Class-overlap detection based on heterogeneous clustering ensemble for multi-class imbalance problem

Q Dai, L Wang, K Xu, T Du, L Chen - Expert Systems with Applications, 2024 - Elsevier
The class imbalance problem is one of the main challenges that hinders classifiers from
identifying unknown instances. When class distribution imbalance and class overlap coexist …

Hybrid density-based adaptive weighted collaborative representation for imbalanced learning

Y Li, S Wang, J **, H Tao, C Han, CLP Chen - Applied Intelligence, 2024 - Springer
Collaborative representation-based classification (CRC) has been extensively applied to
various recognition fields due to its effectiveness and efficiency. Nevertheless, it is generally …

Efficacy assessment for multi-vehicle formations based on data augmentation considering reliability

H Zhang, R Yang, W He - Advanced Engineering Informatics, 2024 - Elsevier
Nowadays, aerial vehicle swarm (AVS) formations have been widely applied to military
actions. Meanwhile, assessing their efficacy has also received increasing attention due to …

A multi-model ensemble learning framework for imbalanced android malware detection

H Zhu, Y Li, L Wang, VS Sheng - Expert Systems with Applications, 2023 - Elsevier
The continuous malicious software (malware) attacks on smartphones pose a serious threat
to the security of users, especially the dominant platform Android. Data-driven methods …

CTGAN-MOS: Conditional generative adversarial network based minority-class-augmented oversampling scheme for imbalanced problems

A Majeed, SO Hwang - IEEE Access, 2023 - ieeexplore.ieee.org
This paper proposes a novel data augmentation scheme called the conditional generative
adversarial network minority-class-augmented oversampling scheme (CTGAN-MOS) for …

Cooperative performance assessment for multiagent systems based on the belief rule base with continuous inputs

H Zhang, R Yang, W He, Z Feng - Information Sciences, 2024 - Elsevier
By dint of the advantage of deeply integrating empirical knowledge and monitoring data, the
belief rule base (BRB) is widely used to assess the performance of complex systems …

A neighborhood rough sets-based ensemble method, with application to software fault prediction

F Jiang, Q Hu, Z Yang, J Liu, J Du - Expert Systems with Applications, 2025 - Elsevier
Software fault prediction (SFP) aims to detect fault-prone software modules, which is
beneficial for allocating software testing resources and improving software quality. Recently …

An adversarial transfer imbalanced classification framework via cross-category commonality information extraction and joint discrimination

Z Meng, X Gao, H Tan, H Yu, X Diao, T Chen… - Expert Systems with …, 2025 - Elsevier
Data imbalance is the main factor causing inaccurate classification results. Data-level
methods have achieved certain advantages in dealing with data imbalance problems, but …

A meta-learning imbalanced classification framework via boundary enhancement strategy with Bayes imbalance impact index

Q Li, X Gao, H Lu, B Li, F Zhai, T Wang, Z Meng, Y Hao - Neural Networks, 2025 - Elsevier
For imbalanced classification problem, algorithm-level methods can effectively avoid the
information loss and noise introduction of data-level methods. However, the differences in …

A multimodal data generation method for imbalanced classification with dual-discriminator constrained diffusion model and adaptive sample selection strategy

Q Li, X Gao, H Lu, B Li, F Zhai, T Wang, Z Meng, Y Hao - Information Fusion, 2025 - Elsevier
Data-level methods often suffer from mode collapse when the minority class has multiple
distribution patterns. Some studies have tried addressing the problem using similarity …