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相关论文: GAN-based Hyperspectral Anomaly Detection

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Generative Adversarial Networks (GANs) have been shown to produce realistically looking synthetic images with remarkable success, yet their performance seems less impressive when the training set is highly diverse. In order to provide a…

机器学习 · 计算机科学 2018-08-31 Matan Ben-Yosef , Daphna Weinshall

Generative adversarial networks (GANs) are a learning framework that rely on training a discriminator to estimate a measure of difference between a target and generated distributions. GANs, as normally formulated, rely on the generated…

机器学习 · 统计学 2018-02-23 R Devon Hjelm , Athul Paul Jacob , Tong Che , Adam Trischler , Kyunghyun Cho , Yoshua Bengio

This paper proposes an innovative Attention-GAN framework for enhancing cybersecurity, focusing on anomaly detection. In response to the challenges posed by the constantly evolving nature of cyber threats, the proposed approach aims to…

密码学与安全 · 计算机科学 2024-02-29 Mohammed Abo Sen

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

Recent advances in Generative Adversarial Networks (GANs) have led to the creation of realistic-looking digital images that pose a major challenge to their detection by humans or computers. GANs are used in a wide range of tasks, from…

图像与视频处理 · 电气工程与系统科学 2020-07-22 Michael Goebel , Lakshmanan Nataraj , Tejaswi Nanjundaswamy , Tajuddin Manhar Mohammed , Shivkumar Chandrasekaran , B. S. Manjunath

Despite the recency of their conception, Generative Adversarial Networks (GANs) constitute an extensively researched machine learning sub-field for the creation of synthetic data through deep generative modeling. GANs have consequently been…

网络与互联网体系结构 · 计算机科学 2021-05-11 Hojjat Navidan , Parisa Fard Moshiri , Mohammad Nabati , Reza Shahbazian , Seyed Ali Ghorashi , Vahid Shah-Mansouri , David Windridge

Ultrasound (US) imaging is widely used for anatomical structure inspection in clinical diagnosis. The training of new sonographers and deep learning based algorithms for US image analysis usually requires a large amount of data. However,…

图像与视频处理 · 电气工程与系统科学 2022-05-26 Jiamin Liang , Xin Yang , Yuhao Huang , Haoming Li , Shuangchi He , Xindi Hu , Zejian Chen , Wufeng Xue , Jun Cheng , Dong Ni

Visually realistic GAN-generated facial images raise obvious concerns on potential misuse. Many effective forensic algorithms have been developed to detect such synthetic images in recent years. It is significant to assess the vulnerability…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Zijie Lou , Gang Cao , Man Lin

Collecting well-annotated image datasets to train modern machine learning algorithms is prohibitively expensive for many tasks. One appealing alternative is rendering synthetic data where ground-truth annotations are generated…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Konstantinos Bousmalis , Nathan Silberman , David Dohan , Dumitru Erhan , Dilip Krishnan

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Anomaly generation is an effective way to mitigate data scarcity for anomaly detection task. Most existing works shine at industrial anomaly generation with multiple specialists or large generative models, rarely generalizing to anomalies…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Ying Zhao

In agricultural image analysis, optimal model performance is keenly pursued for better fulfilling visual recognition tasks (e.g., image classification, segmentation, object detection and localization), in the presence of challenges with…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Ebenezer Olaniyi , Dong Chen , Yuzhen Lu , Yanbo Huang

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

This paper presents a Bayesian algorithm for linear spectral unmixing of hyperspectral images that accounts for anomalies present in the data. The model proposed assumes that the pixel reflectances are linear mixtures of unknown endmembers,…

统计方法学 · 统计学 2015-10-06 Yoann Altmann , Steve McLaughlin , Alfred Hero

Ubiquitous anomalies endanger the security of our system constantly. They may bring irreversible damages to the system and cause leakage of privacy. Thus, it is of vital importance to promptly detect these anomalies. Traditional supervised…

机器学习 · 计算机科学 2019-07-25 Hongyu Chen , Li Jiang

Existing deep learning-based approaches for histopathology image analysis require large annotated training sets to achieve good performance; but annotating histopathology images is slow and resource-intensive. Conditional generative…

图像与视频处理 · 电气工程与系统科学 2021-10-29 Sujata Butte , Haotian Wang , Min Xian , Aleksandar Vakanski

Observations of astrophysical objects such as galaxies are limited by various sources of random and systematic noise from the sky background, the optical system of the telescope and the detector used to record the data. Conventional…

天体物理仪器与方法 · 物理学 2017-04-19 Kevin Schawinski , Ce Zhang , Hantian Zhang , Lucas Fowler , Gokula Krishnan Santhanam

Generative adversarial networks (GANs) are capable of producing high quality image samples. However, unlike variational autoencoders (VAEs), GANs lack encoders that provide the inverse mapping for the generators, i.e., encode images back to…

机器学习 · 统计学 2018-12-20 Paul K. Rubenstein , Yunpeng Li , Dominik Roblek

Acoustic anomaly detection aims at distinguishing abnormal acoustic signals from the normal ones. It suffers from the class imbalance issue and the lacking in the abnormal instances. In addition, collecting all kinds of abnormal or unknown…

音频与语音处理 · 电气工程与系统科学 2020-02-06 Chengwei Chen , Pan Chen , Lingyu Yang , Jinyuan Mo , Haichuan Song , Yuan Xie , Lizhuang Ma

The development of continuous biomanufacturing processes requires robust and early anomaly detection, since even minor deviations can compromise yield and stability, leading to disruptions in scheduling, reduced weekly production, and…