中文
相关论文

相关论文: AdaLAM: Revisiting Handcrafted Outlier Detection

200 篇论文

Image feature matching is to seek, localize and identify the similarities across the images. The matched local features between different images can indicate the similarities of their content. Resilience of image feature matching to large…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Biao Zhao , Shigang Yue

Often the challenge associated with tasks like fraud and spam detection is the lack of all likely patterns needed to train suitable supervised learning models. This problem accentuates when the fraudulent patterns are not only scarce, they…

机器学习 · 计算机科学 2019-05-08 Utkarsh Porwal , Smruthi Mukund

Recommender systems are designed to suggest items based on user preferences, helping users navigate the vast amount of information available on the internet. Given the overwhelming content, outlier detection has emerged as a key research…

信息检索 · 计算机科学 2024-10-02 Mahamudul Hasan

Industrial anomaly detection is an important task within computer vision with a wide range of practical use cases. The small size of anomalous regions in many real-world datasets necessitates processing the images at a high resolution. This…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Blaž Rolih , Dick Ameln , Ashwin Vaidya , Samet Akcay

In order to allow machine learning algorithms to extract knowledge from raw data, these data must first be cleaned, transformed, and put into machine-appropriate form. These often very time-consuming phase is referred to as preprocessing.…

机器学习 · 计算机科学 2021-11-19 David Cemernek

Unsupervised outlier detection constitutes a crucial phase within data analysis and remains a dynamic realm of research. A good outlier detection algorithm should be computationally efficient, robust to tuning parameter selection, and…

机器学习 · 统计学 2024-09-23 Sheikh Arafat , Na Sun , Maria L. Weese , Waldyn G. Martinez

Outliers are ubiquitous in modern data sets. Distance-based techniques are a popular non-parametric approach to outlier detection as they require no prior assumptions on the data generating distribution and are simple to implement. Scaling…

机器学习 · 统计学 2016-05-04 Mario Lucic , Olivier Bachem , Andreas Krause

Lidar SLAM plays a significant role in mobile robot navigation and high-definition map construction. However, existing methods often face a trade-off between localization accuracy and system robustness in scenarios with a high proportion of…

机器人学 · 计算机科学 2025-12-02 Yongxin Shao , Aihong Tan , Binrui Wang , Yinlian Jin , Licong Guan , Peng Liao

Outlier detection is the identification of points in a dataset that do not conform to the norm. Outlier detection is highly sensitive to the choice of the detection algorithm and the feature subspace used by the algorithm. Extracting…

人工智能 · 计算机科学 2017-05-18 Yanjie Fu , Charu Aggarwal , Srinivasan Parthasarathy , Deepak S. Turaga , Hui Xiong

Given an unlabeled dataset, wherein we have access only to pairwise similarities (or distances), how can we effectively (1) detect outliers, and (2) annotate/tag the outliers by type? Outlier detection has a large literature, yet we find a…

机器学习 · 计算机科学 2021-10-19 Guilherme D. F. Silva , Leman Akoglu , Robson L. F. Cordeiro

Outlier detection is one of the most important processes taken to create good, reliable data in machine learning. The most methods of outlier detection leverage an auxiliary reconstruction task by assuming that outliers are more difficult…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Ning Huyan , Dou Quan , Xiangrong Zhang , Xuefeng Liang , Jocelyn Chanussot , Licheng Jiao

Due to the intractability of characterizing everything that looks unlike the normal data, anomaly detection (AD) is traditionally treated as an unsupervised problem utilizing only normal samples. However, it has recently been found that…

计算机视觉与模式识别 · 计算机科学 2023-01-29 Philipp Liznerski , Lukas Ruff , Robert A. Vandermeulen , Billy Joe Franks , Klaus-Robert Müller , Marius Kloft

Out-of-distribution (OOD) detection methods often exploit auxiliary outliers to train model identifying OOD samples, especially discovering challenging outliers from auxiliary outliers dataset to improve OOD detection. However, they may…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Yichen Bai , Zongbo Han , Changqing Zhang , Bing Cao , Xiaoheng Jiang , Qinghua Hu

Anomaly and outlier detection is a long-standing problem in machine learning. In some cases, anomaly detection is easy, such as when data are drawn from well-characterized distributions such as the Gaussian. However, when data occupy…

机器学习 · 计算机科学 2021-11-24 Najib Ishaq , Thomas J. Howard , Noah M. Daniels

Line detection is widely used in many robotic tasks such as scene recognition, 3D reconstruction, and simultaneous localization and mapping (SLAM). Compared to points, lines can provide both low-level and high-level geometrical information…

机器人学 · 计算机科学 2025-08-12 Xiao Lin , Chen Wang

In this paper, we address the problem of detecting small, dense, and overlapping objects, a major challenge in computer vision. Our focus is on reviewing proposed methods based on deep learning supervised approaches. We provide a detailed…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Oussama Messai , Abbass Zein-Eddine , Abdelouahid Bentamou , Mickael Picq , Nicolas Duquesne , Stéphane Puydarrieux , Yann Gavet

An outlier is an observation or a data point that is far from rest of the data points in a given dataset or we can be said that an outlier is away from the center of mass of observations. Presence of outliers can skew statistical measures…

机器学习 · 计算机科学 2021-06-17 Amulya Agarwal , Nitin Gupta

In recent years the machine learning techniques have shown a great potential in various problems from a multitude of disciplines, including materials design and drug discovery. The high computational speed on the one hand and the accuracy…

化学物理 · 物理学 2018-05-09 Konstantin Gubaev , Evgeny V. Podryabinkin , Alexander V. Shapeev

The traditional homography estimation pipeline consists of four main steps: feature detection, feature matching, outlier removal and transformation estimation. Recent deep learning models intend to address the homography estimation problem…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Yi Li , Wenjie Pei , Zhenyu He

Out-of-distribution (OOD) detection is crucial for ensuring reliable deployment of machine learning models. Recent advancements focus on utilizing easily accessible auxiliary outliers (e.g., data from the web or other datasets) in training.…

机器学习 · 计算机科学 2024-11-22 Haiyun Yao , Zongbo Han , Huazhu Fu , Xi Peng , Qinghua Hu , Changqing Zhang