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Growth in system complexity increases the need for automated log analysis techniques, such as Log-based Anomaly Detection (LAD). While deep learning (DL) methods have been widely used for LAD, traditional machine learning (ML) techniques…

软件工程 · 计算机科学 2025-06-24 Shan Ali , Chaima Boufaied , Domenico Bianculli , Paula Branco , Lionel Briand

A change point detection (CPD) framework assisted by a predictive machine learning model called "Predict and Compare" is introduced and characterised in relation to other state-of-the-art online CPD routines which it outperforms in terms of…

机器学习 · 计算机科学 2024-06-05 Anna-Christina Glock , Florian Sobieczky , Johannes Fürnkranz , Peter Filzmoser , Martin Jech

In this paper, a copy-move forgery detection method based on Convolutional Kernel Network is proposed. Different from methods based on conventional hand-crafted features, Convolutional Kernel Network is a kind of data-driven local…

计算机视觉与模式识别 · 计算机科学 2017-07-06 Yaqi Liu , Qingxiao Guan , Xianfeng Zhao

Applications of deep learning to synthetic media generation allow the creation of convincing forgeries, called DeepFakes, with limited technical expertise. DeepFake detection is an increasingly active research area. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Kevin Lutz , Robert Bassett

In this paper we propose a new method to assist in labeling data arriving from fast running processes using anomaly detection. A result is the possibility to manually classify data arriving at a high rates to train machine learning models.…

机器学习 · 计算机科学 2024-09-23 Tilman Klaeger , Andre Schult , Lukas Oehm

Modern face recognition systems remain vulnerable to spoofing attempts, including both physical presentation attacks and digital forgeries. Traditionally, these two attack vectors have been handled by separate models, each targeting its own…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Andrei Balykin , Anvar Ganiev , Denis Kondranin , Kirill Polevoda , Nikolai Liudkevich , Artem Petrov

With the development of computational power and techniques for data collection, deep learning demonstrates a superior performance over most existing algorithms on visual benchmark data sets. Many efforts have been devoted to studying the…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Yuanhong Xu , Qi Qian , Hao Li , Rong Jin , Juhua Hu

It has been shown that deep learning models can under certain circumstances outperform traditional statistical methods at forecasting. Furthermore, various techniques have been developed for quantifying the forecast uncertainty (prediction…

机器学习 · 计算机科学 2021-10-08 Thabang Mathonsi , Terence L. van Zyl

Anomaly detection based on 3D point cloud data is an important research problem and receives more and more attention recently. Untrained anomaly detection based on only one sample is an emerging research problem motivated by real…

机器学习 · 计算机科学 2025-07-29 Juan Du , Dongheng Chen

We review the use of differential privacy (DP) for privacy protection in machine learning (ML). We show that, driven by the aim of preserving the accuracy of the learned models, DP-based ML implementations are so loose that they do not…

密码学与安全 · 计算机科学 2023-01-09 Alberto Blanco-Justicia , David Sanchez , Josep Domingo-Ferrer , Krishnamurty Muralidhar

Verifying the identity of a person using handwritten signatures is challenging in the presence of skilled forgeries, where a forger has access to a person's signature and deliberately attempt to imitate it. In offline (static) signature…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

In this work, we describe a new deep learning based method that can effectively distinguish AI-generated fake videos (referred to as {\em DeepFake} videos hereafter) from real videos. Our method is based on the observations that current…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Yuezun Li , Siwei Lyu

Counterfeit products such as drugs and vaccines as well as luxury items such as high-fashion handbags, watches, jewelry, garments, and cosmetics, represent significant direct losses of revenue to legitimate manufacturers and vendors, as…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Hugo Garcia-Cotte , Dorra Mellouli , Abdul Rehman , Li Wang , David G. Stork

Reconstruction-based methods have been commonly used for unsupervised anomaly detection, in which a normal image is reconstructed and compared with the given test image to detect and locate anomalies. Recently, diffusion models have shown…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Di Wu , Shicai Fan , Xue Zhou , Li Yu , Yuzhong Deng , Jianxiao Zou , Baihong Lin

Anomaly detection is a fundamental problem in data mining field with many real-world applications. A vast majority of existing anomaly detection methods predominately focused on data collected from a single source. In real-world…

机器学习 · 计算机科学 2019-08-13 Yuening Li , Ninghao Liu , Jundong Li , Mengnan Du , Xia Hu

The amount of digital imagery recorded has recently grown exponentially, and with the advancement of software, such as Photoshop or Gimp, it has become easier to manipulate images. However, most images on the internet have not been…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Arjuna Flenner , Lawrence Peterson , Jason Bunk , Tajuddin Manhar Mohammed , Lakshmanan Nataraj , B. S. Manjunath

Hacking and false data injection from adversaries can threaten power grids' everyday operations and cause significant economic loss. Anomaly detection in power grids aims to detect and discriminate anomalies caused by cyber attacks against…

机器学习 · 计算机科学 2023-03-14 Xijuan Sun , Di Wu , Arnaud Zinflou , Benoit Boulet

Recent research shows that copying is prevalent for Deep-Web data and considering copying can significantly improve truth finding from conflicting values. However, existing copy detection techniques do not scale for large sizes and numbers…

数据库 · 计算机科学 2015-03-03 Xian Li , Xin Luna Dong , Kenneth B. Lyons , Weiyi Meng , Divesh Srivastava

Anomaly detection in videos is an important computer vision problem with various applications including automated video surveillance. Although adversarial attacks on image understanding models have been heavily investigated, there is not…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Furkan Mumcu , Keval Doshi , Yasin Yilmaz

Novelty detection, i.e., identifying whether a given sample is drawn from outside the training distribution, is essential for reliable machine learning. To this end, there have been many attempts at learning a representation well-suited for…

机器学习 · 计算机科学 2020-10-22 Jihoon Tack , Sangwoo Mo , Jongheon Jeong , Jinwoo Shin