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Numerous studies attempt to mitigate classification bias caused by class imbalance. However, existing studies have yet to explore the collaborative optimization of imbalanced learning and model training. This constraint hinders further…

机器学习 · 计算机科学 2025-12-30 Chuantao Li , Zhi Li , Jiahao Xu , Jie Li , Sheng Li

Binary classification with an imbalanced dataset is challenging. Models tend to consider all samples as belonging to the majority class. Although existing solutions such as sampling methods, cost-sensitive methods, and ensemble learning…

机器学习 · 计算机科学 2022-07-08 Hsin-Han Tsai , Ta-Wei Yang , Wai-Man Wong , Cheng-Fu Chou

The collected data from industrial machines are often imbalanced, which poses a negative effect on learning algorithms. However, this problem becomes more challenging for a mixed type of data or while there is overlapping between classes.…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Masoumeh Zareapoor , Pourya Shamsolmoali , Jie Yang

Class-imbalance refers to classification problems in which many more instances are available for certain classes than for others. Such imbalanced datasets require special attention because traditional classifiers generally favor the…

机器学习 · 统计学 2018-11-30 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

Machine learning models often rely on simple spurious features -- patterns in training data that correlate with targets but are not causally related to them, like image backgrounds in foreground classification. This reliance typically leads…

机器学习 · 计算机科学 2025-06-06 Chenyu You , Haocheng Dai , Yifei Min , Jasjeet S. Sekhon , Sarang Joshi , James S. Duncan

A key element of any machine learning algorithm is the use of a function that measures the dis/similarity between data points. Given a task, such a function can be optimized with a metric learning algorithm. Although this research field has…

机器学习 · 统计学 2019-09-05 Léo Gautheron , Emilie Morvant , Amaury Habrard , Marc Sebban

The number of credit card fraud has been growing as technology grows and people can take advantage of it. Therefore, it is very important to implement a robust and effective method to detect such frauds. The machine learning algorithms are…

机器学习 · 计算机科学 2022-06-14 Sairamvinay Vijayaraghavan , Terry Guan , Jason , Song

Transductive graph-based semi-supervised learning methods usually build an undirected graph utilizing both labeled and unlabeled samples as vertices. Those methods propagate label information of labeled samples to neighbors through their…

机器学习 · 计算机科学 2013-12-25 Fengqi Li , Chuang Yu , Nanhai Yang , Feng Xia , Guangming Li , Fatemeh Kaveh-Yazdy

To overcome the data-hungry challenge, we have proposed a semi-supervised contrastive learning framework for the task of class-imbalanced semantic segmentation. First and foremost, to make the model operate in a semi-supervised manner, we…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Kangcheng Liu

Over the past decade, previous balanced datasets have been used to advance deep learning algorithms for industrial applications. In urban infrastructures and living environments, damage data mining cannot avoid imbalanced data issues…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Takato Yasuno

A key challenge in Machine Learning is class imbalance, where the sample size of some classes (majority classes) are much higher than that of the other classes (minority classes). If we were to train a classifier directly on imbalanced…

机器学习 · 计算机科学 2022-08-08 Yuxiao Huang , Yan Ma

Real-world datasets are often highly class-imbalanced, which can adversely impact the performance of deep learning models. The majority of research on training neural networks under class imbalance has focused on specialized loss functions,…

机器学习 · 计算机科学 2023-12-06 Ravid Shwartz-Ziv , Micah Goldblum , Yucen Lily Li , C. Bayan Bruss , Andrew Gordon Wilson

Risk prediction models are increasingly used in healthcare to aid in clinical decision making. In most clinical contexts, model calibration (i.e., assessing the reliability of risk estimates) is critical. Data available for model…

统计方法学 · 统计学 2024-05-01 Alex Carriero , Kim Luijken , Anne de Hond , Karel GM Moons , Ben van Calster , Maarten van Smeden

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

Regression models often fail to generalize effectively in regions characterized by highly imbalanced label distributions. Previous methods for deep imbalanced regression rely on gradient-based weight updates, which tend to overfit in…

机器学习 · 计算机科学 2024-11-21 Ismail Nejjar , Faez Ahmed , Olga Fink

Deep learning enables impressive performance in image recognition using large-scale artificially-balanced datasets. However, real-world datasets exhibit highly class-imbalanced distributions, yielding two main challenges: relative imbalance…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Saurabh Sharma , Ning Yu , Mario Fritz , Bernt Schiele

Deep learning models are known to often learn features that spuriously correlate with the class label during training but are irrelevant to the prediction task. Existing methods typically address this issue by annotating potential spurious…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Weiwei Li , Junzhuo Liu , Yuanyuan Ren , Yuchen Zheng , Yahao Liu , Wen Li

Visual attribute imbalance is a common yet underexplored issue in image classification, significantly impacting model performance and generalization. In this work, we first define the first-level and second-level attributes of images and…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Jiayi Chen , Yanbiao Ma , Andi Zhang , Weidong Tang , Wei Dai , Bowei Liu

In this paper, we propose mean squared error (MSE) loss with outlying label for class imbalanced classification. Cross entropy (CE) loss, which is widely used for image recognition, is learned so that the probability value of true class is…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Sota Kato , Kazuhiro Hotta

Semantic segmentation is a fundamental computer vision task with a vast number of applications. State of the art methods increasingly rely on deep learning models, known to incorrectly estimate uncertainty and being overconfident in…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Luís Almeida , Inês Dutra , Francesco Renna