Class Imbalance

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Period ending 2026-09-21

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A weekly snapshot of new work published in Class Imbalance.

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148 papers

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  1. CW-B: Class Weighted Boosting Framework for Imbalance Resilient Multi Class Cardiac Phenotyping

    Jun 29, 2026Sijia Li, Xiaoyu Tan, Chen Zhan +3Extreme Class ImbalancePhenotypes

  2. The Hidden Cost of Resampling: How Imbalance Correction Degrades Probability Calibration in Tree Ensembles

    Jun 29, 2026Zewen LiuOversamplingExtreme Class Imbalance

  3. When Does Synthetic Data Augmentation Improve Score-Based Imbalanced Classification?

    Jun 24, 2026Zhengchi Ma, Pengfei Lyu, Anru R. ZhangOversamplingClass Imbalance

  4. FedReLa: Imbalanced Federated Learning via Re-Labeling

    Jun 24, 2026Guangzheng Hu, Patricia Menéndez, Feng Liu +3Federated LearningClass Imbalance

  5. QC-SMOTE: Quality-Controlled SMOTE for Imbalanced Classification

    Jun 23, 2026Parth Upman, Shreyank N GowdaOversamplingExtreme Class Imbalance

  6. Training Dynamics of Neural Software Defect Predictors under Coupled Data-Quality Issues

    Jun 23, 2026Emmanuel Charleson Dapaah, Philip Makedonski, Jens GrabowskiClass ImbalanceTraining Data

  7. Explainable AI for Mental Health Prediction in Drug-Affected Populations with Dragonfly Algorithm and GAN Oversampling

    Jun 22, 2026Ahnaf Atef Choudhury, Shahriar Siddique Ayon, Md. Ebrahim Hossain +1Mental HealthClinical Prediction

  8. From Complaint Narratives to Monetary Relief: A Hybrid Machine Learning Framework for CFPB Consumer Complaints

    Jun 21, 2026Zhuoer Wang, Sizhen Zhu, Xiongyu ChenCredit Risk PredictionBanking

  9. Learning to Annotate Delayed and False AEB Events: A Practical System for Extreme Class Imbalance and Asymmetric Label Noise

    Jun 17, 2026Mengxiang Hao, Xin Jiang, Xinghao Huang +10Noisy LabelsExtreme Class Imbalance

  10. Neural Network Implementation of the Renormalization Group for Fault Diagnosis with Class Imbalance

    Jun 16, 2026Evgeny Nikulchev, Dmitry IlinRenormalization GroupClass Imbalance

  11. Zeta: Dual Whitening for Matrix Optimization via Coordinate-Adaptive Preconditioning

    Jun 12, 2026Kaiwen Chen, Shuhai Zhang, Zimo Liu +7Spectral PreconditioningBatch Normalization

  12. Revisiting Vehicle Color Recognition in Long-Tailed Surveillance Scenarios

    Jun 11, 2026Vinícius Orrú, Bruno H. Foggiatto, Gabriel E. Lima +2Robust Vehicle RecognitionSynthetic Data Augmentation

  13. Two-Stage Fine-Tuning of ResNet50 for High-Sensitivity Melanoma Detection on Dermoscopic Images

    Jun 11, 2026Aryan BhagatSkin Lesion ClassificationResnet-18

  14. Evaluation of AutoML Frameworks for IDS under Imbalanced Data Conditions of the NSL-KDD Dataset

    Jun 10, 2026Wiliane Carolina Silva, Evandro César Vilas Boas, Felipe A. P. de FigueiredoExtreme Class ImbalanceIntrusion Detection

  15. Quality Adaptive Angular Margin Learning for Respiratory Sound Classification

    Jun 10, 2026Yoon Tae Kim, Heejoon Koo, Miika Toikkanen +1Bias LearningSpeech Separation

  16. RCAP: Robust, Class-Aware, Probabilistic Dynamic Dataset Pruning

    Jun 10, 2026Atif Hassan, Swanand Khare, Jiaul H. PaikHeterogeneous Pruning ScoresExtreme Class Imbalance

  17. Multi-Level Analyzation of Imbalance to Resolve Non-IID-Ness in Federated Learning

    Jun 8, 2026Haengbok Chung, Jae Sung LeeFederated LearningClass Imbalance

  18. Overcoming Decoder Inconsistencies in Whisper for Dravidian and Low-Resource Languages

    Jun 8, 2026Chowdam Venkata Kumar, Kumud Tripathi, Pankaj WasnikMultilingual Automatic Speech RecognitionLow-Resource Languages

  19. Addressing Imbalance in Multi-Label Data via Label-Specific Distance-based Oversampling

    Jun 4, 2026Bin Liu, Jun Wu, Haoyu Peng +4OversamplingMulti-Label Classification

  20. Class-Specific Branch Attention for Mitigating Gradient Interference under Class Imbalance

    Jun 4, 2026Arush Singhal, Umang SoniExtreme Class ImbalanceClass Imbalance

  21. StrokeTimer: Robust Representation Learning for Ischemic Stroke Onset-Time Estimation from Non-contrast CT

    Jun 3, 2026Weiru Wang, Susanne G. H. Olthuis, Elizaveta Lavrova +4StrokeNeuroimaging Models

  22. FADRW: A Feature-Aware Modulated and Dynamically Reweighted Loss for Few-Shot Linguistic Steganalysis

    Jun 3, 2026Shuo Liu, Xianghong Lin, Yukun Wei +1SteganographyFeature Pyramid Networks

  23. AutoTail-BSFGM: Class-Balance-Aware Fine-Tuning for Chinese Scholarly Text Classification

    Jun 2, 2026Anling Xiang, Yuwen Yang, Yang ShenModernbertExtreme Class Imbalance

  24. Hybrid Imbalanced Regression Through Unified Data-Level and Algorithm-Level Balancing

    May 31, 2026Shermin Shahbazi, Hossein Mohammadi, Mohsen AfsharchiExtreme Class ImbalanceBalance

  25. Active Learning with Foundation Model Priors: Efficient Learning under Class Imbalance

    May 30, 2026Jiancheng Zhang, Meiqing Li, Qi Zhang +1Active LearningExtreme Class Imbalance

  26. Improving IoT Intrusion Detection Through SMOTE-Based Oversampling and Extended Multi-Model Evaluation on Side-Channel Power Data

    May 29, 2026Muhammad Khuram Shahzad, Haseeb Khan, Muhammad Masood Khan +1Intrusion DetectionOversampling

  27. DAMEL: Dual-Axis Multi-Expert Learning for Class-Imbalanced Learning

    May 28, 2026Hyuck Lee, Taemin Park, Heeyoung KimExtreme Class ImbalanceMixture-of-Experts Models

  28. On the Impact of Class Imbalance on the Learning Dynamics of Deep Neural Networks:An Intuitive Insight

    May 24, 2026Ismail B. Mustapha, Shafaatunnur Hasan, Sunday O. Olatunji +1Class ImbalanceLearning Dynamics

  29. Class-Dependent Hybrid Data Augmentation for Multiclass Migraine Classification under Severe Class Imbalance

    May 22, 2026Elvin Somón, Miguel A. Gutiérrez-NaranjoExtreme Class ImbalanceAugmentation

  30. Correcting Class Imbalance in Prior-Data Fitted Networks for Tabular Classification

    May 20, 2026Samuel McDowell, Nathan Stromberg, Lalitha SankarTabular Prior-Data Fitted NetworkExtreme Class Imbalance

  31. Q-SYNTH: Hybrid Quantum-Classical Adversarial Augmentation for Imbalanced Fraud Detection

    May 20, 2026Adam Innan, Mansour El Alami, Nouhaila Innan +2Hybrid Quantum Neural NetworksFraud Detection

  32. Disentangling Sampling from Training Budget in Class-Imbalanced CT Body Composition Segmentation

    May 19, 2026Iason Skylitsis, Dimitrios Karkalousos, Ivana IšgumExtreme Class ImbalanceMedical Image Segmentation

  33. Neuron Incidence Redistribution for Fairness in Medical Image Classification

    May 19, 2026Abin Shoby, Lyle John Palmer, Nikhil Cherian KurianMedical Image ClassificationFairness-Aware Learning

  34. Swimming with Whales: Analysis of Power Imbalances in Stake-Weighted Governance

    May 19, 2026Yuzhe Zhang, Manvir Schneider, Qin Wang +1GovernanceClass Imbalance

  35. Worst-Group Equalized Odds Regularization for Multi-Attribute Fair Medical Image Classification

    May 19, 2026Nikhil Cherian Kurian, Victor Caquilpan Parra, Abin Shoby +6Fairness-Aware LearningMedical Image Classification

  36. Physics-Informed Neural Networks for Radial Consolidation of Combined Electroosmotic, Vacuum and Surcharge Preloading Considering Smear Effects

    May 18, 2026Dong Li, Yapeng Cao, Shuai Huang +4Conventional Physics-Informed Neural NetworksConsolidation

  37. Domain Incremental Learning for Pandemic-Resilient Chest X-Ray Analysis

    May 18, 2026Danu KimDomain Incremental LearningChest Radiography

  38. Privacy-Preserving Generation Fraud Detection for Distributed Photovoltaic Systems: A Solar Irradiance-Fused Federated Learning Framework

    May 16, 2026Xiaolu Chen, Chenghao Huang, Yanru Zhang +1PhotovoltaicFederated Learning

  39. UB-SMoE: Universally Balanced Sparse Mixture-of-Experts for Resource-adaptive Federated Fine-tuning of Foundation Models

    May 15, 2026Van-Tuan Tran, Hong-Hanh Nguyen-Le, Marco Ruffini +1Heterogeneous Federated LearningMixture-of-Experts Models

  40. SEED: Targeted Data Selection by Weighted Independent Set

    May 15, 2026Yuan Zhang, Lifeng Guo, Junwen Pan +5Geometry-Aware Uncertainty CoresetsHeterogeneity

  41. Focused PU learning from imbalanced data

    May 14, 2026Elias Zavitsanos, Georgios PaliourasPositive--Unlabeled LearningUnlabeled Data

  42. A Systematic Evaluation of Imbalance Handling Methods in Biomedical Binary Classification

    May 13, 2026Jiandong Chen, Lingjie Su, Le Peng +3Extreme Class ImbalanceClass Imbalance

  43. Comparative Evaluation of Machine Learning Approaches for Minority-Class Financial Distress Prediction Under Class Imbalance Constraints

    May 13, 2026Karan Sehgal, Khawar Naveed BhattiExtreme Class ImbalanceCredit Risk Prediction

  44. Pattern-Enhanced RT-DETR for Multi-Class Battery Detection

    May 13, 2026Xu Zhong, Enyuan HuRt-DetrDetection Framework

  45. Taming the Long Tail: Rebalancing Adversarial Training via Adaptive Perturbation

    May 13, 2026Lilin Zhang, Yimo Guo, Yue Li +2Adversarial TransferabilityAdversarial Training

  46. Multi-market value-stacking: Battery control for combined imbalance participation and non-uniform FCR bidding

    May 12, 2026Celle Hendrickx, Fabio Pavirani, Chris DevelderFirst-Price AuctionsLithium-Ion Batteries

  47. OverNaN: NaN-Aware Oversampling for Imbalanced Learning with Meaningful Missingness

    May 12, 2026Amanda S BarnardOversamplingMissing Data

  48. Optimal Representations for Generalized Contrastive Learning with Imbalanced Datasets

    May 11, 2026Thuan Nguyen, Shuchin Aeron, D. Richard Brown +1Contrastive LearningClass Imbalance

  49. Not Blind but Silenced: Rebalancing Vision and Language via Adversarial Counter-Commonsense Equilibrium

    May 11, 2026Qingxin Xiao, Peilin Zhao, Yangyang Zhao +2Large Vision Language ModelsLarge Language Model Hallucination

  50. Simultaneous Long-tailed Recognition and Multi-modal Fusion for Highly Imbalanced Multi-modal Data

    May 11, 2026Heegeon Yoon, Heeyoung KimMultimodal FusionExtreme Class Imbalance

  51. MARGIN: Margin-Aware Regularized Geometry for Imbalanced Vulnerability Detection

    May 11, 2026Yuteng Zhang, Huifang Ma, Jiahui Wei +2Extreme Class ImbalanceVulnerability Detection & Repair

  52. StreamPro: From Reactive Perception to Proactive Decision-Making in Streaming Video

    May 11, 2026Ao Li, Zihan Xiao, Zihao Yue +7Streaming VideoProactive

  53. Evaluating Federated Learning approaches for mammography under breast density heterogeneity

    May 9, 2026Gonzalo Iñaki Quintana, Franco Martin Di Maria, Laurence VancambergFederated LearningMammography

  54. Visibility nowcasting in South Korea: a machine learning approach to class imbalance and distribution shift

    May 9, 2026Bong Gyun Shin, Chan Sik Lee, Hyesun SuhDistribution ShiftsVisibility

  55. INO-SGD: Addressing Utility Imbalance under Individualized Differential Privacy

    May 8, 2026Xiao Tian, Jue Fan, Rachael Hwee Ling Sim +1Differential PrivacyClass Imbalance

  56. Multimodal Deep Generative Model for Semi-Supervised Learning under Class Imbalance

    May 7, 2026Heegeon Yoon, Heeyoung KimExtreme Class ImbalanceSemi-Supervised Learning

  57. YEZE at SemEval-2026 Task 9: Detecting Multilingual, Multicultural and Multievent Online Polarization via Heterogeneous Ensembling

    May 7, 2026Fengze Guo, Yue ChangPolarizationMultilingual

  58. Imbalanced Classification under Capacity Constraints

    May 5, 2026Daniel Fraiman, Ricardo FraimanExtreme Class ImbalanceClass Imbalance

  59. Momentum-Anchored Multi-Scale Fusion Model for Long-Tailed Chest X-Ray Classification

    May 4, 2026Duy Hoang Khuong, Duy Nguyen Huu, Ngu Huynh Cong VietMedical Image ClassificationChest X-Ray

  60. Planner Matters! An Efficient and Unbalanced Multi-agent Collaboration Framework for Long-horizon Planning

    May 4, 2026Wenyi Wu, Sibo Zhu, Kun Zhou +1Long-Horizon AgentsLong-Horizon Planning