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Today, deep convolutional neural networks (CNNs) have demonstrated state-of-the-art performance for medical image segmentation, on various imaging modalities and tasks. Despite early success, segmentation networks may still generate…

图像与视频处理 · 电气工程与系统科学 2022-01-13 Rosana El Jurdi , Caroline Petitjean , Veronika Cheplygina , Paul Honeine , Fahed Abdallah

Segmentation tasks in medical imaging are inherently ambiguous: the boundary of a target structure is oftentimes unclear due to image quality and biological factors. As such, predicted segmentations from deep learning algorithms are…

图像与视频处理 · 电气工程与系统科学 2019-11-18 Katharina Hoebel , Ken Chang , Jay Patel , Praveer Singh , Jayashree Kalpathy-Cramer

Research has shown that deep networks tend to be overly optimistic about their predictions, leading to an underestimation of prediction errors. Due to the limited nature of data, existing studies have proposed various methods based on model…

机器学习 · 计算机科学 2023-10-24 Jia-Qi Yang , De-Chuan Zhan , Le Gan

Medical image segmentation is critical for disease diagnosis and treatment assessment. However, concerns regarding the reliability of segmentation regions persist among clinicians, mainly attributed to the absence of confidence assessment,…

图像与视频处理 · 电气工程与系统科学 2025-09-12 Ke Zou , Yidi Chen , Ling Huang , Xuedong Yuan , Xiaojing Shen , Meng Wang , Rick Siow Mong Goh , Yong Liu , Huazhu Fu

Imbalanced datasets pose a considerable challenge in training deep learning (DL) models for medical diagnostics, particularly for segmentation tasks. Imbalance may be associated with annotation quality limited annotated datasets, rare…

图像与视频处理 · 电气工程与系统科学 2025-04-08 Bashir Alam , Masa Cirkovic , Mete Harun Akcay , Md Kaf Shahrier , Sebastien Lafond , Hergys Rexha , Kurt Benke , Sepinoud Azimi , Janan Arslan

Calibration of neural networks is a topical problem that is becoming more and more important as neural networks increasingly underpin real-world applications. The problem is especially noticeable when using modern neural networks, for which…

机器学习 · 计算机科学 2023-08-29 Ondrej Bohdal , Yongxin Yang , Timothy Hospedales

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

Despite the undeniable progress in visual recognition tasks fueled by deep neural networks, there exists recent evidence showing that these models are poorly calibrated, resulting in over-confident predictions. The standard practices of…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Balamurali Murugesan , Bingyuan Liu , Adrian Galdran , Ismail Ben Ayed , Jose Dolz

An important issue in medical image processing is to be able to estimate not only the performances of algorithms but also the precision of the estimation of these performances. Reporting precision typically amounts to reporting…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Rosana El Jurdi , Olivier Colliot

For an AI system to be reliable, the confidence it expresses in its decisions must match its accuracy. To assess the degree of match, examples are typically binned by confidence and the per-bin mean confidence and accuracy are compared.…

机器学习 · 计算机科学 2022-02-14 Rebecca Roelofs , Nicholas Cain , Jonathon Shlens , Michael C. Mozer

Optimal decision making requires that classifiers produce uncertainty estimates consistent with their empirical accuracy. However, deep neural networks are often under- or over-confident in their predictions. Consequently, methods have been…

Medical image segmentation is a key task in the imaging workflow, influencing many image-based decisions. Traditional, fully-supervised segmentation models rely on large amounts of labeled training data, typically obtained through manual…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Tyler Ward , Abdullah-Al-Zubaer Imran

Within medical imaging segmentation, the Dice coefficient and Hausdorff-based metrics are standard measures of success for deep learning models. However, modern loss functions for medical image segmentation often only consider the Dice…

图像与视频处理 · 电气工程与系统科学 2024-01-26 Adrian Celaya , Beatrice Riviere , David Fuentes

Neural network-based decisions tend to be overconfident, where their raw outcome probabilities do not align with the true decision probabilities. Calibration of neural networks is an essential step towards more reliable deep learning…

机器学习 · 计算机科学 2025-02-19 Geetanjali Bihani , Julia Taylor Rayz

In medical imaging, inter-observer variability among radiologists often introduces label uncertainty, particularly in modalities where visual interpretation is subjective. Lung ultrasound (LUS) is a prime example-it frequently presents a…

Image segmentation is fundamental to microstructural analysis for defect identification and structure-property correlation, yet remains challenging due to pronounced heterogeneity in materials images arising from varied processing and…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Sanjeev S. Navaratna , Nikhil Thawari , Gunashekhar Mari , Amritha V P , Murugaiyan Amirthalingam , Rohit Batra

Traditional loss functions in medical image segmentation, such as Dice, often under-segment small lesions because their small relative volume contributes negligibly to the overall loss. To address this, instance-wise loss functions and…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Luc Bouteille , Alexander Jaus , Jens Kleesiek , Rainer Stiefelhagen , Lukas Heine

Reliable classification and detection of certain medical conditions, in images, with state-of-the-art semantic segmentation networks, require vast amounts of pixel-wise annotation. However, the public availability of such datasets is…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Erik Ostrowski , Bharath Srinivas Prabakaran , Muhammad Shafique

With advances in digital technology, the classification of medical images has become a crucial step for image-based clinical decision support systems. Automatic medical image classification represents a pivotal domain where the use of AI…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Abu Adnan Sadi , Labib Chowdhury , Nusrat Jahan , Mohammad Newaz Sharif Rafi , Radeya Chowdhury , Faisal Ahamed Khan , Nabeel Mohammed

Split Federated Learning (SplitFed) combines federated and split learning to preserve privacy while reducing client-side computation. However, in medical image segmentation, heterogeneous label quality across clients can significantly…

图像与视频处理 · 电气工程与系统科学 2026-05-13 Zahra Hafezi Kafshgari , Hadi Hadizadeh , Parvaneh Saeedi