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Metabolic health is increasingly implicated as a risk factor across conditions from cardiology to neurology, and efficiency assessment of body composition is critical to quantitatively characterizing these relationships. 2D low dose single…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Xin Yu , Yucheng Tang , Qi Yang , Ho Hin Lee , Riqiang Gao , Shunxing Bao , Ann Zenobia Moore , Luigi Ferrucci , Bennett A. Landman

An abdominal aortic aneurysm (AAA) is a focal dilation of the aorta that, if not treated, tends to grow and may rupture. A significant unmet need in the assessment of AAA disease, for the diagnosis, prognosis and follow-up, is the…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Karen López-Linares , Inmaculada García , Ainhoa García-Familiar , Iván Macía , Miguel A. González Ballester

This work aims to characterise renal tumour microstructure using diffusion MRI (dMRI); via the Vascular, Extracellular and Restricted Diffusion for Cytometry in Tumours (VERDICT)-MRI framework with self-supervised learning. Comprehensive…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Snigdha Sen , Lorna Smith , Lucy Caselton , Joey Clemente , Maxine Tran , Shonit Punwani , David Atkinson , Richard L Hesketh , Eleftheria Panagiotaki

Digital Breast Tomosynthesis (DBT) is a widely used medical imaging modality for breast cancer screening and diagnosis, offering higher spatial resolution and greater detail through its 3D-like breast volume imaging capability. However, the…

图像与视频处理 · 电气工程与系统科学 2024-03-21 Yuexi Du , Regina J. Hooley , John Lewin , Nicha C. Dvornek

Brain metastases occur frequently in patients with metastatic cancer. Early and accurate detection of brain metastases is very essential for treatment planning and prognosis in radiation therapy. To improve brain metastasis detection…

Introduction: Quantification of dynamic contrast-enhanced (DCE)-MRI has the potential to provide valuable clinical information, but robust pharmacokinetic modeling remains a challenge for clinical adoption. Methods: A 7-layer neural network…

医学物理 · 物理学 2024-05-22 Ouri Cohen , Soudabeh Kargar , Sungmin Woo , Alberto Vargas , Ricardo Otazo

This paper assesses whether using clinical characteristics in addition to imaging can improve automated segmentation of kidney cancer on contrast-enhanced computed tomography (CT). A total of 300 kidney cancer patients with…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Christina B. Lund , Bas H. M. van der Velden

This study proposes an automatic technique for liver segmentation in computed tomography (CT) images. Localization of the liver volume is based on the correlation with an optimized set of liver templates developed by the authors that allows…

图像与视频处理 · 电气工程与系统科学 2020-01-01 N. S. Kulberg , A. B. Elizarov , V. P. Novik , V. A. Gombolevsky , A. P. Gonchar , A. L. Alliua , V. Yu. Bosin , A. V. Vladzymyrsky , S. P. Morozov

Automatic segmentation of hepatic lesions in computed tomography (CT) images is a challenging task to perform due to heterogeneous, diffusive shape of tumors and complex background. To address the problem more and more researchers rely on…

图像与视频处理 · 电气工程与系统科学 2019-09-18 Dina B. Efremova , Dmitry A. Konovalov , Thanongchai Siriapisith , Worapan Kusakunniran , Peter Haddawy

Purpose: Aortic dissections are life-threatening cardiovascular conditions requiring accurate segmentation of true lumen (TL), false lumen (FL), and false lumen thrombosis (FLT) from CTA images for effective management. Manual segmentation…

图像与视频处理 · 电气工程与系统科学 2025-06-30 Hao Xu , Ruth Lim , Brian E. Chapman

Automated segmentation of cancerous lesions in PET/CT images is a vital initial task for quantitative analysis. However, it is often challenging to train deep learning-based segmentation methods to high degree of accuracy due to the…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Shadab Ahamed , Arman Rahmim

Manual segmentation of hepatic metastases in ultrasound images acquired from patients suffering from pancreatic cancer is common practice. Semiautomatic measurements promising assistance in this process are often assessed using a small…

计算机视觉与模式识别 · 计算机科学 2017-10-10 Alexander Hann , Lucas Bettac , Mark M. Haenle , Tilmann Graeter , Andreas W. Berger , Jens Dreyhaupt , Dieter Schmalstieg , Wolfram G. Zoller , Jan Egger

Image segmentation is a fundamental problem in medical image analysis. In recent years, deep neural networks achieve impressive performances on many medical image segmentation tasks by supervised learning on large manually annotated data.…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Ling Zhang , Vissagan Gopalakrishnan , Le Lu , Ronald M. Summers , Joel Moss , Jianhua Yao

We propose a novel automatic method for accurate segmentation of the prostate in T2-weighted magnetic resonance imaging (MRI). Our method is based on convolutional neural networks (CNNs). Because of the large variability in the shape, size,…

图像与视频处理 · 电气工程与系统科学 2020-01-01 Davood Karimi , Golnoosh Samei , Yanan Shao , Septimiu Salcudean

Automatic segmentation of kidney and kidney tumour in Computed Tomography (CT) images is essential, as it uses less time as compared to the current gold standard of manual segmentation. However, many hospitals are still reliant on manual…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Qi Ming How , Hoi Leong Lee

Deep-learning (DL) based methods are playing an important role in the task of abdominal organs and tumors segmentation in CT scans. However, the large requirements of annotated datasets heavily limit its development. The FLARE23 challenge…

图像与视频处理 · 电气工程与系统科学 2023-10-03 Jiaxin Zhuang , Luyang Luo , Zhixuan Chen , Linshan Wu

Background: Chest X-rays are the most commonly performed, cost-effective diagnostic imaging tests ordered by physicians. A clinically validated AI system that can reliably separate normals from abnormals can be invaluble particularly in…

Deep neural networks have been widely adopted for automatic organ segmentation from abdominal CT scans. However, the segmentation accuracy of some small organs (e.g., the pancreas) is sometimes below satisfaction, arguably because deep…

计算机视觉与模式识别 · 计算机科学 2017-06-22 Yuyin Zhou , Lingxi Xie , Wei Shen , Yan Wang , Elliot K. Fishman , Alan L. Yuille

To analyze this characteristic of vulnerability, we developed an automated deep learning method for detecting microvessels in intravascular optical coherence tomography (IVOCT) images. A total of 8,403 IVOCT image frames from 85 lesions and…

Pancreas segmentation has been traditionally challenging due to its small size in computed tomography abdominal volumes, high variability of shape and positions among patients, and blurred boundaries due to low contrast between the pancreas…

图像与视频处理 · 电气工程与系统科学 2025-05-22 Andrea Moglia , Matteo Cavicchioli , Luca Mainardi , Pietro Cerveri