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Related papers: Deep Synthetic Minority Over-Sampling Technique

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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

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

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

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

In this work, we employ the Synthetic Minority Oversampling Technique (SMOTE) to generate instances of the minority class of an imbalanced Coronary Artery Disease dataset. We firstly analyze the public dataset Z -- Alizadeh Sani, a dataset…

Medical Physics · Physics 2020-04-09 Ioannis D. Apostolopoulos

Imbalanced Learning is an important learning algorithm for the classification models, which have enjoyed much popularity on many applications. Typically, imbalanced learning algorithms can be partitioned into two types, i.e., data level…

Machine Learning · Computer Science 2018-10-25 Tianlun Zhang , Xi Yang

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

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

Hypergraphs are increasingly utilized in both unimodal and multimodal data scenarios due to their superior ability to model and extract higher-order relationships among nodes, compared to traditional graphs. However, current hypergraph…

Machine Learning · Computer Science 2024-09-10 Ziming Zhao , Tiehua Zhang , Zijian Yi , Zhishu Shen

Imbalanced Data (ID) is a problem that deters Machine Learning (ML) models for achieving satisfactory results. ID is the occurrence of a situation where the quantity of the samples belonging to one class outnumbers that of the other by a…

Class imbalance in a dataset is a major problem for classifiers that results in poor prediction with a high true positive rate (TPR) but a low true negative rate (TNR) for a majority positive training dataset. Generally, the pre-processing…

Machine Learning · Computer Science 2022-03-29 Anuraganand Sharma , Prabhat Kumar Singh , Rohitash Chandra

For several years till date, the major issues in terms of solving for classification problems are the issues of Imbalanced data. Because majority of the machine learning algorithms by default assumes all data are balanced, the algorithms do…

Machine Learning · Statistics 2020-10-12 Richmond Addo Danquah

Data imbalance, that is the disproportion between the number of training observations coming from different classes, remains one of the most significant challenges affecting contemporary machine learning. The negative impact of data…

Machine Learning · Computer Science 2021-11-30 Michał Koziarski

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

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

Recent advances in a generative neural network model extend the development of data augmentation methods. However, the augmentation methods based on the modern generative models fail to achieve notable performance for class imbalance data…

Machine Learning · Computer Science 2025-07-08 Sungchul Hong , Seunghwan An , Jong-June Jeon

SMOTE is one of the oversampling techniques for balancing the datasets and it is considered as a pre-processing step in learning algorithms. In this paper, four new enhanced SMOTE are proposed that include an improved version of KNN in…

Machine Learning · Computer Science 2018-04-04 Sima Sharifirad , Azra Nazari , Mehdi Ghatee

Urban datasets such as citizen transportation modes often contain disproportionately distributed classes, posing significant challenges to the classification of under-represented samples using data-driven models. In the literature, various…

Machine Learning · Computer Science 2025-04-15 Guang An Ooi , Shehab Ahmed

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

Class imbalance in a dataset is one of the major challenges that can significantly impact the performance of machine learning models resulting in biased predictions. Numerous techniques have been proposed to address class imbalanced…

Machine Learning · Computer Science 2022-10-25 Md Manjurul Ahsan , Md Shahin Ali , Zahed Siddique