AINeutralarXiv – CS AI · Jun 236/10
🧠Researchers propose an adaptive Mixture-of-Experts framework combining EfficientNet-B0, DenseNet-121, and Swin-Tiny for plant leaf disease classification, achieving 91.68% recall on imbalanced potato leaf datasets. The soft routing mechanism dynamically assigns expert weights to capture multi-scale features, demonstrating superior performance over single-architecture models and strong cross-dataset generalization on durian and sesame leaf diseases.
AINeutralarXiv – CS AI · Jun 236/10
🧠Researchers developed an explainable AI framework combining GAN-based oversampling, Dragonfly Algorithm optimization, and XGBoost to predict mental health outcomes in drug-affected populations, achieving 94.17% accuracy. The model addresses class imbalance and interpretability challenges in clinical settings, identifying behavioral factors like sleep quality and emotional regulation as key predictive indicators.
AINeutralarXiv – CS AI · Jun 235/10
🧠Researchers enhance Meta-Weight-Net (MW-Net), a neural network for sample reweighting under distribution shifts, by applying neural architecture search to optimize its structure. The improved approach better handles combined label noise and class imbalance problems that degrade standard MW-Net performance, demonstrating effectiveness on CIFAR-10 and CIFAR-100 datasets.
AINeutralarXiv – CS AI · Jun 115/10
🧠Researchers present QLung, a machine learning framework that uses quality-adaptive angular margin learning to improve respiratory sound classification. The approach achieves 2.46% performance improvement on the ICBHI dataset and demonstrates superior out-of-distribution generalization on the SPRSound dataset compared to existing methods.
AINeutralarXiv – CS AI · Jun 106/10
🧠Researchers propose FedBB, a federated learning framework that addresses class imbalance across three levels—within classes, between classes, and across distributed clients—using a specialized loss function and client reweighting strategy. The approach improves model performance on non-IID data while minimizing privacy risks through limited statistical information requirements.
AINeutralarXiv – CS AI · Jun 96/10
🧠Researchers propose an active learning framework that combines foundation model priors with smaller models to address class imbalance and label noise in real-world datasets. The method achieves over 50% annotation savings compared to existing active learning baselines while maintaining model performance across image and text domains.
AINeutralarXiv – CS AI · Jun 86/10
🧠Researchers present MSAIC-Net, a deep learning framework that improves ECG-based detection of myocardial substrate abnormalities like scarring and heart attacks. The model combines multi-scale attention mechanisms with contrastive learning to address class imbalance and interpretability challenges, demonstrating strong performance on both institutional and public datasets.
AINeutralarXiv – CS AI · Jun 56/10
🧠Researchers introduce Class-Specific Branch Attention (CSBA), a neural network modification that addresses gradient interference problems in deep learning models trained on imbalanced datasets. The technique achieves significant performance improvements for minority classes, nearly doubling the F1 score for underrepresented categories while maintaining overall accuracy.
AIBullisharXiv – CS AI · Jun 56/10
🧠Researchers developed Binary Gaussian Copula Synthesis (BGCS), an LLM-augmented data augmentation method that addresses severe class imbalance in chronic kidney disease datasets to improve early dialysis prediction. Tested on 15,169 CKD patients, BGCS outperformed existing methods like SMOTE and CTGAN, achieving 78-87% minority-class recall and enabling deployment in interpretable clinical decision-support systems.
AIBullisharXiv – CS AI · Jun 26/10
🧠Researchers address critical class imbalance problems in IoT intrusion detection by applying SMOTE oversampling to power-based side-channel datasets, achieving superior detection performance with Random Forest and Extra Trees algorithms. The study demonstrates that balanced datasets reveal minority attack classes previously missed by traditional evaluation metrics, advancing security for IoT networks.
AINeutralarXiv – CS AI · Jun 25/10
🧠The LinguIUTics team achieved 4th place in the PsyDefDetect 2026 shared task by fine-tuning Qwen3-8B to classify psychological defense mechanisms in clinical conversational text, reaching a macro F1-score of 0.3917 and substantially improving performance on rare classes through specialized techniques including minority-class augmentation and ensemble methods.
AINeutralarXiv – CS AI · Jun 26/10
🧠Researchers present AWARE, a retrieval-aligned framework for improving clinical risk prediction in electronic health records using tabular foundation models. The method addresses limitations of naive retrieval-augmented approaches in clinical settings, achieving up to 12.2% improvement in AUPRC under extreme class imbalance while maintaining robustness across varying data complexity.
AINeutralarXiv – CS AI · May 296/10
🧠Researchers introduce DAMEL (Dual-Axis Multi-Expert Learning), a machine learning algorithm designed to address class-imbalanced datasets by simultaneously reducing prediction bias and variance. The method uses multiple expert models along representation and time axes, combining their strengths through concatenated representations and weight aggregation across training epochs.
AINeutralarXiv – CS AI · May 296/10
🧠Researchers introduce Rel-MOSS, a novel graph neural network approach designed to address class imbalance problems in relational database entity classification. The method uses relation-centric gating and minority oversampling techniques to prevent underrepresentation of minority classes, achieving 2-4% performance improvements over existing relational deep learning methods.
AINeutralarXiv – CS AI · May 285/10
🧠Researchers applied SMOTE-Tomek preprocessing to address class imbalance in requirements engineering classification, achieving 76.16% accuracy with logistic regression compared to a 58.31% baseline. The technique combines synthetic minority oversampling with Tomek link removal and stratified K-fold validation on the PROMISE dataset of 969 categorized requirements.
AINeutralarXiv – CS AI · Apr 136/10
🧠Researchers propose FEAT, a federated learning method that improves continual learning by addressing class imbalance and representation collapse across distributed clients. The approach combines geometric alignment and energy-based correction to better utilize exemplar samples while maintaining performance under dynamic heterogeneity.
AIBullisharXiv – CS AI · Mar 36/104
🧠Researchers propose Class-Aware Spectral Distribution Matching (CSDM), a new dataset distillation method that addresses performance issues on imbalanced datasets. The technique achieves 14% improvement over existing methods on CIFAR-10-LT with enhanced stability on long-tailed data distributions.
