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Class imbalance refers to the significant difference in the number of samples from different classes within a dataset, making it challenging to identify minority class samples correctly. This issue is prevalent in real-world classification…

Machine Learning · Computer Science 2024-08-08 Yi-Yang Shangguan , Shi-Shun Chen , Xiao-Yang Li

SMOTE (Synthetic Minority Oversampling Technique) is the established geometric approach to random oversampling to balance classes in the imbalanced learning problem, followed by many extensions. Its idea is to introduce synthetic data…

Machine Learning · Computer Science 2025-03-06 Oleg Kachan , Andrey Savchenko , Gleb Gusev

This paper introduces a novel oversampling technique designed to improve classification performance on imbalanced datasets. The proposed method enhances the traditional SMOTE algorithm by incorporating convex combination and kernel-based…

Machine Learning · Computer Science 2025-04-15 Wenjie Li , Sibo Zhu , Zhijian Li , Hanlin Wang

Synthetic Minority Over-sampling Technique (SMOTE) is the most popular over-sampling method. However, its random nature makes the synthesized data and even imbalanced classification results unstable. It means that in case of running SMOTE n…

Machine Learning · Computer Science 2020-03-24 Hadi Mansourifar , Weidong Shi

The paper proposes the Quantum-SMOTE method, a novel solution that uses quantum computing techniques to solve the prevalent problem of class imbalance in machine learning datasets. Quantum-SMOTE, inspired by the Synthetic Minority…

Quantum Physics · Physics 2025-03-31 Nishikanta Mohanty , Bikash K. Behera , Christopher Ferrie , Pravat Dash

The Synthetic Minority Over-sampling Technique (SMOTE) is one of the most widely used methods for addressing class imbalance and generating synthetic data. Despite its popularity, little attention has been paid to its privacy implications;…

Cryptography and Security · Computer Science 2026-03-03 Georgi Ganev , Reza Nazari , Rees Davison , Amir Dizche , Xinmin Wu , Ralph Abbey , Jorge Silva , Emiliano De Cristofaro

Imbalance in the proportion of training samples belonging to different classes often poses performance degradation of conventional classifiers. This is primarily due to the tendency of the classifier to be biased towards the majority…

Machine Learning · Computer Science 2021-03-30 Ayush Tripathi , Rupayan Chakraborty , Sunil Kumar Kopparapu

In this paper we propose a novel data-level algorithm for handling data imbalance in the classification task, Synthetic Majority Undersampling Technique (SMUTE). SMUTE leverages the concept of interpolation of nearby instances, previously…

Machine Learning · Computer Science 2021-04-20 Michał Koziarski

An approach to the construction of classifiers from imbalanced datasets is described. A dataset is imbalanced if the classification categories are not approximately equally represented. Often real-world data sets are predominately composed…

Artificial Intelligence · Computer Science 2011-11-25 N. V. Chawla , K. W. Bowyer , L. O. Hall , W. P. Kegelmeyer

Synthetic oversampling of minority examples using SMOTE and its variants is a leading strategy for addressing imbalanced classification problems. Despite the success of this approach in practice, its theoretical foundations remain…

Machine Learning · Statistics 2025-10-24 Touqeer Ahmad , Mohammadreza M. Kalan , François Portier , Gilles Stupfler

Data scarcity and class imbalance are persistent challenges in training robust NLP models, especially in specialized domains or low-resource settings. We propose a novel technique, SMOTExT, that adapts the idea of Synthetic Minority…

Computation and Language · Computer Science 2025-05-20 Mateusz Bystroński , Mikołaj Hołysz , Grzegorz Piotrowski , Nitesh V. Chawla , Tomasz Kajdanowicz

Synthetic Minority Oversampling Technique (SMOTE) is a common rebalancing strategy for handling imbalanced tabular data sets. However, few works analyze SMOTE theoretically. In this paper, we derive several non-asymptotic upper bound on…

Machine Learning · Statistics 2026-03-18 Abdoulaye Sakho , Emmanuel Malherbe , Erwan Scornet

In this research we use a data stream approach to mining data and construct Decision Tree models that predict software build outcomes in terms of software metrics that are derived from source code used in the software construction process.…

Software Engineering · Computer Science 2014-07-10 Russel Pears , Jacqui Finlay , Andy M. Connor

Handling imbalanced datasets is a challenging problem that if not treated correctly results in reduced classification performance. Imbalanced datasets are commonly handled using minority oversampling, whereas the SMOTE algorithm is a…

Machine Learning · Computer Science 2016-07-25 Xi Zhang , Di Ma , Lin Gan , Shanshan Jiang , Gady Agam

Data-driven fault diagnostics and prognostics suffers from class-imbalance problem in industrial systems and it raises challenges to common machine learning algorithms as it becomes difficult to learn the features of the minority class…

Machine Learning · Computer Science 2018-11-20 Wenfang Lin , Zhenyu Wu , Yang Ji

The Synthetic Minority Oversampling TEchnique (SMOTE) is widely-used for the analysis of imbalanced datasets. It is known that SMOTE frequently over-generalizes the minority class, leading to misclassifications for the majority class, and…

Machine Learning · Computer Science 2020-08-18 Saptarshi Bej , Narek Davtyan , Markus Wolfien , Mariam Nassar , Olaf Wolkenhauer

With the abundance of industrial datasets, imbalanced classification has become a common problem in several application domains. Oversampling is an effective method to solve imbalanced classification. One of the main challenges of the…

Machine Learning · Computer Science 2022-07-18 Min Qian , Yan-Fu Li

Classification of imbalanced datasets is a challenging task for standard algorithms. Although many methods exist to address this problem in different ways, generating artificial data for the minority class is a more general approach…

Machine Learning · Computer Science 2017-09-22 Georgios Douzas , Fernando Bacao

Given imbalanced data, it is hard to train a good classifier using deep learning because of the poor generalization of minority classes. Traditionally, the well-known synthetic minority oversampling technique (SMOTE) for data augmentation,…

Machine Learning · Computer Science 2023-11-06 Wei-Chao Cheng , Tan-Ha Mai , Hsuan-Tien Lin

Class imbalance is a substantial challenge in classifying many real-world cases. Synthetic over-sampling methods have been effective to improve the performance of classifiers for imbalance problems. However, most synthetic over-sampling…

Machine Learning · Computer Science 2021-08-11 Hadi A. Khorshidi , Uwe Aickelin
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