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In recent times, many of the breakthroughs in various vision-related tasks have revolved around improving learning of deep models; these methods have ranged from network architectural improvements such as Residual Networks, to various forms…

机器学习 · 统计学 2018-05-15 Yan Zuo , Gil Avraham , Tom Drummond

Fall detection is an important problem from both the health and machine learning perspective. A fall can lead to severe injuries, long term impairments or even death in some cases. In terms of machine learning, it presents a severely class…

机器学习 · 计算机科学 2020-07-24 Shehroz S. Khan , Jacob Nogas , Alex Mihailidis

Deep learning-based approaches have achieved significant improvements on public video anomaly datasets, but often do not perform well in real-world applications. This paper addresses two issues: the lack of labeled data and the difficulty…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Giacomo D'Amicantonio , Egor Bondarau , Peter H. N. de With

Anomaly detection suffered from the lack of anomalies due to the diversity of abnormalities and the difficulties of obtaining large-scale anomaly data. Semi-supervised anomaly detection methods are often used to solely leverage normal data…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Jian Shi , Ni Zhang

State-of-the-art deep neural networks (DNNs) are highly effective in solving many complex real-world problems. However, these models are vulnerable to adversarial perturbation attacks, and despite the plethora of research in this domain, to…

机器学习 · 计算机科学 2019-09-10 Gil Fidel , Ron Bitton , Asaf Shabtai

In many anomaly detection tasks, where anomalous data rarely appear and are difficult to collect, training using only normal data is important. Although it is possible to manually create anomalous data using prior knowledge, they may be…

机器学习 · 计算机科学 2022-05-10 Hironori Murase , Kenji Fukumizu

Models for trajectory prediction are an essential component of many advanced air mobility studies. These models help aircraft detect conflict and plan avoidance maneuvers, which is especially important in Unmanned Aircraft systems (UAS)…

机器人学 · 计算机科学 2024-11-22 Jun Xiang , Drake Essick , Luiz Gonzalez Bautista , Junfei Xie , Jun Chen

Developing efficient time series anomaly detection techniques is important to maintain service quality and provide early alarms. Generative neural network methods are one class of the unsupervised approaches that are achieving increasing…

机器学习 · 计算机科学 2022-10-07 Yueyan Gu , Farrokh Jazizadeh

Deep Learning models are vulnerable to adversarial examples, i.e.\ images obtained via deliberate imperceptible perturbations, such that the model misclassifies them with high confidence. However, class confidence by itself is an incomplete…

机器学习 · 统计学 2017-11-23 Ambrish Rawat , Martin Wistuba , Maria-Irina Nicolae

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

One of the major breakthroughs in deep learning over the past five years has been the Generative Adversarial Network (GAN), a neural network-based generative model which aims to mimic some underlying distribution given a dataset of samples.…

机器学习 · 计算机科学 2020-06-23 Yeojoon Youn , Neil Thistlethwaite , Sang Keun Choe , Jacob Abernethy

Deep neural networks have been applied in wireless communications system to intelligently adapt to dynamically changing channel conditions, while the users are still under the threat of the malicious attacks due to the broadcasting property…

信息论 · 计算机科学 2025-05-02 Jianyuan Chen , Lin Zhang , Zuwei Chen , Yawen Chen , Hongcheng Zhuang

Adversarial training is a principled approach for training robust neural networks. Despite of tremendous successes in practice, its theoretical properties still remain largely unexplored. In this paper, we provide new theoretical insights…

机器学习 · 计算机科学 2019-07-29 Yan Li , Ethan X. Fang , Huan Xu , Tuo Zhao

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

We develop a novel method for training of GANs for unsupervised and class conditional generation of images, called Linear Discriminant GAN (LD-GAN). The discriminator of an LD-GAN is trained to maximize the linear separability between…

机器学习 · 统计学 2017-07-26 Zhun Sun , Mete Ozay , Takayuki Okatani

Though deep neural networks have achieved state-of-the-art performance in visual classification, recent studies have shown that they are all vulnerable to the attack of adversarial examples. Small and often imperceptible perturbations to…

机器学习 · 计算机科学 2018-06-05 Pinlong Zhao , Zhouyu Fu , Ou wu , Qinghua Hu , Jun Wang

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

Deep learning has emerged as a powerful approach for malware detection, demonstrating impressive accuracy across various data representations. However, these models face critical limitations in real-world, non-stationary environments where…

密码学与安全 · 计算机科学 2026-04-24 Pawan Acharya , Lan Zhang

Understanding and representing traffic patterns are key to detecting anomalous trajectories in the transportation domain. However, some trajectories can exhibit heterogeneous maneuvering characteristics despite confining to normal patterns.…

机器学习 · 计算机科学 2022-03-15 Sandeep Kumar Singh , Jaya Shradha Fowdur , Jakob Gawlikowski , Daniel Medina

We propose a novel learning approach, in the form of a fully-convolutional neural network (CNN), which automatically and consistently removes specular highlights from a single image by generating its diffuse component. To train the…

计算机视觉与模式识别 · 计算机科学 2019-04-05 John Lin , Mohamed El Amine Seddik , Mohamed Tamaazousti , Youssef Tamaazousti , Adrien Bartoli