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Myocardial Velocity Mapping Cardiac MR (MVM-CMR) can be used to measure global and regional myocardial velocities with proved reproducibility. Accurate left ventricle delineation is a prerequisite for robust and reproducible myocardial…

Image and Video Processing · Electrical Eng. & Systems 2021-04-28 Mengmeng Kuang , Yinzhe Wu , Diego Alonso-Álvarez , David Firmin , Jennifer Keegan , Peter Gatehouse , Guang Yang

Automatic segmentation of left ventricle (LV) myocardium in cardiac short-axis cine MR images acquired on subjects with myocardial infarction is a challenging task, mainly because of the various types of image inhomogeneity caused by the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Dongqing Zhang , Ilknur Icke , Belma Dogdas , Sarayu Parimal , Smita Sampath , Joseph Forbes , Ansuman Bagchi , Chih-Liang Chin , Antong Chen

In cardiac magnetic resonance imaging, fully-automatic segmentation of the heart enables precise structural and functional measurements to be taken, e.g. from short-axis MR images of the left-ventricle. In this work we propose a recurrent…

Machine Learning · Statistics 2016-08-16 Rudra P K Poudel , Pablo Lamata , Giovanni Montana

Cardiac left ventricle (LV) quantification provides a tool for diagnosing cardiac diseases. Automatic calculation of all relevant LV indices from cardiac MR images is an intricate task due to large variations among patients and deformation…

Image and Video Processing · Electrical Eng. & Systems 2020-02-04 Nils Gessert , Alexander Schlaefer

Respiratory rate (RR) is an important biomarker as RR changes can reflect severe medical events such as heart disease, lung disease, and sleep disorders. Unfortunately, standard manual RR counting is prone to human error and cannot be…

Automatic pancreas segmentation in radiology images, eg., computed tomography (CT) and magnetic resonance imaging (MRI), is frequently required by computer-aided screening, diagnosis, and quantitative assessment. Yet pancreas is a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Jinzheng Cai , Le Lu , Fuyong Xing , Lin Yang

Cardiac magnetic resonance parametric T1 maps are typically reconstructed using non-linear fitting. However this method has limitations due to the high computational cost and robustness. In this study, a recurrent neural network (RNN) is…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Nicola Martini , Alessio Vatti , Andrea Ripoli , Sara Salaris , Gianmarco Santini , Maria Filomena Santarelli , Dante Chiappino , Daniele Della Latta

Existing methods for arterial blood pressure (BP) estimation directly map the input physiological signals to output BP values without explicitly modeling the underlying temporal dependencies in BP dynamics. As a result, these models suffer…

Machine Learning · Computer Science 2018-01-16 Peng Su , Xiao-Rong Ding , Yuan-Ting Zhang , Jing Liu , Fen Miao , Ni Zhao

Computed tomography (CT) generates a stack of cross-sectional images covering a region of the body. The visual assessment of these images for the identification of potential abnormalities is a challenging and time consuming task due to the…

Machine Learning · Statistics 2016-10-03 Petros-Pavlos Ypsilantis , Giovanni Montana

Left ventricular (LV) volumes estimation is a critical procedure for cardiac disease diagnosis. The objective of this paper is to address direct LV volumes prediction task. Methods: In this paper, we propose a direct volumes prediction…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Gongning Luo , Suyu Dong , Kuanquan Wang , Wangmeng Zuo , Shaodong Cao , Henggui Zhang

Deep learning (DL) based semantic segmentation methods have been providing state-of-the-art performance in the last few years. More specifically, these techniques have been successfully applied to medical image classification, segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Md Zahangir Alom , Mahmudul Hasan , Chris Yakopcic , Tarek M. Taha , Vijayan K. Asari

Semantic segmentation using convolutional neural networks (CNNs) is the state-of-the-art for many medical segmentation tasks including left ventricle (LV) segmentation in cardiac MR images. However, a drawback is that these CNNs lack…

Image and Video Processing · Electrical Eng. & Systems 2022-08-18 Sofie Tilborghs , Tom Dresselaers , Piet Claus , Jan Bogaert , Frederik Maes

Non-invasive detection of cardiovascular disorders from radiology scans requires quantitative image analysis of the heart and its substructures. There are well-established measurements that radiologists use for diseases assessment such as…

Machine Learning · Statistics 2017-08-04 Aliasghar Mortazi , Jeremy Burt , Ulas Bagci

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…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Xiaoran Zhang , Michelle Noga , Kumaradevan Punithakumar

Real-time cardiac cine MRI does not require ECG gating in the data acquisition and is more useful for patients who can not hold their breaths or have abnormal heart rhythms. However, to achieve fast image acquisition, real-time cine…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Eric Z. Chen , Xiao Chen , Jingyuan Lyu , Yuan Zheng , Terrence Chen , Jian Xu , Shanhui Sun

Cardiac segmentation from late gadolinium enhancement MRI is an important task in clinics to identify and evaluate the infarction of myocardium. The automatic segmentation is however still challenging, due to the heterogeneous intensity…

Image and Video Processing · Electrical Eng. & Systems 2019-06-26 Qian Yue , Xinzhe Luo , Qing Ye , Lingchao Xu , Xiahai Zhuang

The caliber and configuration of retinal blood vessels serve as important biomarkers for various diseases and medical conditions. A thorough analysis of the retinal vasculature requires the segmentation of the blood vessels and their…

Image and Video Processing · Electrical Eng. & Systems 2025-03-13 José Morano , Guilherme Aresta , Hrvoje Bogunović

In this article, we propose a novel technique for classification of the Murmurs in heart sound. We introduce a novel deep neural network architecture using parallel combination of the Recurrent Neural Network (RNN) based Bidirectional Long…

Sound · Computer Science 2018-08-15 Shahnawaz Alam , Rohan Banerjee , Soma Bandyopadhyay

Cardiac left ventricle (LV) quantification is among the most clinically important tasks for identification and diagnosis of cardiac diseases, yet still a challenge due to the high variability of cardiac structure and the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2017-06-15 Wufeng Xue , Andrea Lum , Ashley Mercado , Mark Landis , James Warringto , Shuo Li

Long short-term memory (LSTM) recurrent neural networks (RNNs) have been shown to give state-of-the-art performance on many speech recognition tasks, as they are able to provide the learned dynamically changing contextual window of all…

Computation and Language · Computer Science 2016-10-12 Xiangang Li , Xihong Wu
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