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Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Sanguk Park , Minyoung Chung

We introduce an accurate lung segmentation model for chest radiographs based on deep convolutional neural networks. Our model is based on atrous convolutional layers to increase the field-of-view of filters efficiently. To improve…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Sangheum Hwang , Sunggyun Park

In CT angiography, the accurate segmentation of abdominal aortic aneurysms (AAAs) is difficult due to large anatomical variability, low-contrast vessel boundaries, and the close proximity of organs whose intensities resemble vascular…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Osamah Sufyan , Martin Brückmann , Ralph Wickenhöfer , Babette Dellen , Uwe Jaekel

Despite recent progress of automatic medical image segmentation techniques, fully automatic results usually fail to meet the clinical use and typically require further refinement. In this work, we propose a quality-aware memory network for…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Tianfei Zhou , Liulei Li , Gustav Bredell , Jianwu Li , Ender Konukoglu

Ventricular volume and its progression are known to be linked to several brain diseases such as dementia and schizophrenia. Therefore accurate measurement of ventricle volume is vital for longitudinal studies on these disorders, making…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Mohsen Ghafoorian , Jonas Teuwen , Rashindra Manniesing , Frank-Erik de Leeuw , Bram van Ginneken , Nico Karssemeijer , Bram Platel

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

Automated segmentation of left ventricular cavity (LVC) in temporal cardiac image sequences (multiple time points) is a fundamental requirement for quantitative analysis of its structural and functional changes. Deep learning based methods…

图像与视频处理 · 电气工程与系统科学 2024-12-18 Yuyu Guo , Lei Bi , Zhengbin Zhu , David Dagan Feng , Ruiyan Zhang , Qian Wang , Jinman Kim

Myocardial characterization is essential for patients with myocardial infarction and other myocardial diseases, and the assessment is often performed using cardiac magnetic resonance (CMR) sequences. In this study, we propose a fully…

图像与视频处理 · 电气工程与系统科学 2020-08-19 Xiaoran Zhang , Michelle Noga , Kumaradevan Punithakumar

Deep learning has achieved promising segmentation performance on 3D left atrium MR images. However, annotations for segmentation tasks are expensive, costly and difficult to obtain. In this paper, we introduce a novel hierarchical…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Shumeng Li , Ziyuan Zhao , Kaixin Xu , Zeng Zeng , Cuntai Guan

Chest radiography is an effective screening tool for diagnosing pulmonary diseases. In computer-aided diagnosis, extracting the relevant region of interest, i.e., isolating the lung region of each radiography image, can be an essential step…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Hilda Azimi , Jianxing Zhang , Pengcheng Xi , Hala Asad , Ashkan Ebadi , Stephane Tremblay , Alexander Wong

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Aashis Khanal , Rolando Estrada

Semantic Segmentation plays a pivotal role in many applications related to medical image and video analysis. However, designing a neural network architecture for medical image and surgical video segmentation is challenging due to the…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Negin Ghamsarian , Sebastian Wolf , Martin Zinkernagel , Klaus Schoeffmann , Raphael Sznitman

Convolutional Neural Networks (CNNs) have been recently employed to solve problems from both the computer vision and medical image analysis fields. Despite their popularity, most approaches are only able to process 2D images while most…

计算机视觉与模式识别 · 计算机科学 2016-06-16 Fausto Milletari , Nassir Navab , Seyed-Ahmad Ahmadi

Background: The assessment of left ventricular (LV) function by myocardial perfusion SPECT (MPS) relies on accurate myocardial segmentation. The purpose of this paper is to develop and validate a new method incorporating deep learning with…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Fubao Zhu , Jinyu Zhao , Chen Zhao , Shaojie Tang , Jiaofen Nan , Yanting Li , Zhongqiang Zhao , Jianzhou Shi , Zenghong Chen , Zhixin Jiang , Weihua Zhou

Medical imaging has been employed to support medical diagnosis and treatment. It may also provide crucial information to surgeons to facilitate optimal surgical preplanning and perioperative management. Essentially, semi-automatic organ and…

图像与视频处理 · 电气工程与系统科学 2021-01-26 K. E. Sengun , Y. T. Cetin , M. S Guzel , S. Can , E. Bostanci

Accurate left atrium (LA) segmentation from pre-operative scans is crucial for diagnosing atrial fibrillation, treatment planning, and supporting surgical interventions. While deep learning models are key in medical image segmentation, they…

图像与视频处理 · 电气工程与系统科学 2024-11-15 Bipasha Kundu , Bidur Khanal , Richard Simon , Cristian A. Linte

Manual segmentation of the Left Ventricle (LV) is a tedious and meticulous task that can vary depending on the patient, the Magnetic Resonance Images (MRI) cuts and the experts. Still today, we consider manual delineation done by experts as…

计算机视觉与模式识别 · 计算机科学 2018-01-09 Alexandre Attia , Sharone Dayan

Clinical examination of three-dimensional image data of compound anatomical objects, such as complex joints, remains a tedious process, demanding the time and the expertise of physicians. For instance, automation of the segmentation task of…

图像与视频处理 · 电气工程与系统科学 2021-09-22 Kristina Belikova , Oleg Rogov , Aleksandr Rybakov , Maxim V. Maslov , Dmitry V. Dylov

Unlike Right Atrium (RA), Left Atrium (LA) presents distinctive challenges, including much thinner myocardial walls, complex and irregular morphology, as well as diversity in individual's structure, making off-the-shelf methods designed for…

图像与视频处理 · 电气工程与系统科学 2024-05-29 Abdul Qayyum , Moona Mazher , Angela Lee , Jose A Solis-Lemus , Imran Razzak , Steven A Niederer

Segmentation of the sigmoid colon is a crucial aspect of treating diverticulitis. It enables accurate identification and localisation of inflammation, which in turn helps healthcare professionals make informed decisions about the most…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Md Akizur Rahman , Sonit Singh , Kuruparan Shanmugalingam , Sankaran Iyer , Alan Blair , Praveen Ravindran , Arcot Sowmya