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Diffusion probabilistic models (DPMs) have exhibited significant effectiveness in computer vision tasks, particularly in image generation. However, their notable performance heavily relies on labelled datasets, which limits their…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Keqiang Fan , Xiaohao Cai , Mahesan Niranjan

The ability of deep learning to predict with uncertainty is recognized as key for its adoption in clinical routines. Moreover, performance gain has been enabled by modelling uncertainty according to empirical evidence. While previous work…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Jiawei Yang , Yuan Liang , Yao Zhang , Weinan Song , Kun Wang , Lei He

Past few years have witnessed the prevalence of deep learning in many application scenarios, among which is medical image processing. Diagnosis and treatment of brain tumors requires an accurate and reliable segmentation of brain tumors as…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Feifan Wang , Runzhou Jiang , Liqin Zheng , Chun Meng , Bharat Biswal

Accurate segmentation of MR brain tissue is a crucial step for diagnosis,surgical planning, and treatment of brain abnormalities. However,it is a time-consuming task to be performed by medical experts. So, automatic and reliable…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Yang Deng , Yao Sun , Yongpei Zhu , Mingwang Zhu , Wei Han , Kehong Yuan

Non-invasive techniques such as magnetic resonance imaging (MRI) are widely employed in brain tumor diagnostics. However, manual segmentation of brain tumors from 3D MRI volumes is a time-consuming task that requires trained expert…

图像与视频处理 · 电气工程与系统科学 2020-12-24 Benjamin Maas , Erfan Zabeh , Soroush Arabshahi

Brain tumors are one of the deadliest forms of cancer with a mortality rate of over 80%. A quick and accurate diagnosis is crucial to increase the chance of survival. However, in medical analysis, the manual annotation and segmentation of a…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Zachary Schwehr , Sriman Achanta

Brain disorders are a major challenge to global health, causing millions of deaths each year. Accurate diagnosis of these diseases relies heavily on advanced medical imaging techniques such as Magnetic Resonance Imaging (MRI) and Computed…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Xuran Zhu

Deep unsupervised anomaly detection in brain magnetic resonance imaging offers a promising route to identify pathological deviations without requiring lesion-specific annotations. Yet, fragmented evaluations, heterogeneous datasets, and…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Alexander Frotscher , Christian F. Baumgartner , Thomas Wolfers

In the last decade, research on artificial intelligence has seen rapid growth with deep learning models, especially in the field of medical image segmentation. Various studies demonstrated that these models have powerful prediction…

图像与视频处理 · 电气工程与系统科学 2022-02-14 Dominik Müller , Iñaki Soto-Rey , Frank Kramer

Accurate uncertainty estimation is crucial for deploying neural networks in risk-sensitive applications such as medical diagnosis. Monte Carlo Dropout is a widely used technique for approximating predictive uncertainty by performing…

机器学习 · 计算机科学 2025-06-05 Tal Zeevi , Ravid Shwartz-Ziv , Yann LeCun , Lawrence H. Staib , John A. Onofrey

Neural networks for automated image segmentation are typically trained to achieve maximum accuracy, while less attention has been given to the calibration of their confidence scores. However, well-calibrated confidence scores provide…

图像与视频处理 · 电气工程与系统科学 2020-10-28 Axel-Jan Rousseau , Thijs Becker , Jeroen Bertels , Matthew B. Blaschko , Dirk Valkenborg

Deep neural networks excel in perception tasks such as semantic segmentation and monocular depth estimation, making them indispensable in safety-critical applications like autonomous driving and industrial inspection. However, they often…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Steven Landgraf , Markus Hillemann , Theodor Kapler , Markus Ulrich

Accurate individual treatment-effect estimation demands not only reliable point predictions but also uncertainty measures that help practitioners \emph{locate} the source of model failure. We introduce a layer-wise variance decomposition…

机器学习 · 计算机科学 2026-05-13 Cooper Doyle

The accurate automatic segmentation of gliomas and its intra-tumoral structures is important not only for treatment planning but also for follow-up evaluations. Several methods based on 2D and 3D Deep Neural Networks (DNN) have been…

图像与视频处理 · 电气工程与系统科学 2020-01-28 Parth Natekar , Avinash Kori , Ganapathy Krishnamurthi

The high cure rate of cancer is inextricably linked to physicians' accuracy in diagnosis and treatment, therefore a model that can accomplish high-precision tumor segmentation has become a necessity in many applications of the medical…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Zeqiu. Yu , Shuo. Han , Ziheng. Song

Magnetic Resonance Imaging (MRI) is an important diagnostic tool for precise detection of various pathologies. Magnetic Resonance (MR) is more preferred than Computed Tomography (CT) due to the high resolution in MR images which help in…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Pranay Manocha , Snehal Bhasme , Tanvi Gupta , BK Panigrahi , Tapan K. Gandhi

We present a sampling-free approach for computing the epistemic uncertainty of a neural network. Epistemic uncertainty is an important quantity for the deployment of deep neural networks in safety-critical applications, since it represents…

机器学习 · 计算机科学 2019-12-04 Janis Postels , Francesco Ferroni , Huseyin Coskun , Nassir Navab , Federico Tombari

Detecting and segmenting brain metastases is a tedious and time-consuming task for many radiologists, particularly with the growing use of multi-sequence 3D imaging. This study demonstrates automated detection and segmentation of brain…

图像与视频处理 · 电气工程与系统科学 2019-12-30 Endre Grøvik , Darvin Yi , Michael Iv , Elisabeth Tong , Daniel L. Rubin , Greg Zaharchuk

Uncertainty quantification of machine learning and deep learning methods plays an important role in enhancing trust to the obtained result. In recent years, a numerous number of uncertainty quantification methods have been introduced. Monte…

机器学习 · 计算机科学 2023-02-07 Afshar Shamsi , Hamzeh Asgharnezhad , AmirReza Tajally , Saeid Nahavandi , Henry Leung

Recently, there has been a significant amount of interest in satellite telemetry anomaly detection (AD) using neural networks (NN). For AD purposes, the current approaches focus on either forecasting or reconstruction of the time series,…

机器学习 · 计算机科学 2022-11-29 Mohammad Amin Maleki Sadr , Yeying Zhu , Peng Hu