Extreme Class Imbalance

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Period ending 2026-09-14

1 new paper

A weekly snapshot of new work published in Extreme Class Imbalance.

Period ending 2026-09-07

3 new papers

A weekly snapshot of new work published in Extreme Class Imbalance.

101 papers

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  1. Bounded Adjustment with Reliability-Guided Embedding for Imbalanced Learning with Noisy Labels

    Sep 14, 2026Mushir Akhtar, Akarsh J., M. Tanveer +1Noisy LabelsExtreme Class Imbalance

  2. Mini-batch Sampling Strategies for Long-Tailed Image Classification: An Empirical Study on CIFAR-100-LT

    Sep 14, 2026Siyu YuanExtreme Class ImbalanceLong-Tailed Distribution

  3. GRIN+: Towards Fast Yet Effective Machine Unlearning for Imbalanced Medical Data

    Sep 14, 2026Minghui Huang, Junxiao WangMachine UnlearningExtreme Class Imbalance

  4. Prevalence calibration as shortcut mitigation

    Sep 7, 2026Mohamed Amine Kina, Eike PetersenShortcutsPrevalence

  5. On the Reliability of Generative Augmentation: A Wasserstein-Based Theoretical and Empirical Study

    Sep 1, 2026Chathurika S Abeykoon, Mathias Nthiani Muia, Mallory GoldsteinData AugmentationExtreme Class Imbalance

  6. SAGE: Subpopulation-Aware Generative Enhancement for Mitigating Spurious Correlations

    Sep 1, 2026Yiming Luo, Rongqiang Zhao, Jie LiuData AugmentationExtreme Class Imbalance

  7. Local Reference Geometry Residual Augmentation for Imbalanced Time Series Classification

    Aug 31, 2026Chuanhang Qiu, Yanran Xu, Yue Wang +1Extreme Class ImbalanceData Augmentation

  8. CLEAR: Class-wise Expert Aggregation with Structured Sampling for Long-Tailed Classification

    Aug 11, 2026Gawon LimExtreme Class ImbalanceMultiple Model Experts

  9. Unsupervised Domain Adaptation for Multitask Image Analysis in Realistic Context with Extreme Label Shift; Application to the CTAO first Large Sized Telescope

    Aug 10, 2026Michaël Dell'aiera, Thomas Vuillaume, Alexandre BenoitUnsupervised Domain AdaptationDomain Adaptation

  10. FedTVD: Balancing Data Quality and Quantity for Robust Federated Learning

    Aug 10, 2026Radwan Selo, Majid Kundroo, Taehong KimRobust Federated LearningFedavg

  11. Ensemble of Unsupervised Deep Learning for Clustering Imbalanced Tabular Data

    Jul 31, 2026Pulock Das, Yina Hou, Md. Kamrozzaman Bhuiyan +1Extreme Class ImbalanceClustering

  12. Beyond Static Costs: Learning-Dynamics Aware Loss Functions for Long-Tailed Classification

    Jul 28, 2026Varad Shinde, Nikhil Kumar Shrey, Magesh Rajasekaran +5Extreme Class ImbalanceLoss Function

  13. A Model for Imbalanced Label Aggregation: A Focus on Minority-Class Detection

    Jul 27, 2026Gabriel Singer, Samuel Gruffaz, Olivier Vo Van +2Extreme Class ImbalanceMinority

  14. Long-Tailed Medical Image Classification

    Jul 26, 2026Nathanael Ren, Saagar AryaMedical Imaging DatasetsMedical Imaging

  15. Class-Balanced Softmax: A Bayes Theory-Based Method for Long-Tailed Recognition

    Jul 24, 2026Yi-Hang Zhu, Rajeev Raman, Shiqi Su +4Extreme Class ImbalanceBalanced Learning

  16. Synthetic minority data is redundant or invalid: a data-dependent validity theory and a de-biased test

    Jul 22, 2026Ahmad B. Hassanat, Ahmad S. Tarawneh, Ghada A. AltarawnehSynthetic DataExtreme Class Imbalance

  17. Instance Hardness-Based Relevance for Imbalanced Regression

    Jul 22, 2026Vitor M. Leitao, Juscimara G. Avelino, George D. C. Cavalcanti +1Extreme Class ImbalanceRare Events

  18. Breaking the Homogeneity Assumption: Specialized Multi-Generator Adversarial Learning for Rare Failure Detection in Predictive Maintenance

    Jul 21, 2026Alexis Lazanas, Georgios KampouropoulosPredictive MaintenanceExtreme Class Imbalance

  19. DADIR: Density-Aware Data-level Imbalanced Regression Framework

    Jul 19, 2026Shermin Shahbazi, Hossein Mohammadi, Mohsen AfsharchiExtreme Class ImbalanceRegression

  20. Cascading versus Joint Modeling for Hierarchical Offensive Language Detection

    Jul 18, 2026Ruixing Ren, Junhui Zhao, Xiaoke SunMultilingual Language ModelsCross-Architecture Alignment

  21. Demographically-Conditioned Synthetic Medical Images for Bias Mitigation and Bias Detection in Disease Classifiers

    Jul 16, 2026Mahmoud Ibrahim, Bart Elen, Chang Sun +2Medical Image GenerationFairness Audits

  22. NodeImport: Imbalanced Node Classification with Node Importance Assessment

    Jul 15, 2026Nan Chen, Zemin Liu, Bryan Hooi +3Extreme Class ImbalanceGraph Neural Networks

  23. Mitigating The Effect of Class Imbalance in Data with Hierarchical and Dependable Structure

    Jul 13, 2026Bipin Chhetri, Deepika Giri, Avishek Kadel +2Extreme Class ImbalanceVulnerability Detection & Repair

  24. Semantic Pareto-DQN: A Multi-Objective Reinforcement Learning Framework for Financial Anomaly Detection

    Jul 10, 2026Cláudio Lúcio do Val Lopes, Lucca Machado da SilvaGraph Anomaly DetectionFraud Detection

  25. Reliability-Aware Ensemble Classification Under Class Imbalance: A Calibration Study on Liquid-Based Cervical Cytology

    Jul 10, 2026Nisreen Albzour, Sarah S. LamExtreme Class ImbalanceClass Imbalance

  26. A Strong Balanced-Softmax Classifier-Retraining Baseline for Long-Tailed Recognition

    Jul 10, 2026Juan Terven, Diana Margarita Córdova Esparza, Julio Alejandro Romero Gonzalez +4Few-Shot LearningExtreme Class Imbalance

  27. RUBRIC: Realism--Utility Balanced Ranking for Imbalanced Classification

    Jul 10, 2026Yanxuan Yu, Dong liu, Renata Borovica-Gajic +1Extreme Class ImbalanceClass Imbalance

  28. Quantum-Enhanced Synthetic Data Generation Using Quantum Circuit Born Machines for Imbalanced Tabular Learning

    Jul 10, 2026Tanapol Nuatho, Narisorn Sangnakara, Prapong Prechaprapranwong +1Synthetic DataExtreme Class Imbalance

  29. C-GAP: Class-Aware and Online Prompting Improves Vision-Language Models on Imbalanced Classes

    Jul 10, 2026Francis Fernandez, Arash Jahangiri, Salimeh SekehOpen-Vocabulary Object DetectionOpen-Vocabulary

  30. MARVEL: Margin-Aware Robust von Mises-Fischer Expert Learning for Long-Tailed Out-of-Distribution Detection

    Jul 2, 2026A. S. Anudeep, Vaanathi SundaresanOut-Of-Distribution Detection PerformanceOut-Of-Distribution

  31. Structured Gaussian Processes for Uncertainty-Aware Classification of High-Dimensional, Small-Sampled Omics Data

    Jul 2, 2026Yue Zhang, Nandini Amit Gadhia, Georgios Karagiannis +1Multi-Omic FrameworkExtreme Class Imbalance

  32. Class-Grouped Normalized Momentum and Faster Hyperparameter Exploration to Tackle Class Imbalance in Federated Learning

    Jul 1, 2026Haemin Park, Diego Klabjan, Martin W. Braun +2Extreme Class ImbalanceClass Imbalance

  33. TRCGL-Net: A Long-Tailed Multi-Label Chest X-Ray Classification Framework with Generative Data Augmentation and Label Co-Occurrence Modeling

    Jul 1, 2026Tong Shao, Hongshun Ling, Li Zhang +4Chest X-Ray Report GenerationChest X-Ray

  34. K-Inverse-RFM: A Modified RFM that Bridges the Gap to Neural Networks for Data-Corrupted Mathematical Tasks

    Jul 1, 2026Gil PasternakFeature LearningMachine Learning

  35. A time-series classification framework for individual-level absenteeism prediction under severe class imbalance

    Jun 30, 2026Kwong Ho Li, Matthew Roughan, Wathsala KarunarathneTime-Series ClassificationCnn-Lstm

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

    Jun 29, 2026Sijia Li, Xiaoyu Tan, Chen Zhan +3CardiacExtreme Class Imbalance

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

    Jun 29, 2026Zewen LiuExtreme Class ImbalanceResampling

  38. Fair Classification with Efficient and Post-hoc Controllable Fairness-Accuracy Trade-off

    Jun 26, 2026Maaya Sakata, Kazuto FukuchiFairness-Aware LearningExtreme Class Imbalance

  39. FedReLa: Imbalanced Federated Learning via Re-Labeling

    Jun 24, 2026Guangzheng Hu, Patricia Menéndez, Feng Liu +3Extreme Class ImbalanceFedavg

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

    Jun 23, 2026Parth Upman, Shreyank N GowdaExtreme Class ImbalanceAuc-Roc

  41. Exploring Dualistic Meta-Learning to Enhance Domain Generalization in Open Set Scenarios

    Jun 22, 2026Xiran Wang, Jian Zhang, Lei Qi +2Multimodal Domain GeneralizationOpen-Set Recognition

  42. 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 +10Zero-Shot Accident DetectionNoisy Labels

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

    Jun 16, 2026Evgeny Nikulchev, Dmitry IlinExtreme Class ImbalanceRenormalization Group

  44. The Circumplex Degeneracy Behind the Rare-Class Limit in Affect Recognition

    Jun 14, 2026Van Thong Huynh, Hong Hai Nguyen, Soo-Hyung KimRare EventsExtreme Class Imbalance

  45. 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

  46. Quality Adaptive Angular Margin Learning for Respiratory Sound Classification

    Jun 10, 2026Yoon Tae Kim, Heejoon Koo, Miika Toikkanen +1Audio ClassificationRespiratory Sound Classification

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

    Jun 10, 2026Atif Hassan, Swanand Khare, Jiaul H. PaikExtreme Class ImbalanceMagnitude-Based Pruning

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

    Jun 8, 2026Haengbok Chung, Jae Sung LeeExtreme Class ImbalanceClass Imbalance

  49. nCMD: Benign-Anchored Feature Selection for Imbalanced Network Intrusion Detection

    Jun 7, 2026Abu Fuad Ahmad, Istiaque AhmedIntrusion DetectionFeature Selection

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

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

  51. 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

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

    Jun 3, 2026Shuo Liu, Xianghong Lin, Yukun Wei +1Image SteganalysisSteganography

  53. FairGen: Preference-Aligned Diffusion for Demographically Equitable Medical Image Synthesis

    Jun 1, 2026Zhimin Li, Ruichen Zhang, Zhen Tan +3Medical Image GenerationFairness-Aware Learning

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

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

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

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

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

    May 28, 2026Hyuck Lee, Taemin Park, Heeyoung KimExtreme Class ImbalanceCalibrated Predictors

  57. 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 +1Extreme Class ImbalanceClass Imbalance

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

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

  59. 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

  60. Neuron Incidence Redistribution for Fairness in Medical Image Classification

    May 19, 2026Abin Shoby, Lyle John Palmer, Nikhil Cherian KurianFairness-Aware LearningExtreme Class Imbalance