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Diffusion models now generate high-quality, diverse samples, with an increasing focus on more powerful models. Although ensembling is a well-known way to improve supervised models, its application to unconditional score-based diffusion…

The concept of ensemble learning offers a promising avenue in learning from data streams under complex environments because it addresses the bias and variance dilemma better than its single model counterpart and features a reconfigurable…

机器学习 · 计算机科学 2019-12-10 Mahardhika Pratama , Witold Pedrycz , Edwin Lughofer

Recent years have seen a shift towards learning-based methods for trajectory prediction, with challenges remaining in addressing uncertainty and capturing multi-modal distributions. This paper introduces Temporal Ensembling with…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Kai-Yin Hong , Chieh-Chih Wang , Wen-Chieh Lin

The detection of cyber-attacks in computer networks is a crucial and ongoing research challenge. Machine learning-based attack classification offers a promising solution, as these models can be continuously updated with new data, enhancing…

密码学与安全 · 计算机科学 2024-08-30 Maximilian Wolf , Dieter Landes , Andreas Hotho , Daniel Schlör

Uncertainty quantification during atmospheric chemistry modeling is computationally expensive as it typically requires a large number of simulations using complex models. As large-scale modeling is typically performed with simplified…

计算物理 · 物理学 2024-07-16 Lin Guo , Xiaokai Yang , Zhonghua Zheng , Nicole Riemer , Christopher W. Tessum

Credit scoring models face a critical challenge: severe class imbalance, with default rates typically below 10%, which hampers model learning and predictive performance. While synthetic data augmentation techniques such as SMOTE and ADASYN…

应用统计 · 统计学 2025-10-22 Luis H. Chia

Ensemble technique and under-sampling technique are both effective tools used for imbalanced dataset classification problems. In this paper, a novel ensemble method combining the advantages of both ensemble learning for biasing classifiers…

机器学习 · 计算机科学 2025-02-05 Jinyan Li , Yaoyang Wu , Simon Fong , Antonio J. Tallón-Ballesteros , Xin-she Yang , Sabah Mohammed , Feng Wu

Consider making a prediction over new test data without any opportunity to learn from a training set of labelled data - instead given access to a set of expert models and their predictions alongside some limited information about the…

机器学习 · 计算机科学 2022-10-12 Alex J. Chan , Mihaela van der Schaar

We introduce a novel ensembling method, Random Bundle (RB), that improves performance for brain metastases segmentation. We create our ensemble by training each network on our dataset with 50% of our annotated lesions censored out. We also…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Darvin Yi , Endre Grøvik , Michael Iv , Elizabeth Tong , Greg Zaharchuk , Daniel Rubin

In this work, a modular approach is introduced to select the most important eigenmodes for each component of a composed structural dynamics system to obtain the required accuracy of the reduced-order assembly model. To enable the use of…

系统与控制 · 电气工程与系统科学 2023-10-27 Lars A. L. Janssen , Rob H. B. Fey , Bart Besselink , Nathan van de Wouw

We explore several oversampling techniques for an imbalanced multi-label classification problem, a setting often encountered when developing models for Computer-Aided Diagnosis (CADx) systems. While most CADx systems aim to optimize…

机器学习 · 计算机科学 2018-07-10 Matthew Yung , Eli T. Brown , Alexander Rasin , Jacob D. Furst , Daniela S. Raicu

Aggregating a consensus ranking from multiple input rankings is a fundamental problem with applications in recommendation systems, search engines, job recruitment, and elections. Despite decades of research in consensus ranking aggregation,…

机器学习 · 计算机科学 2026-03-17 Yijun Jin , Simon Klüttermann , Chiara Balestra , Emmanuel Müller

Large language models (LLMs) have demonstrated remarkable capabilities in generating programs from natural language descriptions, yet ensuring their correctness without an external oracle remains a critical challenge. To solve the…

软件工程 · 计算机科学 2026-04-07 Yunxiang Wei , Tianlin Li , Yuwei Zheng , Yanni Dong , Aishan Liu , Qiang Hu , Xiaoyu Zhang , Mingfei Cheng , Jian Yang

Data collection is often difficult in critical fields such as medicine, physics, and chemistry. As a result, classification methods usually perform poorly with these small datasets, leading to weak predictive performance. Increasing the…

机器学习 · 计算机科学 2024-11-07 Andrei Margeloiu , Xiangjian Jiang , Nikola Simidjievski , Mateja Jamnik

Data augmentation is an inexpensive way to increase training data diversity and is commonly achieved via transformations of existing data. For tasks such as classification, there is a good case for learning representations of the data that…

声音 · 计算机科学 2021-04-20 Turab Iqbal , Karim Helwani , Arvindh Krishnaswamy , Wenwu Wang

Electroencephalogram (EEG) classification has been widely used in various medical and engineering applications, where it is important for understanding brain function, diagnosing diseases, and assessing mental health conditions. However,…

信号处理 · 电气工程与系统科学 2024-08-20 Mingzhi Chen , Yiyu Gui , Yuqi Su , Yuesheng Zhu , Guibo Luo , Yuchao Yang

Novel and high-performance medical image classification pipelines are heavily utilizing ensemble learning strategies. The idea of ensemble learning is to assemble diverse models or multiple predictions and, thus, boost prediction…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Dominik Müller , Iñaki Soto-Rey , Frank Kramer

When dealing with clinical text classification on a small dataset recent studies have confirmed that a well-tuned multilayer perceptron outperforms other generative classifiers, including deep learning ones. To increase the performance of…

机器学习 · 计算机科学 2022-09-27 Thanh-Dung Le , Rita Noumeir , Jerome Rambaud , Guillaume Sans , Philippe Jouvet

This paper deals with the estimation of rare event probabilities using importance sampling (IS), where an optimal proposal distribution is computed with the cross-entropy (CE) method. Although, IS optimized with the CE method leads to an…

统计计算 · 统计学 2020-02-05 Patrick Héas

Machine learning-based Deepfake detection models have achieved impressive results on benchmark datasets, yet their performance often deteriorates significantly when evaluated on out-of-distribution data. In this work, we investigate an…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Haroon Wahab , Hassan Ugail , Lujain Jaleel