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In machine learning, uncertainty quantification helps assess the reliability of model predictions, which is important in high-stakes scenarios. Traditional approaches often emphasize predictive accuracy, but there is a growing focus on…

机器学习 · 统计学 2025-09-30 Jake S. Rhodes , Scott D. Brown , J. Riley Wilkinson

Semantic segmentation models trained on known object classes often fail in real-world autonomous driving scenarios by confidently misclassifying unknown objects. While pixel-wise out-of-distribution detection can identify unknown objects,…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Marc Hölle , Walter Kellermann , Vasileios Belagiannis

In this paper, we introduce a novel method designed to enhance label efficiency in satellite imagery analysis by integrating semi-supervised learning (SSL) with active learning strategies. Our approach utilizes contrastive learning together…

计算机视觉与模式识别 · 计算机科学 2024-06-26 David Pogorzelski , Peter Arlinghaus , Wenyan Zhang

Uncertainty quantification is one of the most crucial tasks to obtain trustworthy and reliable machine learning models for decision making. However, most research in this domain has only focused on problems with small label spaces and…

机器学习 · 计算机科学 2022-10-20 Jyun-Yu Jiang , Wei-Cheng Chang , Jiong Zhong , Cho-Jui Hsieh , Hsiang-Fu Yu

Spatially referenced datasets have become increasingly prevalent across many fields, largely driven by advances in data collection methods such as satellite remote sensing. In many applications, predictions at unobserved locations are…

统计计算 · 统计学 2026-05-19 Isaac Amouzou , Ben Seiyon Lee

When a deep learning model is deployed in the wild, it can encounter test data drawn from distributions different from the training data distribution and suffer drop in performance. For safe deployment, it is essential to estimate the…

机器学习 · 计算机科学 2023-05-16 Jiefeng Chen , Frederick Liu , Besim Avci , Xi Wu , Yingyu Liang , Somesh Jha

Rapid growth in the field of quantitative digital image analysis is paving the way for researchers to make precise measurements about objects in an image. To compute quantities from the image such as the density of compressed materials or…

计算机视觉与模式识别 · 计算机科学 2017-07-31 Marylesa Howard , Margaret C. Hock , B. T. Meehan , Leora Dresselhaus-Cooper

Due to the domain differences and unbalanced disparity distribution across multiple datasets, current stereo matching approaches are commonly limited to a specific dataset and generalize poorly to others. Such domain shift issue is usually…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Zhelun Shen , Xibin Song , Yuchao Dai , Dingfu Zhou , Zhibo Rao , Liangjun Zhang

In microscopy image cell segmentation, it is common to train a deep neural network on source data, containing different types of microscopy images, and then fine-tune it using a support set comprising a few randomly selected and annotated…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Youssef Dawoud , Arij Bouazizi , Katharina Ernst , Gustavo Carneiro , Vasileios Belagiannis

Topography representing digital elevation models (DEMs) are essential inputs for computational models capable of simulating the run-out of flow-like landslides. Yet, DEMs are often subject to error, a fact that is mostly overlooked in…

地球物理 · 物理学 2020-10-09 Hu Zhao , Julia Kowalski

Medical image segmentation is a fundamental and critical step in many clinical approaches. Semi-supervised learning has been widely applied to medical image segmentation tasks since it alleviates the heavy burden of acquiring…

图像与视频处理 · 电气工程与系统科学 2022-08-29 Yichi Zhang , Rushi Jiao , Qingcheng Liao , Dongyang Li , Jicong Zhang

Statistical models are inherently uncertain. Quantifying or at least upper-bounding their uncertainties is vital for safety-critical systems such as autonomous vehicles. While standard neural networks do not report this information, several…

When the cost of misclassifying a sample is high, it is useful to have an accurate estimate of uncertainty in the prediction for that sample. There are also multiple types of uncertainty which are best estimated in different ways, for…

机器学习 · 计算机科学 2019-03-18 Richard Harang , Ethan M. Rudd

Brain vessel segmentation of MR scans is a critical step in the diagnosis of cerebrovascular diseases. Due to the fine vessel structure, manual vessel segmentation is time consuming. Therefore, automatic deep learning (DL) based…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Omini Rathore , Richard Paul , Abigail Morrison , Hanno Scharr , Elisabeth Pfaehler

Machine learning classifiers are probabilistic in nature, and thus inevitably involve uncertainty. Predicting the probability of a specific input to be correct is called uncertainty (or confidence) estimation and is crucial for risk…

机器学习 · 计算机科学 2023-01-11 Gabriella Chouraqui , Liron Cohen , Gil Einziger , Liel Leman

The success of modern deep learning algorithms for image segmentation heavily depends on the availability of large datasets with clean pixel-level annotations (masks), where the objects of interest are accurately delineated. Lack of time…

计算机视觉与模式识别 · 计算机科学 2021-02-17 Ekaterina Redekop , Alexey Chernyavskiy

Uncertainty estimation is an essential and heavily-studied component for the reliable application of semantic segmentation methods. While various studies exist claiming methodological advances on the one hand, and successful application on…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Kim-Celine Kahl , Carsten T. Lüth , Maximilian Zenk , Klaus Maier-Hein , Paul F. Jaeger

Despite the remarkable progress in generative modelling, current diffusion models lack a quantitative approach to assess image quality. To address this limitation, we propose to estimate the pixel-wise aleatoric uncertainty during the…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Michele De Vita , Vasileios Belagiannis

For many applications it is critical to know the uncertainty of a neural network's predictions. While a variety of neural network parameter estimation methods have been proposed for uncertainty estimation, they have not been rigorously…

机器学习 · 计算机科学 2019-12-05 Nabeel Seedat , Christopher Kanan

Overconfidence is a common issue for deep neural networks, limiting their deployment in real-world applications. To better estimate confidence, existing methods mostly focus on fully-supervised scenarios and rely on training labels. In this…

机器学习 · 计算机科学 2023-07-21 Chen Li , Xiaoling Hu , Chao Chen