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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

Class imbalance remains a critical challenge in machine learning (ML), particularly in the medical domain, where underrepresented minority classes lead to biased models and reduced predictive performance. This study introduces…

Machine Learning · Computer Science 2025-09-04 Vikas Kashtriya , Pardeep Singh

Classifying imbalanced datasets remains a significant challenge in machine learning, particularly with big data where instances are unevenly distributed among classes, leading to class imbalance issues that impact classifier performance.…

Machine Learning · Computer Science 2025-04-18 Khaled SH. Raslan , Almohammady S. Alsharkawy , K. R. Raslan

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

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

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

Learning from class-imbalanced data continues to be a common and challenging problem in supervised learning as standard classification algorithms are designed to handle balanced class distributions. While different strategies exist to…

Machine Learning · Computer Science 2020-03-06 Felix Last , Georgios Douzas , Fernando Bacao

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

Classification of imbalanced data is one of the common problems in the recent field of data mining. Imbalanced data substantially affects the performance of standard classification models. Data-level approaches mainly use the oversampling…

Machine Learning · Computer Science 2021-05-11 Seung Jee Yang , Kyung Joon Cha

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

Imbalanced datasets are a fundamental issue in industrial condition monitoring and fault classification pipelines, causing classical machine learning models to overfit the majority classes while failing to learn the minority fault patterns.…

Quantum Physics · Physics 2026-01-19 Amit S. Patel , Himanshukumar R. Patel , Bikash K. Behera

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

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

Imbalanced datasets, where one class significantly outnumbers others, remain a persistent challenge in machine learning, often biasing predictions toward the majority class and degrading classifier performance. This paper provides a…

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

Imbalanced class distribution is a common problem in a number of fields including medical diagnostics, fraud detection, and others. It causes bias in classification algorithms leading to poor performance on the minority class data. In this…

Machine Learning · Computer Science 2020-09-23 Firuz Kamalov , Dmitry Denisov

Class imbalance in binary classification tasks remains a significant challenge in machine learning, often resulting in poor performance on minority classes. This study comprehensively evaluates three widely-used strategies for handling…

Machine Learning · Computer Science 2024-10-01 Mohamed Abdelhamid , Abhyuday Desai

Quantum-inspired machine learning (QiML) employs mathematical principles from quantum theory, such as Hilbert-space representations and quantum state discrimination, to enhance classical learning algorithms. In this work, we investigate the…

Machine Learning · Computer Science 2026-05-14 Bikash K. Behera , Giuseppe Sergioli , Roberto Giuntini

Post-training quantization~(PTQ) of transformer language models faces significant challenges due to the existence of detrimental outliers in activations. We observe that these outliers are concentrated in specific channels and are…

Computation and Language · Computer Science 2023-10-24 Xiuying Wei , Yunchen Zhang , Yuhang Li , Xiangguo Zhang , Ruihao Gong , Jinyang Guo , Xianglong Liu

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
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