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Multi-kernel learning has been well explored in the recent past and has exhibited promising outcomes for multi-class classification and regression tasks. In this paper, we present a multiple kernel learning approach for the One-class…

机器学习 · 计算机科学 2018-07-18 Chandan Gautam , Ramesh Balaji , K Sudharsan , Aruna Tiwari , Kapil Ahuja

Classification is a fundamental task in machine learning. While conventional methods-such as binary, multiclass, and multi-label classification-are effective for simpler problems, they may not adequately address the complexities of some…

Object detection is an important task in computer vision which serves a lot of real-world applications such as autonomous driving, surveillance and robotics. Along with the rapid thrive of large-scale data, numerous state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Trong Huy Phan , Kazuma Yamamoto

This paper proposes a novel method for solving one-class classification problems. The proposed approach, namely Subspace Support Vector Data Description, maps the data to a subspace that is optimized for one-class classification. In that…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Fahad Sohrab , Jenni Raitoharju , Moncef Gabbouj , Alexandros Iosifidis

Anomaly detection (AD), separating anomalies from normal data, has many applications across domains, from security to healthcare. While most previous works were shown to be effective for cases with fully or partially labeled data, that…

机器学习 · 计算机科学 2022-08-08 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Chen-Yu Lee , Tomas Pfister

For anomaly detection (AD), early approaches often train separate models for individual classes, yielding high performance but posing challenges in scalability and resource management. Recent efforts have shifted toward training a single…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Lei Fan , Junjie Huang , Donglin Di , Anyang Su , Tianyou Song , Maurice Pagnucco , Yang Song

One-class anomaly detection aims to detect objects that do not belong to a predefined normal class. In practice training data lack those anomalous samples; hence state-of-the-art methods are trained to discriminate between normal and…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Romain Hermary , Vincent Gaudillière , Abd El Rahman Shabayek , Djamila Aouada

Object-centric representation (OCR) has recently become a subject of interest in the computer vision community for learning a structured representation of images and videos. It has been several times presented as a potential way to improve…

人工智能 · 计算机科学 2025-06-25 Alexandre Chapin , Emmanuel Dellandrea , Liming Chen

Anomalies are ubiquitous in all scientific fields and can express an unexpected event due to incomplete knowledge about the data distribution or an unknown process that suddenly comes into play and distorts observations. Due to such events'…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Fabio Valerio Massoli , Fabrizio Falchi , Alperen Kantarci , Şeymanur Akti , Hazim Kemal Ekenel , Giuseppe Amato

This paper presents a method called One-class Classification using Length statistics of Emerging Patterns Plus (OCLEP+).

机器学习 · 计算机科学 2018-11-27 Guozhu Dong , Sai Kiran Pentukar

Time series anomaly detection is instrumental in maintaining system availability in various domains. Current work in this research line mainly focuses on learning data normality deeply and comprehensively by devising advanced neural network…

机器学习 · 计算机科学 2024-04-25 Hongzuo Xu , Yijie Wang , Songlei Jian , Qing Liao , Yongjun Wang , Guansong Pang

A general approach for anomaly detection or novelty detection consists in estimating high density regions or Minimum Volume (MV) sets. The One-Class Support Vector Machine (OCSVM) is a state-of-the-art algorithm for estimating such regions…

机器学习 · 统计学 2015-09-01 Albert Thomas , Vincent Feuillard , Alexandre Gramfort

Object identification is one of the most fundamental and difficult issues in computer vision. It aims to discover object instances in real pictures from a huge number of established categories. In recent years, deep learning-based object…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Venkata Beri

For a long time, research on time series anomaly detection has mainly focused on finding outliers within a given time series. Admittedly, this is consistent with some practical problems, but in other practical application scenarios, people…

机器学习 · 计算机科学 2024-02-06 Hanxu Zhou , Yuan Zhang , Guangjie Leng , Ruofan Wang , Zhi-Qin John Xu

Learning compositional representation is a key aspect of object-centric learning as it enables flexible systematic generalization and supports complex visual reasoning. However, most of the existing approaches rely on auto-encoding…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Whie Jung , Jaehoon Yoo , Sungjin Ahn , Seunghoon Hong

Exploring the most task-friendly camera setting -- optimal camera placement (OCP) problem -- in tasks that use multiple cameras is of great importance. However, few existing OCP solutions specialize in depth observation of indoor scenes,…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Yichuan Chen , Manabu Tsukada , Hiroshi Esaki

Over the past decades, for One-Class Collaborative Filtering (OCCF), many learning objectives have been researched based on a variety of underlying probabilistic models. From our analysis, we observe that models trained with different OCCF…

机器学习 · 计算机科学 2022-03-01 SeongKu Kang , Dongha Lee , Wonbin Kweon , Junyoung Hwang , Hwanjo Yu

A common practice in transfer learning is to initialize the downstream model weights by pre-training on a data-abundant upstream task. In object detection specifically, the feature backbone is typically initialized with Imagenet classifier…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Cristina Vasconcelos , Vighnesh Birodkar , Vincent Dumoulin

In anomaly detection, a prominent task is to induce a model to identify anomalies learned solely based on normal data. Generally, one is interested in finding an anomaly detector that correctly identifies anomalies, i.e., data points that…

机器学习 · 计算机科学 2022-11-28 David Schubert , Pritha Gupta , Marcel Wever

Video anomaly detection is often seen as one-class classification (OCC) problem due to the limited availability of anomaly examples. Typically, to tackle this problem, an autoencoder (AE) is trained to reconstruct the input with training…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Marcella Astrid , Muhammad Zaigham Zaheer , Jae-Yeong Lee , Seung-Ik Lee