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相关论文: Detecting Anomalies using Generative Adversarial N…

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The problem of anomaly detection in astronomical surveys is becoming increasingly important as data sets grow in size. We present the results of an unsupervised anomaly detection method using a Wasserstein generative adversarial network…

Adversarial examples have been demonstrated to threaten many computer vision tasks including object detection. However, the existing attacking methods for object detection have two limitations: poor transferability, which denotes that the…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Xingxing Wei , Siyuan Liang , Ning Chen , Xiaochun Cao

Generative Adversarial Networks (GAN) are a powerful methodology and can be used for unsupervised anomaly detection, where current techniques have limitations such as the accurate detection of anomalies near the tail of a distribution. GANs…

机器学习 · 计算机科学 2022-02-03 Nikolaos Dionelis , Mehrdad Yaghoobi , Sotirios A. Tsaftaris

Generative adversarial networks (GAN) are a class of powerful machine learning techniques, where both a generative and discriminative model are trained simultaneously. GANs have been used, for example, to successfully generate "deep fake"…

密码学与安全 · 计算机科学 2021-07-06 Rakesh Nagaraju , Mark Stamp

In this paper, a novel strategy of Secure Steganograpy based on Generative Adversarial Networks is proposed to generate suitable and secure covers for steganography. The proposed architecture has one generative network, and two…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Haichao Shi , Jing Dong , Wei Wang , Yinlong Qian , Xiaoyu Zhang

Anomaly detection consists in identifying, within a dataset, those samples that significantly differ from the majority of the data, representing the normal class. It has many practical applications, e.g. ranging from defective product…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Pankaj Mishra , Claudio Piciarelli , Gian Luca Foresti

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

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…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Takuhiro Kaneko , Tatsuya Harada

We consider the problem of anomaly detection in images, and present a new detection technique. Given a sample of images, all known to belong to a "normal" class (e.g., dogs), we show how to train a deep neural model that can detect…

机器学习 · 计算机科学 2018-11-12 Izhak Golan , Ran El-Yaniv

The state-of-the-art approaches in Generative Adversarial Networks (GANs) are able to learn a mapping function from one image domain to another with unpaired image data. However, these methods often produce artifacts and can only be able to…

计算机视觉与模式识别 · 计算机科学 2019-08-29 Hao Tang , Dan Xu , Nicu Sebe , Yan Yan

With the recent developments in artificial intelligence and machine learning, anomalies in network traffic can be detected using machine learning approaches. Before the rise of machine learning, network anomalies which could imply an…

机器学习 · 计算机科学 2020-04-10 Aritran Piplai , Sai Sree Laya Chukkapalli , Anupam Joshi

This paper introduces a novel approach for unsupervised object co-localization using Generative Adversarial Networks (GANs). GAN is a powerful tool that can implicitly learn unknown data distributions in an unsupervised manner. From the…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Junsuk Choe , Joo Hyun Park , Hyunjung Shim

As a kind of generative self-supervised learning methods, generative adversarial nets have been widely studied in the field of anomaly detection. However, the representation learning ability of the generator is limited since it pays too…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Xuan Xia , Xizhou Pan , Xing He , Jingfei Zhang , Ning Ding , Lin Ma

Anomaly detection is to identify samples that do not conform to the distribution of the normal data. Due to the unavailability of anomalous data, training a supervised deep neural network is a cumbersome task. As such, unsupervised methods…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Vahid Reza Khazaie , Anthony Wong , John Taylor Jewell , Yalda Mohsenzadeh

The most striking successes in image retrieval using deep hashing have mostly involved discriminative models, which require labels. In this paper, we use binary generative adversarial networks (BGAN) to embed images to binary codes in an…

计算机视觉与模式识别 · 计算机科学 2017-08-15 Jingkuan Song

Recently, the introduction of the generative adversarial network (GAN) and its variants has enabled the generation of realistic synthetic samples, which has been used for enlarging training sets. Previous work primarily focused on data…

机器学习 · 计算机科学 2018-08-27 Swee Kiat Lim , Yi Loo , Ngoc-Trung Tran , Ngai-Man Cheung , Gemma Roig , Yuval Elovici

Generative Adversarial Networks (GAN) have attracted much research attention recently, leading to impressive results for natural image generation. However, to date little success was observed in using GAN generated images for improving…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Xinlong Wang , Zhipeng Man , Mingyu You , Chunhua Shen

While Generative Adversarial Networks (GANs) are fundamental to many generative modelling applications, they suffer from numerous issues. In this work, we propose a principled framework to simultaneously mitigate two fundamental issues in…

机器学习 · 计算机科学 2020-11-24 Kwot Sin Lee , Ngoc-Trung Tran , Ngai-Man Cheung

Anomaly detection on dynamic graphs refers to detecting entities whose behaviors obviously deviate from the norms observed within graphs and their temporal information. This field has drawn increasing attention due to its application in…

机器学习 · 计算机科学 2023-10-26 Shiqi Lou , Qingyue Zhang , Shujie Yang , Yuyang Tian , Zhaoxuan Tan , Minnan Luo

Generative adversarial networks (GANs) are machine learning models that are used to estimate the underlying statistical structure of a given dataset and as a result can be used for a variety of tasks such as image generation or anomaly…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Shakhnaz Akhmedova , Nils Körber