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Accurate segmentation of pulmonary vessels plays a very critical role in diagnosing and assessing various lung diseases. Currently, many automated algorithms are primarily targeted at CTPA (Computed Tomography Pulmonary Angiography) types…

图像与视频处理 · 电气工程与系统科学 2025-05-20 Ying Ming , Shaoze Luo , Longfei Zhao , Ruijie Zhao , Bing Li , Qiqi Xu , Wei Song

Deep learning-based segmentation of the liver and hepatic lesions therein steadily gains relevance in clinical practice due to the increasing incidence of liver cancer each year. Whereas various network variants with overall promising…

图像与视频处理 · 电气工程与系统科学 2023-03-23 Georg Hille , Shubham Agrawal , Pavan Tummala , Christian Wybranski , Maciej Pech , Alexey Surov , Sylvia Saalfeld

Machine learning models produce state-of-the-art results in many MRI images segmentation. However, most of these models are trained on very large datasets which come from experts manual labeling. This labeling process is very time consuming…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Ismaël Koné , Lahsen Boulmane

Volumetric analysis of brain ventricle (BV) structure is a key tool in the study of central nervous system development in embryonic mice. High-frequency ultrasound (HFU) is the only non-invasive, real-time modality available for rapid…

图像与视频处理 · 电气工程与系统科学 2018-11-09 Ziming Qiu , Jack Langerman , Nitin Nair , Orlando Aristizabal , Jonathan Mamou , Daniel H. Turnbull , Jeffrey Ketterling , Yao Wang

The clinical management of several cardiovascular conditions, such as pulmonary hypertension, require the assessment of the right ventricular (RV) function. This work addresses the fully automatic and robust access to one of the key RV…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Nicoló Savioli , Miguel Silva Vieira , Pablo Lamata , Giovanni Montana

Radiological imaging offers effective measurement of anatomy, which is useful in disease diagnosis and assessment. Previous study has shown that the left atrial wall remodeling can provide information to predict treatment outcome in atrial…

计算机视觉与模式识别 · 计算机科学 2018-12-07 Shuman Jia , Antoine Despinasse , Zihao Wang , Hervé Delingette , Xavier Pennec , Pierre Jaïs , Hubert Cochet , Maxime Sermesant

We propose a new method to automatically contour the left ventricle on 2D echocardiographic images. Unlike most existing segmentation methods, which are based on predicting segmentation masks, we focus at predicting the endocardial contour…

图像与视频处理 · 电气工程与系统科学 2022-07-14 Alberto Gomez , Mihaela Porumb , Angela Mumith , Thierry Judge , Shan Gao , Woo-Jin Cho Kim , Jorge Oliveira , Agis Chartsias

We propose a new iterative segmentation model which can be accurately learned from a small dataset. A common approach is to train a model to directly segment an image, requiring a large collection of manually annotated images to capture the…

计算机视觉与模式识别 · 计算机科学 2018-09-13 Danielle F. Pace , Adrian V. Dalca , Tom Brosch , Tal Geva , Andrew J. Powell , Jürgen Weese , Mehdi H. Moghari , Polina Golland

Hyper-trabeculation or non-compaction in the left ventricle of the myocardium (LVNC) is a recently classified form of cardiomyopathy. Several methods have been proposed to quantify the trabeculae accurately in the left ventricle, but there…

图像与视频处理 · 电气工程与系统科学 2024-02-13 Gregorio Bernabé , Pilar González-Férez , José M. García , Guillem Casas , Josefa González-Carrillo

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

Morphological analysis and identification of pathologies in the aorta are important for cardiovascular diagnosis and risk assessment in patients. Manual annotation is time-consuming and cumbersome in CT scans acquired without contrast…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Ivana Isgum

In this work, we implement a fully convolutional segmenter featuring both a learned group structure and a regularized weight-pruner to reduce the high computational cost in volumetric image segmentation. We validated our framework on the…

图像与视频处理 · 电气工程与系统科学 2020-04-24 S. M. Kamrul Hasan , Cristian A. Linte

Based on CT and MRI images acquired from normal pressure hydrocephalus (NPH) patients, using machine learning methods, we aim to establish a multi-modal and high-performance automatic ventricle segmentation method to achieve efficient and…

医学物理 · 物理学 2022-02-02 Xi Zhou , Qinghao Ye , Xiaolin Yang , Jiakuan Chen , Haiqin Ma , Jun Xia , Javier Del Ser , Guang Yang

We present a method for automated segmentation of the vasculature in retinal images. The method produces segmentations by classifying each image pixel as vessel or non-vessel, based on the pixel's feature vector. Feature vectors are…

计算机视觉与模式识别 · 计算机科学 2007-05-23 João V. B. Soares , Jorge J. G. Leandro , Roberto M. Cesar , Herbert F. Jelinek , Michael J. Cree

Previous studies on echocardiogram segmentation are focused on the left ventricle in parasternal long-axis views. In this study, deep-learning models were evaluated on the segmentation of the ventricles in parasternal short-axis…

图像与视频处理 · 电气工程与系统科学 2025-04-04 Julian Rene Cuellar Buritica , Vu Dinh , Manjula Burri , Julie Roelandts , James Wendling , Jon D. Klingensmith

We present a fully automated method for top-down segmentation of the pulmonary arterial tree in low-dose thoracic CT images. The main basal pulmonary arteries are identified near the lung hilum by searching for candidate vessels adjacent to…

计算机视觉与模式识别 · 计算机科学 2011-06-28 Jeremiah Wala , Sergei Fotin , Jaesung Lee , Artit Jirapatnakul , Alberto Biancardi , Anthony Reeves

Accurate segmentation of lung cancer in pathology slides is a critical step in improving patient care. We proposed the ACDC@LungHP (Automatic Cancer Detection and Classification in Whole-slide Lung Histopathology) challenge for evaluating…

Automatic segmentation of multiple organs and tumors from 3D medical images such as magnetic resonance imaging (MRI) and computed tomography (CT) scans using deep learning methods can aid in diagnosing and treating cancer. However, organs…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Hao Li , Yang Nan , Javier Del Ser , Guang Yang

Contrastive learning has proven useful in many applications where access to labelled data is limited. The lack of annotated data is particularly problematic in medical image segmentation as it is difficult to have clinical experts manually…

图像与视频处理 · 电气工程与系统科学 2022-07-15 Mohamed Saeed , Rand Muhtaseb , Mohammad Yaqub

Differentiable programming is able to combine different functions or programs in a processing pipeline with the goal of applying end-to-end learning or optimization. A significant impediment is the non-differentiable nature of some…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Nhat M. Nguyen , Nilanjan Ray