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Diffusion-weighted Magnetic Resonance Imaging (dMRI) is increasingly used to study the fetal brain in utero. An important computation enabled by dMRI is streamline tractography, which has unique applications such as tract-specific analysis…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Camilo Calixto , Camilo Jaimes , Matheus D. Soldatelli , Simon K. Warfield , Ali Gholipour , Davood Karimi

Diffusion-weighted magnetic resonance imaging (DW-MRI) is a powerful, non-invasive tool for detecting and characterizing abdominal lesions to facilitate early diagnosis, but respiratory motion during a scan reduces image quality and…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Michelle Su , Cemre Ariyurek , Serge Vasylechko , Onur Afacan , Sila Kurugol

A stroke occurs when an artery in the brain ruptures and bleeds or when the blood supply to the brain is cut off. Blood and oxygen cannot reach the brain's tissues due to the rupture or obstruction resulting in tissue death. The Middle…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Ujjwal Upadhyay , Mukul Ranjan , Satish Golla , Swetha Tanamala , Preetham Sreenivas , Sasank Chilamkurthy , Jeyaraj Pandian , Jason Tarpley

Ischemic stroke occurs through a blockage of clogged blood vessels supplying blood to the brain. Segmentation of the stroke lesion is vital to improve diagnosis, outcome assessment and treatment planning. In this work, we propose a…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Mobarakol Islam , N Rajiv Vaidyanathan , V Jeya Maria Jose , Hongliang Ren

We propose an automatic algorithm, named SDI, for the segmentation of skin lesions in dermoscopic images, articulated into three main steps: selection of the image ROI, selection of the segmentation band, and segmentation. We present…

计算机视觉与模式识别 · 计算机科学 2017-03-10 Mario Rosario Guarracino , Lucia Maddalena

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

定量方法 · 定量生物学 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

Quantitative, volumetric analysis of Magnetic Resonance Imaging (MRI) is a fundamental way researchers study the brain in a host of neurological conditions including normal maturation and aging. Despite the availability of open-source brain…

Magnetic resonance imaging (MRI) enables non-invasive, high-resolution analysis of muscle structures. However, automated segmentation remains limited by high computational costs, reliance on large training datasets, and reduced accuracy in…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Mengyuan Liu , Jeongkyu Lee

This study's objective was to segment spinal metastases in diagnostic MR images using a deep learning-based approach. Segmentation of such lesions can present a pivotal step towards enhanced therapy planning and validation, as well as…

图像与视频处理 · 电气工程与系统科学 2020-01-29 Georg Hille , Johannes Steffen , Max Dünnwald , Mathias Becker , Sylvia Saalfeld , Klaus Tönnies

Automatic segmentation of myocardial contours and relevant areas like infraction and no-reflow is an important step for the quantitative evaluation of myocardial infarction. In this work, we propose a cascaded convolutional neural network…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Yichi Zhang

Localization of focal vascular lesions on brain MRI is an important component of research on the etiology of neurological disorders. However, manual annotation of lesions can be challenging, time-consuming and subject to observer bias.…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Kimberlin M. H. van Wijnen , Florian Dubost , Pinar Yilmaz , M. Arfan Ikram , Wiro J. Niessen , Hieab Adams , Meike W. Vernooij , Marleen de Bruijne

The automated segmentation of Intracranial Arteries (IA) in Digital Subtraction Angiography (DSA) plays a crucial role in the quantification of vascular morphology, significantly contributing to computer-assisted stroke research and…

图像与视频处理 · 电气工程与系统科学 2024-07-09 Wentao Liu , Tong Tian , Lemeng Wang , Weijin Xu , Lei Li , Haoyuan Li , Wenyi Zhao , Siyu Tian , Xipeng Pan , Huihua Yang , Feng Gao , Yiming Deng , Xin Yang , Ruisheng Su

Current deep learning approaches for prostate cancer lesion segmentation achieve limited performance, with Dice scores of 0.32 or lower in large patient cohorts. To address this limitation, we investigate synthetic correlated diffusion…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Jarett Dewbury , Chi-en Amy Tai , Alexander Wong

A brain stroke occurs when blood flow to a part of the brain is disrupted, leading to cell death. Traditional stroke diagnosis methods, such as CT scans and MRIs, are costly and time-consuming. This study proposes a weighted voting ensemble…

机器学习 · 计算机科学 2025-04-22 Yao Zhiwan , Reza Zarrab , Jean Dubois

Segmentation is one of the most important tasks in MRI medical image analysis and is often the first and the most critical step in many clinical applications. In brain MRI analysis, head segmentation is commonly used for measuring and…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Haleh Akrami , Wenhui Cui , Anand A Joshi , Richard M. Leahy

Accurate stroke lesion segmentation plays a pivotal role in stroke rehabilitation research, to provide lesion shape and size information which can be used for quantification of the extent of the stroke and to assess treatment efficacy.…

图像与视频处理 · 电气工程与系统科学 2022-11-29 Jiayu Huo , Liyun Chen , Yang Liu , Maxence Boels , Alejandro Granados , Sebastien Ourselin , Rachel Sparks

Accurate segmentation of brain tumors in MRI scans is essential for reliable clinical diagnosis and effective treatment planning. Recently, diffusion models have demonstrated remarkable effectiveness in image generation and segmentation…

图像与视频处理 · 电气工程与系统科学 2025-07-31 Sara Yavari , Rahul Nitin Pandya , Jacob Furst

Magnetic resonance imaging technique known as DWI (diffusion-weighted imaging) allows measurement of water diffusivity on a pixel basis for evaluating pathology throughout the body and is now routinely incorporated into many body MRI…

\hspace{2mm} Diffusion-weighted magnetic resonance imaging (dMRI) of the brain offers unique capabilities including noninvasive probing of tissue microstructure and structural connectivity. It is widely used for clinical assessment of…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Davood Karimi , Simon K. Warfield

The Random Walks (RW) algorithm is one of the most e - cient and easy-to-use probabilistic segmentation methods. By combining contrast terms with prior terms, it provides accurate segmentations of medical images in a fully automated manner.…

计算机视觉与模式识别 · 计算机科学 2013-09-02 Pierre-Yves Baudin , Danny Goodman , Puneet Kumar , Noura Azzabou , Pierre G. Carlier , Nikos Paragios , M. Pawan Kumar