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相关论文: Subspace Support Vector Data Description

200 篇论文

In this paper, we propose a novel method for transforming data into a low-dimensional space optimized for one-class classification. The proposed method iteratively transforms data into a new subspace optimized for ellipsoidal encapsulation…

机器学习 · 计算机科学 2020-09-15 Fahad Sohrab , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

In this paper, we propose a novel subspace learning framework for one-class classification. The proposed framework presents the problem in the form of graph embedding. It includes the previously proposed subspace one-class techniques as its…

机器学习 · 计算机科学 2023-08-29 Fahad Sohrab , Alexandros Iosifidis , Moncef Gabbouj , Jenni Raitoharju

In this paper, we propose a novel method for projecting data from multiple modalities to a new subspace optimized for one-class classification. The proposed method iteratively transforms the data from the original feature space of each…

机器学习 · 计算机科学 2020-09-15 Fahad Sohrab , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

In this paper, we present an adaptation of Newton's method for the optimization of Subspace Support Vector Data Description (S-SVDD). The objective of S-SVDD is to map the original data to a subspace optimized for one-class classification,…

机器学习 · 计算机科学 2023-09-26 Fahad Sohrab , Firas Laakom , Moncef Gabbouj

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

In this paper, we address the problem of data description using a Bayesian framework. The goal of data description is to draw a boundary around objects of a certain class of interest to discriminate that class from the rest of the feature…

机器学习 · 计算机科学 2016-02-26 Alireza Ghasemi , Hamid R. Rabiee , Mohammad T. Manzuri , M. H. Rohban

In this paper, we propose a design methodology for one-class classifiers using an ensemble-of-classifiers approach. The objective is to select the best structures created during the training phase using an ensemble of spanning trees. It…

机器学习 · 计算机科学 2019-09-11 Riccardo La Grassa , Ignazio Gallo , Alessandro Calefati , Dimitri Ognibene

We consider the problems of classification and intrinsic dimension estimation on image data. A new subspace based classifier is proposed for supervised classification or intrinsic dimension estimation. The distribution of the data in each…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Liang Liao , Stephen John Maybank

We propose a method that can perform one-class classification given only a small number of examples from the target class and none from the others. We formulate the learning of meaningful features for one-class classification as a…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Gabriel Dahia , Maurício Pamplona Segundo

Support vector machine (SVM), is a popular kernel method for data classification that demonstrated its efficiency for a large range of practical applications. The method suffers, however, from some weaknesses including; time processing,…

机器学习 · 计算机科学 2023-08-23 Lakhdar Remaki

This letter presents a new spectral-clustering-based approach to the subspace clustering problem. Underpinning the proposed method is a convex program for optimal direction search, which for each data point d finds an optimal direction in…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Mostafa Rahmani , George Atia

This article presents a new classification framework that can extract individual features per class. The scheme is based on a model of incoherent subspaces, each one associated to one class, and a model on how the elements in a class are…

计算机视觉与模式识别 · 计算机科学 2010-05-11 Karin Schnass , Pierre Vandergheynst

This work introduces the one-class slab SVM (OCSSVM), a one-class classifier that aims at improving the performance of the one-class SVM. The proposed strategy reduces the false positive rate and increases the accuracy of detecting…

计算机视觉与模式识别 · 计算机科学 2016-08-04 Victor Fragoso , Walter Scheirer , Joao Hespanha , Matthew Turk

Deep Learning shows very good performance when trained on large labeled data sets. The problem of training a deep net on a few or one sample per class requires a different learning approach which can generalize to unseen classes using only…

机器学习 · 计算机科学 2018-08-23 Jinchao Liu , Stuart J. Gibson , Margarita Osadchy

This paper introduces a new method to solve the cross-domain recognition problem. Different from the traditional domain adaption methods which rely on a global domain shift for all classes between source and target domain, the proposed…

计算机视觉与模式识别 · 计算机科学 2015-09-08 Yuewei Lin , Jing Chen , Yu Cao , Youjie Zhou , Lingfeng Zhang , Yuan Yan Tang , Song Wang

This paper introduces a generic method which enables to use conventional deep neural networks as end-to-end one-class classifiers. The method is based on splitting given data from one class into two subsets. In one-class classification,…

机器学习 · 计算机科学 2019-09-17 Patrick Schlachter , Yiwen Liao , Bin Yang

Supervised dimensionality reduction has emerged as an important theme in the last decade. Despite the plethora of models and formulations, there is a lack of a simple model which aims to project the set of patterns into a space defined by…

机器学习 · 统计学 2016-10-28 Anthony O. Smith , Anand Rangarajan

The subspace method is one of the mainstream system identification method of linear systems, and its basic idea is to estimate the system parameter matrices by projecting them into a subspace related to input and output. However, most of…

系统与控制 · 电气工程与系统科学 2022-02-03 Xiangyu Mao , Jianping He , Chengcheng Zhao

We consider the following classification problem: Given a population of individuals characterized by a set of attributes represented as a vector in ${\mathbb R}^N$, the goal is to find a hyperplane in ${\mathbb R}^N$ that separates two sets…

机器学习 · 计算机科学 2025-07-04 Argimiro Arratia , Mahmoud El Daou , Henryk Gzyl

One-class classification (OCC) is a longstanding method for anomaly detection. With the powerful representation capability of the pre-trained backbone, OCC methods have witnessed significant performance improvements. Typically, most of…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Han Gao , Huiyuan Luo , Fei Shen , Zhengtao Zhang
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