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相关论文: Imbalance Problems in Object Detection: A Review

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Class imbalance remains a major challenge in machine learning, especially in multi-class problems with long-tailed distributions. Existing methods, such as data resampling, cost-sensitive techniques, and logistic loss modifications, though…

机器学习 · 计算机科学 2025-12-30 Corinna Cortes , Anqi Mao , Mehryar Mohri , Yutao Zhong

Motivated by applications in protein function prediction, we consider a challenging supervised classification setting in which positive labels are scarce and there are no explicit negative labels. The learning algorithm must thus select…

机器学习 · 计算机科学 2019-01-28 Marco Frasca , Nicolò Cesa-Bianchi

Recent decades have seen the discovery of numerous complex materials. At the root of the complexity underlying many of these materials lies a large number of possible contending atomic- and larger-scale configurations and the intricate…

材料科学 · 物理学 2023-01-30 P. Ronhovde , S. Chakrabarty , M. Sahu , K. K. Sahu , K. F. Kelton , N. Mauro , Z. Nussinov

Real-world large-scale datasets are heteroskedastic and imbalanced -- labels have varying levels of uncertainty and label distributions are long-tailed. Heteroskedasticity and imbalance challenge deep learning algorithms due to the…

机器学习 · 计算机科学 2021-03-19 Kaidi Cao , Yining Chen , Junwei Lu , Nikos Arechiga , Adrien Gaidon , Tengyu Ma

Metallography is crucial for a proper assessment of material's properties. It involves mainly the investigation of spatial distribution of grains and the occurrence and characteristics of inclusions or precipitates. This work presents an…

材料科学 · 物理学 2022-03-02 Matan Rusanovsky , Ofer Beeri , Gal Oren

Classification tasks require a balanced distribution of data to ensure the learner to be trained to generalize over all classes. In real-world datasets, however, the number of instances vary substantially among classes. This typically leads…

机器学习 · 计算机科学 2020-11-24 Joel Jang , Yoonjeon Kim , Kyoungho Choi , Sungho Suh

Context is an important factor in computer vision as it offers valuable information to clarify and analyze visual data. Utilizing the contextual information inherent in an image or a video can improve the precision and effectiveness of…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Mahtab Jamali , Paul Davidsson , Reza Khoshkangini , Martin Georg Ljungqvist , Radu-Casian Mihailescu

Advances in vision-based sensors and computer vision algorithms have significantly improved the analysis and understanding of traffic scenarios. To facilitate the use of these improvements for road safety, this survey systematically…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yaoqi Huang , Julie Stephany Berrio , Mao Shan , Stewart Worrall

The goal of this paper is to further develop an approach to inverse problems with imperfect forward operators that is based on partially ordered spaces. Studying the dual problem yields useful insights into the convergence of the…

数值分析 · 数学 2019-01-30 Martin Burger , Yury Korolev , Julian Rasch

Deep learning methods can classify various unstructured data such as images, language, and voice as input data. As the task of classifying anomalies becomes more important in the real world, various methods exist for classifying using deep…

计算机视觉与模式识别 · 计算机科学 2022-01-06 UJu Gim , YeongHyeon Park

As a core problem in computer vision, the performance of object detection has improved drastically in the past few years. Despite their impressive performance, object detectors suffer from a lack of interpretability. Visualization…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Ang Cao , Justin Johnson

In real-world applications, as data availability increases, obtaining labeled data for machine learning (ML) projects remains challenging due to the high costs and intensive efforts required for data annotation. Many ML projects,…

机器学习 · 计算机科学 2024-12-24 Ismail Hakki Karaman , Gulser Koksal , Levent Eriskin , Salih Salihoglu

Automated X-ray inspection is crucial for efficient and unobtrusive security screening in various public settings. However, challenges such as object occlusion, variations in the physical properties of items, diversity in X-ray scanning…

The work discusses the use of machine learning algorithms for anomaly detection in medical image analysis and how the performance of these algorithms depends on the number of annotators and the quality of labels. To address the issue of…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Hieu H. Pham , Khiem H. Le , Tuan V. Tran , Ha Q. Nguyen

In this study, we systematically investigate the impact of class imbalance on classification performance of convolutional neural networks (CNNs) and compare frequently used methods to address the issue. Class imbalance is a common problem…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Mateusz Buda , Atsuto Maki , Maciej A. Mazurowski

Existing video anomaly detection datasets are inadequate for representing complex anomalies that occur due to the interactions between objects. The absence of complex anomalies in previous video anomaly detection datasets affects research…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Furkan Mumcu , Michael J. Jones , Yasin Yilmaz , Anoop Cherian

Radiologists routinely detect and size lesions in CT to stage cancer and assess tumor burden. To potentially aid their efforts, multiple lesion detection algorithms have been developed with a large public dataset called DeepLesion (32,735…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Peter D. Erickson , Tejas Sudharshan Mathai , Ronald M. Summers

We consider the problem of enriching current object detection systems with veridical object sizes and relative depth estimates from a single image. There are several technical challenges to this, such as occlusions, lack of calibration data…

计算机视觉与模式识别 · 计算机科学 2015-10-02 Abhishek Kar , Shubham Tulsiani , João Carreira , Jitendra Malik

The purpose of this research report is to present the our learning curve and the exposure to the Machine Learning life cycle, with the use of a Kaggle binary classification data set and taking to explore various techniques from…

机器学习 · 计算机科学 2021-05-25 Mohamed Hamama

Deep learning approaches to anomaly detection have recently improved the state of the art in detection performance on complex datasets such as large collections of images or text. These results have sparked a renewed interest in the anomaly…