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We propose an attention mechanism for 3D medical image segmentation. The method, named segmentation-by-detection, is a cascade of a detection module followed by a segmentation module. The detection module enables a region of interest to…

计算机视觉与模式识别 · 计算机科学 2017-11-02 Min Tang , Zichen Zhang , Dana Cobzas , Martin Jagersand , Jacob L. Jaremko

Background: Accurate volumetric assessment of spontaneous subarachnoid hemorrhage (SAH) is a labor-intensive task performed with current manual and semiautomatic methods that might be relevant for its clinical and prognostic implications.…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Sergio Garcia Garcia , Santiago Cepeda , Ignacio Arrese , Rosario Sarabia

We present a fully convolutional neural network for segmenting ischemic stroke lesions in CT perfusion images for the ISLES 2018 challenge. Treatment of stroke is time sensitive and current standards for lesion identification require manual…

计算机视觉与模式识别 · 计算机科学 2018-11-06 S. Mazdak Abulnaga , Jonathan Rubin

Normal Pressure Hydrocephalus (NPH) is one of the few reversible forms of dementia, Due to their low cost and versatility, Computed Tomography (CT) scans have long been used as an aid to help diagnose intracerebral anomalies such as NPH.…

图像与视频处理 · 电气工程与系统科学 2019-07-24 Angela Zhang , Po-Yu Kao , Ronald Sahyouni , Ashutosh Shelat , Jefferson Chen , B. S. Manjunath

In this paper, we demonstrate the feasibility and performance of deep residual neural networks for volumetric segmentation of irreversibly damaged brain tissue lesions on T1-weighted MRI scans for chronic stroke patients. A total of 239…

图像与视频处理 · 电气工程与系统科学 2019-11-27 Naofumi Tomita , Steven Jiang , Matthew E. Maeder , Saeed Hassanpour

Automated segmentation of medical imaging is of broad interest to clinicians and machine learning researchers alike. The goal of segmentation is to increase efficiency and simplicity of visualization and quantification of regions of…

图像与视频处理 · 电气工程与系统科学 2020-06-04 Shruti Jadon , Owen P. Leary , Ian Pan , Tyler J. Harder , David W. Wright , Lisa H. Merck , Derek L. Merck

Segmentation of the coronary artery is an important task for the quantitative analysis of coronary computed tomography angiography (CCTA) images and is being stimulated by the field of deep learning. However, the complex structures with…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Xiaoyu Yang , Lijian Xu , Simon Yu , Qing Xia , Hongsheng Li , Shaoting Zhang

Visually scoring lung involvement in systemic sclerosis from CT scans plays an important role in monitoring progression, but its labor intensiveness hinders practical application. We proposed, therefore, an automatic scoring framework that…

图像与视频处理 · 电气工程与系统科学 2021-10-18 Jingnan Jia , Marius Staring , Irene Hernández-Girón , Lucia J. M. Kroft , Anne A. Schouffoer , Berend C. Stoel

Haemorrhaging of the brain is the leading cause of death in people between the ages of 15 and 24 and the third leading cause of death in people older than that. Computed tomography (CT) is an imaging modality used to diagnose neurological…

图像与视频处理 · 电气工程与系统科学 2024-09-02 Ninad Mehendale , Pragya Gupta , Nishant Rajadhyaksha , Ansh Dagha , Mihir Hundiwala , Aditi Paretkar , Sakshi Chavan , Tanmay Mishra

We consider the problem of the detection of brain hemorrhages from three dimensional (3D) electrical impedance tomography (EIT) measurements. This is a condition requiring urgent treatment for which EIT might provide a portable and quick…

数值分析 · 数学 2021-10-27 Valentina Candiani , Matteo Santacesaria

This work presents a novel and promising approach to the clinical management of acute stroke. Using machine learning techniques, our research has succeeded in developing accurate diagnosis and prediction real-time models from hemodynamic…

信号处理 · 电气工程与系统科学 2023-06-09 Luis García-Terriza , José L. Risco-Martín , Gemma Reig Roselló , José L. Ayala

Automatic evaluation of myocardium and pathology plays an important role in the quantitative analysis of patients suffering from myocardial infarction. In this paper, we present a cascaded convolutional neural network framework for…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Jun Ma

Intracerebral hemorrhage (ICH) is the second most common and deadliest form of stroke. Despite medical advances, predicting treat ment outcomes for ICH remains a challenge. This paper proposes a novel prognostic model that utilizes both…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Wenao Ma , Cheng Chen , Jill Abrigo , Calvin Hoi-Kwan Mak , Yuqi Gong , Nga Yan Chan , Chu Han , Zaiyi Liu , Qi Dou

Automatic liver lesion segmentation is a challenging task while having a significant impact on assisting medical professionals in the designing of effective treatment and planning proper care. In this paper we propose a cascaded system that…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Raunak Dey , Yi Hong

Accurate hepatic vessel segmentation on ultrasound (US) images can be an important tool in the planning and execution of surgery, however proves to be a challenging task due to noise and speckle. Our method comprises a reduced filter 3D…

The hyperdense middle cerebral artery (MCA) dot sign has been reported as an important factor in the diagnosis of acute ischemic stroke due to large vessel occlusion. Interpreting the initial CT brain scan in these patients requires high…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Jia You , Philip L. H. Yu , Anderson C. O. Tsang , Eva L. H. Tsui , Pauline P. S. Woo , Gilberto K. K. Leung

Patient-specific hemodynamics assessment could support diagnosis and treatment of neurovascular diseases. Currently, conventional medical imaging modalities are not able to accurately acquire high-resolution hemodynamic information that…

Ischemic stroke is a severe condition caused by the blockage of brain blood vessels, and can lead to the death of brain tissue due to oxygen deprivation. Thrombectomy has become a common treatment choice for ischemic stroke due to its…

图像与视频处理 · 电气工程与系统科学 2024-08-05 Caiwen Jiang , Tianyu Wang , Xiaodan Xing , Mianxin Liu , Guang Yang , Zhongxiang Ding , Dinggang Shen

Automated blood vessel segmentation is vital for biomedical imaging, as vessel changes indicate many pathologies. Still, precise segmentation is difficult due to the complexity of vascular structures, anatomical variations across patients,…

A major challenge in stroke research and stroke recovery predictions is the determination of a stroke lesion's extent and its impact on relevant brain systems. Manual segmentation of stroke lesions from 3D magnetic resonance (MR) imaging…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Sovesh Mohapatra , Advait Gosai , Anant Shinde , Aleksei Rutkovskii , Sirisha Nouduri , Gottfried Schlaug