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High-fidelity semantic segmentation of magnetic resonance volumes is critical for estimating tissue morphometry and relaxation parameters in both clinical and research applications. While manual segmentation is accepted as the…

图像与视频处理 · 电气工程与系统科学 2019-02-07 Arjun D. Desai , Garry E. Gold , Brian A. Hargreaves , Akshay S. Chaudhari

Dynamic contrast-enhanced magnetic resonance imaging (DCE- MRI) is a widely used multi-phase technique routinely used in clinical practice. DCE and similar datasets of dynamic medical data tend to contain redundant information on the…

Convolutional Neural Networks (CNNs) show impressive performance in the standard classification setting where training and testing data are drawn i.i.d. from a given domain. However, CNNs do not readily generalize to new domains with…

计算机视觉与模式识别 · 计算机科学 2020-07-13 Nathan Somavarapu , Chih-Yao Ma , Zsolt Kira

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

The volume estimation of brain regions from MRI data is a key problem in many clinical applications, where the acquisition of data at high spatial resolution is desirable. While parallel MRI and constrained image reconstruction algorithms…

图像与视频处理 · 电气工程与系统科学 2021-05-20 Aniket Pramanik , Xiaodong Wu , Mathews Jacob

In the past decade, deep convolutional neural networks have achieved significant success in image classification and ranking and have therefore found numerous applications in multimedia content retrieval. Still, these models suffer from…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Aristotelis Ballas , Christos Diou

Domain shift in the field of histopathological imaging is a common phenomenon due to the intra- and inter-hospital variability of staining and digitization protocols. The implementation of robust models, capable of creating generalized…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Ilán Carretero , Pablo Meseguer , Rocío del Amor , Valery Naranjo

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performance of these systems often degrades when they are applied on…

The segmentation of diseases is a popular topic explored by researchers in the field of machine learning. Brain tumors are extremely dangerous and require the utmost precision to segment for a successful surgery. Patients with tumors…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Sanskriti Singh

Many deep neural networks trained on natural images exhibit a curious phenomenon in common: on the first layer they learn features similar to Gabor filters and color blobs. Such first-layer features appear not to be specific to a particular…

机器学习 · 计算机科学 2014-12-09 Jason Yosinski , Jeff Clune , Yoshua Bengio , Hod Lipson

Since stroke is the main cause of various cerebrovascular diseases, deep learning-based stroke lesion segmentation on magnetic resonance (MR) images has attracted considerable attention. However, the existing methods often neglect the…

图像与视频处理 · 电气工程与系统科学 2023-10-03 Weiyi Yu , Yiming Lei , Hongming Shan

Clinical magnetic-resonance (MR) protocols generate many T1 and T2 sequences whose appearance differs more than the acquisition sites that produce them. Existing domain-generalization benchmarks focus almost on cross-center shifts and…

图像与视频处理 · 电气工程与系统科学 2025-08-01 Zheyuan Zhang , Linkai Peng , Wanying Dou , Cuiling Sun , Halil Ertugrul Aktas , Andrea M. Bejar , Elif Keles , Gorkem Durak , Ulas Bagci

Brain metastasis segmentation poses a significant challenge in medical imaging due to the complex presentation and variability in size and location of metastases. In this study, we first investigate the impact of different imaging…

图像与视频处理 · 电气工程与系统科学 2024-07-22 Yousef Sadegheih , Dorit Merhof

Medical images often exhibit low and blurred contrast between lesions and surrounding tissues, with considerable variation in lesion edges and shapes even within the same disease, leading to significant challenges in segmentation.…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Wang Jiangtao , Nur Intan Raihana Ruhaiyem , Fu Panpan

Convolutional neural network (CNN) methods have been proposed to quantify lesions in medical imaging. Commonly more than one imaging examination is available for a patient, but the serial information in these images often remains unused.…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Mariëlle J. A. Jansen , Hugo J. Kuijf , Ashis K. Dhara , Nick A. Weaver , Geert Jan Biessels , Robin Strand , Josien P. W. Pluim

We propose to adapt segmentation networks with a constrained formulation, which embeds domain-invariant prior knowledge about the segmentation regions. Such knowledge may take the form of simple anatomical information, e.g., structure size…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Mathilde Bateson , Jose Dolz , Hoel Kervadec , Hervé Lombaert , Ismail Ben Ayed

Despite their remarkable expressibility, convolution neural networks (CNNs) still fall short of delivering satisfactory results on single image dehazing, especially in terms of faithful recovery of fine texture details. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2022-01-14 Huan Liu , Jun Chen

Convolutional Neural Networks (CNNs) have recently been applied to cosmological fields -- weak lensing mass maps and galaxy maps. However, cosmological maps differ in several ways from the vast majority of images that CNNs have been tested…

宇宙学与河外天体物理 · 物理学 2024-03-05 Kunhao Zhong , Marco Gatti , Bhuvnesh Jain

While deep learning models become more widespread, their ability to handle unseen data and generalize for any scenario is yet to be challenged. In medical imaging, there is a high heterogeneity of distributions among images based on the…

图像与视频处理 · 电气工程与系统科学 2025-05-01 Eduardo H. P. Pooch , Pedro L. Ballester , Rodrigo C. Barros

Deep neural networks are widely used in image classification problems. However, little work addresses how features from different deep neural networks affect the domain adaptation problem. Existing methods often extract deep features from…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Youshan Zhang , Brian D. Davison