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In real-world clinical settings, data distributions evolve over time, with a continuous influx of new, limited disease cases. Therefore, class incremental learning is of great significance, i.e., deep learning models are required to learn…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Yifei Yao , Hanrong Zhang

Deep Neural Networks (DNNs) have achieved remarkable success in a variety of tasks, especially when it comes to prediction accuracy. However, in complex real-world scenarios, particularly in safety-critical applications, high accuracy alone…

人工智能 · 计算机科学 2024-05-31 Han Liu , Peng Cui , Bingning Wang , Jun Zhu , Xiaolin Hu

Introduction. We investigate the generalization ability of models built on datasets containing a small number of subjects, recorded in single study protocols. Next, we propose and evaluate methods combining these datasets into a single,…

机器学习 · 计算机科学 2023-12-05 Gideon Vos , Kelly Trinh , Zoltan Sarnyai , Mostafa Rahimi Azghadi

This paper tackles critical challenges in traffic sign recognition (TSR), which is essential for road safety -- specifically, class imbalance and instance scarcity in datasets. We introduce tailored data augmentation techniques, including…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Ulan Alsiyeu , Zhasdauren Duisebekov

Ensuring reliable ATM services is essential for modern banking, directly impacting customer satisfaction and the operational efficiency of financial institutions. This study introduces a data fusion approach that utilizes multi-classifier…

机器学习 · 计算机科学 2025-01-03 Alireza Safarzadeh , Mohammad Reza Jamali , Behzad Moshiri

Our work aimed at experimentally assessing the benefits of model ensembling within the context of neural methods for passage reranking. Starting from relatively standard neural models, we use a previous technique named Fast Geometric…

信息检索 · 计算机科学 2021-01-22 Luís Borges , Bruno Martins , Jamie Callan

Real world datasets are heavily skewed where some classes are significantly outnumbered by the other classes. In these situations, machine learning algorithms fail to achieve substantial efficacy while predicting these under-represented…

机器学习 · 计算机科学 2021-03-16 Mimi Mukherjee , Matloob Khushi

Given the increasing complexity of omics datasets, a key challenge is not only improving classification performance but also enhancing the transparency and reliability of model decisions. Effective model performance and feature selection…

Synthetic data generation is increasingly important due to privacy concerns. While Autoencoder-based approaches have been widely used for this purpose, sampling from their latent spaces can be challenging. Mixture models are currently the…

机器学习 · 计算机科学 2023-01-18 Aymene Mohammed Bouayed , David Naccache

Deep ensembles (DE) have been successful in improving model performance by learning diverse members via the stochasticity of random initialization. While recent works have attempted to promote further diversity in DE via hyperparameters or…

Natural Language Inference (NLI) tasks require identifying the relationship between sentence pairs, typically classified as entailment, contradiction, or neutrality. While the current state-of-the-art (SOTA) model, Entailment Few-Shot…

计算与语言 · 计算机科学 2024-12-16 Sourav Banerjee , Anush Mahajan , Ayushi Agarwal , Eishkaran Singh

In recent times, with the exception of sporadic cases, the trend in Computer Vision is to achieve minor improvements compared to considerable increases in complexity. To reverse this trend, we propose a novel method to boost image…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Antonio Bruno , Davide Moroni , Massimo Martinelli

Deep neural networks have become the method of choice for solving many classification tasks, largely because they can fit very complex functions defined over raw data. The downside of such powerful learners is the danger of overfit. In this…

机器学习 · 计算机科学 2023-12-29 Uri Stern , Daniel Shwartz , Daphna Weinshall

Ensemble models refer to methods that combine a typically large number of classifiers into a compound prediction. The output of an ensemble method is the result of fitting a base-learning algorithm to a given data set, and obtaining diverse…

机器学习 · 统计学 2019-06-10 Waldyn Martinez

Ensemble methods are commonly used in classification due to their remarkable performance. Achieving high accuracy in a data stream environment is a challenging task considering disruptive changes in the data distribution, also known as…

机器学习 · 计算机科学 2023-09-07 Soheil Abadifard , Sepehr Bakhshi , Sanaz Gheibuni , Fazli Can

Aggregating multiple learners through an ensemble of models aim to make better predictions by capturing the underlying distribution of the data more accurately. Different ensembling methods, such as bagging, boosting, and stacking/blending,…

机器学习 · 统计学 2020-11-03 Mohsen Shahhosseini , Guiping Hu , Hieu Pham

This paper presents a novel approach to binary classification using dynamic logistic ensemble models. The proposed method addresses the challenges posed by datasets containing inherent internal clusters that lack explicit feature-based…

机器学习 · 计算机科学 2024-12-02 Mohammad Zubair Khan , David Li

Ensemble learning has gain attention in resent deep learning research as a way to further boost the accuracy and generalizability of deep neural network (DNN) models. Recent ensemble training method explores different training algorithms or…

机器学习 · 计算机科学 2023-01-20 Jingchi Zhang , Huanrui Yang , Hai Li

Trajectory optimizers for model-based reinforcement learning, such as the Cross-Entropy Method (CEM), can yield compelling results even in high-dimensional control tasks and sparse-reward environments. However, their sampling inefficiency…

Ensemble methods are known for enhancing the accuracy and robustness of machine learning models by combining multiple base learners. However, standard approaches like greedy or random ensembling often fall short, as they assume a constant…

机器学习 · 计算机科学 2025-06-24 Sebastian Pineda Arango , Maciej Janowski , Lennart Purucker , Arber Zela , Frank Hutter , Josif Grabocka