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相关论文: Continuous Authentication Using One-class Classifi…

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One-Class Classification (OCC) is a special case of multi-class classification, where data observed during training is from a single positive class. The goal of OCC is to learn a representation and/or a classifier that enables recognition…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Pramuditha Perera , Poojan Oza , Vishal M. Patel

Active authentication refers to the process in which users are unobtrusively monitored and authenticated continuously throughout their interactions with mobile devices. Generally, an active authentication problem is modelled as a one class…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Poojan Oza , Vishal M. Patel

Face recognition technology has become an integral part of modern security systems and user authentication processes. However, these systems are vulnerable to spoofing attacks and can easily be circumvented. Most prior research in face…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Kartik Narayan , Vishal M. Patel

One-class classification (OCC), which models one single positive class and distinguishes it from the negative class, has been a long-standing topic with pivotal application to realms like anomaly detection. As modern society often deals…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Siqi Wang , Jiyuan Liu , Guang Yu , Xinwang Liu , Sihang Zhou , En Zhu , Yuexiang Yang , Jianping Yin

One-class classification (OCC) deals with the classification problem in which the training data has data points belonging only to target class. In this paper, we study a one-class classification algorithm, One-Class Classification by…

机器学习 · 计算机科学 2020-03-10 Amir Ahmad , Srikanth Bezawada

One-class classification (OCC), i.e., identifying whether an example belongs to the same distribution as the training data, is essential for deploying machine learning models in the real world. Adapting the pre-trained features on the…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Zilong Zhang , Zhibin Zhao , Deyu Meng , Xingwu Zhang , Xuefeng Chen

One-class Classification (OCC) is an area of machine learning which addresses prediction based on unbalanced datasets. Basically, OCC algorithms achieve training by means of a single class sample, with potentially some additional…

机器学习 · 统计学 2020-03-27 Sarah Itani , Fabian Lecron , Philippe Fortemps

One-Class Classification (OCC) has been prime concern for researchers and effectively employed in various disciplines. But, traditional methods based one-class classifiers are very time consuming due to its iterative process and various…

机器学习 · 计算机科学 2017-02-16 Chandan Gautam , Aruna Tiwari , Qian Leng

One-class classification (OCC) algorithms aim to build classification models when the negative class is either absent, poorly sampled or not well defined. This unique situation constrains the learning of efficient classifiers by defining…

机器学习 · 计算机科学 2018-02-05 Shehroz S. Khan , Michael G. Madden

This paper offers a comprehensive review of one-class classification (OCC), examining the technologies and methodologies employed in its implementation. It delves into various approaches utilized for OCC across diverse data types, such as…

机器学习 · 计算机科学 2026-03-03 Toshitaka Hayashi , Dalibor Cimr , Hamido Fujita , Richard Cimler

A brain can detect outlier just by using only normal samples. Similarly, one-class classification (OCC) also uses only normal samples to train the model and trained model can be used for outlier detection. In this paper, a multi-layer…

机器学习 · 计算机科学 2019-04-16 Chandan Gautam , Aruna Tiwari , M. Tanveer

Biometrics is used to authenticate an individual based on physiological or behavioral traits. Mouse dynamics is an example of a behavioral biometric that can be used to perform continuous authentication as protection against security…

信号处理 · 电气工程与系统科学 2023-12-05 Sultan Almalki , Prosenjit Chatterjee , Kaushik Roy

A weakly supervised learning based clustering framework is proposed in this paper. As the core of this framework, we introduce a novel multiple instance learning task based on a bag level label called unique class count ($ucc$), which is…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Mustafa Umit Oner , Hwee Kuan Lee , Wing-Kin Sung

The one-class classification problem is a well-known research endeavor in pattern recognition. The problem is also known under different names, such as outlier and novelty/anomaly detection. The core of the problem consists in modeling and…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Lorenzo Livi , Alireza Sadeghian , Witold Pedrycz

Multiple classifier system (MCS) has become a successful alternative for improving classification performance. However, studies have shown inconsistent results for different MCSs, and it is often difficult to predict which MCS algorithm…

机器学习 · 计算机科学 2019-08-01 Zhen Gao , Maryam Zand , Jianhua Ruan

Architectures relying on continuous authentication require a secure way to challenge the user's identity without trusting that the Continuous Authentication Subsystem (CAS) has not been compromised, i.e., that the response to the layer…

密码学与安全 · 计算机科学 2016-05-11 Ethan M. Rudd , Terrance E. Boult

A method based on one class support vector machine (OCSVM) is proposed for class incremental learning. Several OCSVM models divide the input space into several parts. Then, the 1VS1 classifiers are constructed for the confuse part by using…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Chengfei Yao , Jie Zou , Yanan Luo , Tao Li , Gang Bai

Continuous authentication has been widely studied to provide high security and usability for mobile devices by continuously monitoring and authenticating users. Recent studies adopt multibiometric fusion for continuous authentication to…

Detecting fraudulent credit card transactions remains a significant challenge, due to the extreme class imbalance in real-world data and the often subtle patterns that separate fraud from legitimate activity. Existing research commonly…

机器学习 · 计算机科学 2025-07-22 Claudio Giusti , Luca Guarnera , Mirko Casu , Sebastiano Battiato

We theoretically analyze and compare the following five popular multiclass classification methods: One vs. All, All Pairs, Tree-based classifiers, Error Correcting Output Codes (ECOC) with randomly generated code matrices, and Multiclass…

机器学习 · 计算机科学 2013-02-19 Amit Daniely , Sivan Sabato , Shai Shalev Shwartz
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