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Ensembles of models often yield improvements in system performance. These ensemble approaches have also been empirically shown to yield robust measures of uncertainty, and are capable of distinguishing between different \emph{forms} of…

机器学习 · 统计学 2019-11-27 Andrey Malinin , Bruno Mlodozeniec , Mark Gales

Meta-learning methods typically learn tasks under the assumption that all tasks are equally important. However, this assumption is often not valid. In real-world applications, tasks can vary both in their importance during different…

机器学习 · 计算机科学 2024-05-14 Donglin Zhan , James Anderson

Stakeholders make various types of decisions with respect to requirements, design, management, and so on during the software development life cycle. Nevertheless, these decisions are typically not well documented and classified due to…

软件工程 · 计算机科学 2021-05-05 Liming Fu , Peng Liang , Xueying Li , Chen Yang

Robust quantification of predictive uncertainty is critical for understanding factors that drive weather and climate outcomes. Ensembles provide predictive uncertainty estimates and can be decomposed physically, but both physics and machine…

While fine-tuning of pre-trained language models generally helps to overcome the lack of labelled training samples, it also displays model performance instability. This instability mainly originates from randomness in initialisation or data…

计算与语言 · 计算机科学 2024-12-03 Branislav Pecher , Jan Cegin , Robert Belanec , Jakub Simko , Ivan Srba , Maria Bielikova

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

Ensembles of neural networks achieve superior performance compared to stand-alone networks in terms of accuracy, uncertainty calibration and robustness to dataset shift. \emph{Deep ensembles}, a state-of-the-art method for uncertainty…

机器学习 · 计算机科学 2022-02-23 Sheheryar Zaidi , Arber Zela , Thomas Elsken , Chris Holmes , Frank Hutter , Yee Whye Teh

In industrial imaging, accurately detecting and distinguishing surface defects from noise is critical and challenging, particularly in complex environments with noisy data. This paper presents a hybrid framework that integrates both…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Alejandro Garnung Menéndez

The introduction of DETR represents a new paradigm for object detection. However, its decoder conducts classification and box localization using shared queries and cross-attention layers, leading to suboptimal results. We observe that…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Manyuan Zhang , Guanglu Song , Yu Liu , Hongsheng Li

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

机器学习 · 计算机科学 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

Recent research demonstrates the effectiveness of using fine-tuned language models~(LM) for dense retrieval. However, dense retrievers are hard to train, typically requiring heavily engineered fine-tuning pipelines to realize their full…

信息检索 · 计算机科学 2021-08-13 Luyu Gao , Jamie Callan

In the field of object classification, identification based on object variations is a challenge in itself. Variations include shape, size, color, and texture, these can cause problems in recognizing and distinguishing objects accurately.…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Florentina Tatrin Kurniati , Daniel HF Manongga , Eko Sediyono , Sri Yulianto Joko Prasetyo , Roy Rudolf Huizen

For classification tasks, deep neural networks are prone to overfitting in the presence of label noise. Although existing methods are able to alleviate this problem at low noise levels, they encounter significant performance reduction at…

机器学习 · 计算机科学 2021-05-31 Jingyi Xu , Tony Q. S. Quek , Kai Fong Ernest Chong

Machine learning has achieved remarkable successes, yet its deployment in safety-critical domains remains hindered by an inherent inability to manage uncertainty, resulting in overconfident and unreliable predictions when models encounter…

机器学习 · 计算机科学 2025-10-28 Shireen Kudukkil Manchingal

Aiming at improving the performance of existing detection algorithms developed for different applications, we propose a region regression-based multi-stage class-agnostic detection pipeline, whereby the existing algorithms are employed for…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Wei Li , Matthias Breier , Dorit Merhof

In this note we give an example application of a recently presented predictive learning method called Rule Ensembles. The application we present is the search for super-symmetric particles at the Large Hadron Collider. In particular, we…

高能物理 - 唯象学 · 物理学 2011-01-13 J. Conrad , F. Tegenfeldt

Training a diverse ensemble of models has several practical applications such as providing candidates for model selection with better out-of-distribution (OOD) generalization, and enabling the detection of OOD samples via Bayesian…

机器学习 · 计算机科学 2024-09-26 Alexander Rubinstein , Luca Scimeca , Damien Teney , Seong Joon Oh

We present local ensembles, a method for detecting underspecification -- when many possible predictors are consistent with the training data and model class -- at test time in a pre-trained model. Our method uses local second-order…

机器学习 · 计算机科学 2021-12-09 David Madras , James Atwood , Alex D'Amour

To advance the state of the art in the creation of 3D foundation models, this paper introduces the ConDense framework for 3D pre-training utilizing existing pre-trained 2D networks and large-scale multi-view datasets. We propose a novel…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Xiaoshuai Zhang , Zhicheng Wang , Howard Zhou , Soham Ghosh , Danushen Gnanapragasam , Varun Jampani , Hao Su , Leonidas Guibas

The combination of multiple classifiers using ensemble methods is increasingly important for making progress in a variety of difficult prediction problems. We present a comparative analysis of several ensemble methods through two case…

机器学习 · 计算机科学 2013-09-20 Sean Whalen , Gaurav Pandey