GANs) studies have grown exponentially in the past few years. Their impact has been seen mainly in the computer vision field with realistic image and video manipulation, especially generation, making…

Machine Learning · Computer Science 2021-07-26 Eoin Brophy , Zhengwei Wang , Qi She , Tomas Ward

The generative adversarial network (GAN) framework has emerged as a powerful tool for various image and video synthesis tasks, allowing the synthesis of visual content in an unconditional or input-conditional manner. It has enabled the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ming-Yu Liu , Xun Huang , Jiahui Yu , Ting-Chun Wang , Arun Mallya

In this study, we rediscovered the framework of generative adversarial networks (GANs) as a solver for calibration problems without data correspondence. When data correspondence is not present or loosely established, the calibration problem…

Robotics · Computer Science 2024-08-13 Ilkwon Hong , Junhyoung Ha

Standard approaches for adversarial patch generation lead to noisy conspicuous patterns, which are easily recognizable by humans. Recent research has proposed several approaches to generate naturalistic patches using generative adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Svetlana Pavlitskaya , Bianca-Marina Codău , J. Marius Zöllner

In medical imaging, a general problem is that it is costly and time consuming to collect high quality data from healthy and diseased subjects. Generative adversarial networks (GANs) is a deep learning method that has been developed for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

Generative adversarial networks (GANs) have shown promise for various problems including anomaly detection. When anomaly detection is performed using GAN models that learn only the features of normal data samples, data that are not similar…

Machine Learning · Computer Science 2020-12-23 Teguh Budianto , Tomohiro Nakai , Kazunori Imoto , Takahiro Takimoto , Kosuke Haruki

This study presents an adversarial method for anomaly detection in real-world applications, leveraging the power of generative adversarial neural networks (GANs) through cycle consistency in reconstruction error. Previous methods suffer…

Machine Learning · Computer Science 2024-05-01 Zahra Dehghanian , Saeed Saravani , Maryam Amirmazlaghani , Mohammad Rahmati

We explore the use of quantum generative adversarial networks QGANs for modeling eye movement velocity data. We assess whether the advanced computational capabilities of QGANs can enhance the modeling of complex stochastic distribution…

Neural and Evolutionary Computing · Computer Science 2024-12-09 Shailendra Bhandari , Pedro Lincastre , Pedro Lind

Generative adversarial networks (GANs) are able to model the complex highdimensional distributions of real-world data, which suggests they could be effective for anomaly detection. However, few works have explored the use of GANs for the…

Machine Learning · Computer Science 2019-05-03 Houssam Zenati , Chuan Sheng Foo , Bruno Lecouat , Gaurav Manek , Vijay Ramaseshan Chandrasekhar

Although voice conversion (VC) algorithms have achieved remarkable success along with the development of machine learning, superior performance is still difficult to achieve when using nonparallel data. In this paper, we propose using a…

Audio and Speech Processing · Electrical Eng. & Systems 2018-04-03 Fuming Fang , Junichi Yamagishi , Isao Echizen , Jaime Lorenzo-Trueba

Generative Adversarial Networks (GANs) have been workhorse generative models for last many years, especially in the research field of computer vision. Accordingly, there have been many significant advancements in the theory and application…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Hrishikesh Sharma

Anomaly detection has become an indispensable tool for modern society, applied in a wide range of applications, from detecting fraudulent transactions to malignant brain tumours. Over time, many anomaly detection techniques have been…

Machine Learning · Computer Science 2021-10-26 Mikael Sabuhi , Ming Zhou , Cor-Paul Bezemer , Petr Musilek

Ever since its debut, generative adversarial networks (GANs) have attracted tremendous amount of attention. Over the past years, different variations of GANs models have been developed and tailored to different applications in practice.…

Mathematical Finance · Quantitative Finance 2021-09-10 Haoyang Cao , Xin Guo
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