Learning from class-imbalanced data: review of data driven methods and algorithm driven methods

CY Huang, HL Dai - Data Science in Finance and Economics, 2021 - aimspress.com
As an important part of machine learning, classification learning has been applied in many
practical fields. It is valuable that to discuss class imbalance learning in several fields. In this …

[HTML][HTML] An efficiency curve for evaluating imbalanced classifiers considering intrinsic data characteristics: Experimental analysis

X Chao, G Kou, Y Peng, A Fernández - Information Sciences, 2022 - Elsevier
Balancing the accuracy rates of the majority and minority classes is challenging in
imbalanced classification. Furthermore, data characteristics have a significant impact on the …

Distributed classification for imbalanced big data in distributed environments

H Wang, M **ao, C Wu, J Zhang - Wireless Networks, 2024 - Springer
Recently, with the development of technology, it is quite important to study scalable
computational methods for handling large-scale data in big data applications. The …

Prediction of flood risk levels of urban flooded points though using machine learning with unbalanced data

H Wang, Y Meng, H Xu, H Wang, X Guan, Y Liu… - Journal of …, 2024 - Elsevier
With the emphasis on preventing urban flooding and the enhancement of rational urban
development, data related to urban flooding are also collected with unbalanced sample size …

Classification algorithm for class imbalanced data based on optimized Mahalanobis-Taguchi system

T Mao, L Zhou, Y Zhang, Y Sun - Applied Intelligence, 2022 - Springer
Imbalanced data classification is a challenge in data mining and machine learning. To
improve the classification performance for imbalanced data, this paper proposes an …

Random sleep scheme-based distributed optimization algorithm over unbalanced time-varying networks

H Li, Z Wang, D **a, Q Han - IEEE Transactions on Systems …, 2019 - ieeexplore.ieee.org
This article considers a category of constrained convex optimization problems over
multiagent networks. The networked agents aim at collaboratively minimizing the sum of all …

Optimization and Learning With Randomly Compressed Gradient Updates

Z Huang, Y Lei, A Kabán - Neural Computation, 2023 - direct.mit.edu
Gradient descent methods are simple and efficient optimization algorithms with widespread
applications. To handle high-dimensional problems, we study compressed stochastic …

Research on imbalanced microscopic image classification of harmful algae

Q **aoyan - IEEE Access, 2020 - ieeexplore.ieee.org
Image analysis based on biological morphological differences is an important development
direction for classification and determination of planktonic algae. However, it has some …

Prediction of post-translational modification cross-talk and mutation within proteins via imbalanced learning

L Deng, F Zhu, Y He, F Meng - Expert Systems with Applications, 2023 - Elsevier
Post-translational modification (PTM) is crucial for various cell signaling pathways and
biological processes. However, the interactions between PTMs (PTM cross-talk) or PTMs …

[PDF][PDF] Hybrid approach redefinition with cluster-based instance selection in handling class imbalance problem

E Ongko, D Abdullah - International Journal of Advances in …, 2021 - baraka.uma.ac.id
Class Imbalance problems are characterized by the presence of a class with a number of
instances that are much smaller (minority class) and other classes with a much larger …