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The rapid development of deep learning has made a great progress in image segmentation, one of the fundamental tasks of computer vision. However, the current segmentation algorithms mostly rely on the availability of pixel-level…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Wei Shen , Zelin Peng , Xuehui Wang , Huayu Wang , Jiazhong Cen , Dongsheng Jiang , Lingxi Xie , Xiaokang Yang , Qi Tian

With rapid adoption of deep learning in critical applications, the question of when and how much to trust these models often arises, which drives the need to quantify the inherent uncertainties. While identifying all sources that account…

The deployment of machine learning classifiers in high-stakes domains requires well-calibrated confidence scores for model predictions. In this paper we introduce the notion of variable-based calibration to characterize calibration…

机器学习 · 计算机科学 2023-04-07 Markelle Kelly , Padhraic Smyth

Automated and semi-automated techniques in biomedical electron microscopy (EM) enable the acquisition of large datasets at a high rate. Segmentation methods are therefore essential to analyze and interpret these large volumes of data, which…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Anusha Aswath , Ahmad Alsahaf , Ben N. G. Giepmans , George Azzopardi

Semantic segmentation aims to robustly predict coherent class labels for entire regions of an image. It is a scene understanding task that powers real-world applications (e.g., autonomous navigation). One important application, the use of…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Yuxiang Zhang , Sachin Mehta , Anat Caspi

Segmented models are widely used to describe non-stationary sequential data with discrete change points. Their estimation usually requires solving a mixed discrete-continuous optimization problem, where the segmentation is the discrete part…

机器学习 · 计算机科学 2021-01-19 Erik Scharwächter , Jonathan Lennartz , Emmanuel Müller

While recent computer vision algorithms achieve impressive performance on many benchmarks, they lack robustness - presented with an image from a different distribution, (e.g. weather or lighting conditions not considered during training),…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Sebastian Cygert , Bartłomiej Wróblewski , Karol Woźniak , Radosław Słowiński , Andrzej Czyżewski

In the context of computer models, calibration is the process of estimating unknown simulator parameters from observational data. Calibration is variously referred to as model fitting, parameter estimation/inference, an inverse problem, and…

统计方法学 · 统计学 2023-10-16 Richard D. Wilkinson , Christopher W. Lanyon

Semantic segmentation is the task of assigning a label to each pixel in the image.In recent years, deep convolutional neural networks have been driving advances in multiple tasks related to cognition. Although, DCNNs have resulted in…

机器学习 · 计算机科学 2017-12-12 Aditya Ganeshan

Current successful approaches for generic (non-semantic) segmentation rely mostly on edge detection and have leveraged the strengths of deep learning mainly by improving the edge detection stage in the algorithmic pipeline. This is in…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Or Isaacs , Oran Shayer , Michael Lindenbaum

We present a deep transformation model for probabilistic regression. Deep learning is known for outstandingly accurate predictions on complex data but in regression tasks, it is predominantly used to just predict a single number. This…

机器学习 · 统计学 2020-04-02 Beate Sick , Torsten Hothorn , Oliver Dürr

A set of probabilistic predictions is well calibrated if the events that are predicted to occur with probability p do in fact occur about p fraction of the time. Well calibrated predictions are particularly important when machine learning…

机器学习 · 统计学 2014-01-14 Mahdi Pakdaman Naeini , Gregory F. Cooper , Milos Hauskrecht

Calibrated probabilistic classifiers are models whose predicted probabilities can directly be interpreted as uncertainty estimates. It has been shown recently that deep neural networks are poorly calibrated and tend to output overconfident…

机器学习 · 统计学 2022-10-17 Teodora Popordanoska , Raphael Sayer , Matthew B. Blaschko

Probability calibration for deep models is highly desirable in safety-critical applications such as medical imaging. It makes output probabilities of deep networks interpretable, by aligning prediction probability with the actual accuracy…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Cheng Ouyang , Shuo Wang , Chen Chen , Zeju Li , Wenjia Bai , Bernhard Kainz , Daniel Rueckert

Classification networks can be used to localize and segment objects in images by means of class activation maps (CAMs). However, without pixel-level annotations, classification networks are known to (1) mainly focus on discriminative…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Arvi Jonnarth , Michael Felsberg

A machine learning model is calibrated if its predicted probability for an outcome matches the observed frequency for that outcome conditional on the model prediction. This property has become increasingly important as the impact of machine…

机器学习 · 计算机科学 2025-02-25 Muthu Chidambaram , Rong Ge

Semantic segmentation has become an important task in computer vision with the growth of self-driving cars, medical image segmentation, etc. Although current models provide excellent results, they are still far from perfect and while there…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Samik Some , Vinay P. Namboodiri

Discriminative linear models are a popular tool in machine learning. These can be generally divided into two types: The first is linear classifiers, such as support vector machines, which are well studied and provide state-of-the-art…

机器学习 · 计算机科学 2012-07-02 Koby Crammer , Amir Globerson

Deep Neural Networks (DNNs) are widely used for visual classification tasks, but their complex computation process and black-box nature hinder decision transparency and interpretability. Class activation maps (CAMs) and recent variants…

The assessment of binary classifier performance traditionally centers on discriminative ability using metrics, such as accuracy. However, these metrics often disregard the model's inherent uncertainty, especially when dealing with sensitive…

机器学习 · 计算机科学 2024-02-13 Agathe Fernandes Machado , Arthur Charpentier , Emmanuel Flachaire , Ewen Gallic , François Hu