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Anomaly detection is a difficult problem in many areas and has recently been subject to a lot of attention. Classifying unseen data as anomalous is a challenging matter. Latest proposed methods rely on Generative Adversarial Networks (GANs)…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Pierrick Chatillon , Coloma Ballester

Generative Adversarial Networks (GANs) have been used in many different applications to generate realistic synthetic data. We introduce a novel GAN with Autoencoder (GAN-AE) architecture to generate synthetic samples for variable length,…

机器学习 · 计算机科学 2022-10-10 Stephanie Ger , Yegna Subramanian Jambunath , Diego Klabjan

In recent years, hyperspectral image (HSI) classification based on generative adversarial networks (GAN) has achieved great progress. GAN-based classification methods can mitigate the limited training sample dilemma to some extent. However,…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Junjie Wang , Feng Gao , Junyu Dong , Qian Du

Generative adversarial networks (GANs) are pow- erful generative models based on providing feed- back to a generative network via a discriminator network. However, the discriminator usually as- sesses individual samples. This prevents the…

机器学习 · 计算机科学 2018-06-20 Thomas Lucas , Corentin Tallec , Jakob Verbeek , Yann Ollivier

Generative Adversarial Networks (GANs) are an arrange of two neural networks -- the generator and the discriminator -- that are jointly trained to generate artificial data, such as images, from random inputs. The quality of these generated…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Manel Mateos , Alejandro González , Xavier Sevillano

Soft sensing infers hard-to-measure data through a large number of easily obtainable variables. However, in complex industrial scenarios, the issue of insufficient data volume persists, which diminishes the reliability of soft sensing.…

机器学习 · 计算机科学 2025-12-23 Zesen Wang , Yonggang Li , Lijuan Lan

One of the biggest issues facing the use of machine learning in medical imaging is the lack of availability of large, labelled datasets. The annotation of medical images is not only expensive and time consuming but also highly dependent on…

This paper presents a novel multi-fake evolutionary generative adversarial network(MFEGAN) for handling imbalance hyperspectral image classification. It is an end-to-end approach in which different generative objective losses are considered…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Tanmoy Dam , Nidhi Swami , Sreenatha G. Anavatti , Hussein A. Abbass

Generative Adversarial Networks (GANs) are a recent advancement in unsupervised machine learning. They are a cat-and-mouse game between two neural networks: [1] a discriminator network which learns to validate whether a sample is real or…

宇宙学与河外天体物理 · 物理学 2020-06-23 Olivia Curtis , Tereasa G. Brainerd

Generative adversarial networks (GANs) have great successes on synthesizing data. However, the existing GANs restrict the discriminator to be a binary classifier, and thus limit their learning capacity for tasks that need to synthesize…

计算与语言 · 计算机科学 2018-04-17 Kevin Lin , Dianqi Li , Xiaodong He , Zhengyou Zhang , Ming-Ting Sun

In standard generative deep learning models, such as autoencoders or GANs, the size of the parameter set is proportional to the complexity of the generated data distribution. A significant challenge is to deploy resource-hungry deep…

机器学习 · 计算机科学 2021-10-29 Shreshth Tuli , Shikhar Tuli , Giuliano Casale , Nicholas R. Jennings

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…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Markus Wenzel

Anomaly driving detection is an important problem in advanced driver assistance systems (ADAS). It is important to identify potential hazard scenarios as early as possible to avoid potential accidents. This study proposes an unsupervised…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Yuning Qiu , Teruhisa Misu , Carlos Busso

Generative adversarial networks (GANs) have shown great success in applications such as image generation and inpainting. However, they typically require large datasets, which are often not available, especially in the context of prediction…

机器学习 · 计算机科学 2020-01-31 Daniel Stoller , Sebastian Ewert , Simon Dixon

Conditional Generative Adversarial Networks (cGANs) extend the standard unconditional GAN framework to learning joint data-label distributions from samples, and have been established as powerful generative models capable of generating…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Ligong Han , Martin Renqiang Min , Anastasis Stathopoulos , Yu Tian , Ruijiang Gao , Asim Kadav , Dimitris Metaxas

Anomaly detection in time series data is a significant problem faced in many application areas such as manufacturing, medical imaging and cyber-security. Recently, Generative Adversarial Networks (GAN) have gained attention for generation…

计算机视觉与模式识别 · 计算机科学 2021-01-15 Md Abul Bashar , Richi Nayak

Anomaly detection has been an active research area with a wide range of potential applications. Key challenges for anomaly detection in the AI era with big data include lack of prior knowledge of potential anomaly types, highly complex and…

机器学习 · 计算机科学 2022-02-14 Haoyang Cao , Xin Guo , Guan Wang

In recent years, some researchers have applied diffusion models to multivariate time series anomaly detection. The partial diffusion strategy, which depends on the diffusion steps, is commonly used for anomaly detection in these models.…

机器学习 · 计算机科学 2025-01-06 Guangqiang Wu , Fu Zhang

Generative adversarial networks (GANs) have been shown to produce realistic samples from high-dimensional distributions, but training them is considered hard. A possible explanation for training instabilities is the inherent imbalance…

Novelty detection, a widely studied problem in machine learning, is the problem of detecting a novel class of data that has not been previously observed. A common setting for novelty detection is inductive whereby only examples of the…

机器学习 · 计算机科学 2022-03-31 Najiba Toron , Janaina Mourao-Miranda , John Shawe-Taylor