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We propose a novel multi-stage trans-dimensional architecture for multi-view cardiac image segmentation. Our method exploits the relationship between long-axis (2D) and short-axis (3D) magnetic resonance (MR) images to perform a sequential…

Image and Video Processing · Electrical Eng. & Systems 2024-04-26 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh

Automatic segmentation of hepatocellular carcinoma (HCC) in Digital Subtraction Angiography (DSA) videos can assist radiologists in efficient diagnosis of HCC and accurate evaluation of tumors in clinical practice. Few studies have…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Wenting Jiang , Yicheng Jiang , Lu Zhang , Changmiao Wang , Xiaoguang Han , Shuixing Zhang , Xiang Wan , Shuguang Cui

Intravascular Ultrasound (IVUS) is an intra-operative imaging modality that facilitates observing and appraising the vessel wall structure of the human coronary arteries. Segmentation of arterial wall boundaries from the IVUS images is not…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Mehdi Faraji , Irene Cheng , Iris Naudin , Anup Basu

Assessment of cardiovascular disease (CVD) with cine magnetic resonance imaging (MRI) has been used to non-invasively evaluate detailed cardiac structure and function. Accurate segmentation of cardiac structures from cine MRI is a crucial…

Image and Video Processing · Electrical Eng. & Systems 2021-07-23 Xiaofeng Liu , Fangxu Xing , Hanna K. Gaggin , Weichung Wang , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Left ventricular ejection fraction (LVEF) assessment depends on echocardiography, limiting access in primary care and resource-constrained settings. We developed a multimodal machine-learning framework that combines engineered 12-lead ECG…

Machine Learning · Computer Science 2026-04-30 Catherine Ning , Yu Ma , Cindy Beini Wang , Sean McMahon , Joseph Radojevic , Steven Zweibel , Dimitris Bertsimas

Motivated by the emerging area of graph signal processing (GSP), we introduce a novel method to draw inference from spatiotemporal signals. Data acquisition in different locations over time is common in sensor networks, for diverse…

Signal Processing · Electrical Eng. & Systems 2020-10-28 Nafiseh Ghoroghchian , Stark C. Draper , Roman Genov

Temporal action segmentation is a topic of increasing interest, however, annotating each frame in a video is cumbersome and costly. Weakly supervised approaches therefore aim at learning temporal action segmentation from videos that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohsen Fayyaz , Juergen Gall

Hand gesture recognition using multichannel surface electromyography (sEMG) is challenging due to unstable predictions and inefficient time-varying feature enhancement. To overcome the lack of signal based time-varying feature problems, we…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Jungpil Shin , Abu Saleh Musa Miah , Sota Konnai , Shu Hoshitaka , Pankoo Kim

Echocardiography is widely used for assessing cardiac function, where clinically meaningful parameters such as left-ventricular ejection fraction (EF) play a central role in diagnosis and management. Generative models capable of…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Emmanuel Oladokun , Sarina Thomas , Jurica Šprem , Vicente Grau

Video semantic segmentation (VSS) plays a vital role in understanding the temporal evolution of scenes. Traditional methods often segment videos frame-by-frame or in a short temporal window, leading to limited temporal context, redundant…

Image and Video Processing · Electrical Eng. & Systems 2025-03-28 Syed Ariff Syed Hesham , Yun Liu , Guolei Sun , Henghui Ding , Jing Yang , Ender Konukoglu , Xue Geng , Xudong Jiang

With ever increasing computing power and data storage capacity, the potential for large digital video libraries is growing rapidly.However, the massive use of video for the moment is limited by its opaque characteristics. Indeed, a user who…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Walid Mahdi , Liming Chen , Mohsen Ardebilian

Understanding the content of videos is one of the core techniques for developing various helpful applications in the real world, such as recognizing various human actions for surveillance systems or customer behavior analysis in an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Chiwan Song , Woobin Im , Sung-eui Yoon

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…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Sanguk Park , Minyoung Chung

Purpose: Ureteroscopy is an efficient endoscopic minimally invasive technique for the diagnosis and treatment of upper tract urothelial carcinoma (UTUC). During ureteroscopy, the automatic segmentation of the hollow lumen is of primary…

Image and Video Processing · Electrical Eng. & Systems 2021-04-06 Jorge F. Lazo , Aldo Marzullo , Sara Moccia , Michele Catellani , Benoit Rosa , Michel de Mathelin , Elena De Momi

In this work, we aim for temporally consistent semantic segmentation throughout frames in a video. Many semantic segmentation algorithms process images individually which leads to an inconsistent scene interpretation due to illumination…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Manuel Rebol , Patrick Knöbelreiter

Quantitative assessment of left ventricle (LV) function from cine MRI has significant diagnostic and prognostic value for cardiovascular disease patients. The temporal movement of LV provides essential information on the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Wenjun Yan , Yuanyuan Wang , Zeju Li , Rob J. van der Geest , Qian Tao

Myocardial Contrast Echocardiography (MCE) with micro-bubble contrast agent enables myocardial perfusion quantification which is invaluable for the early detection of coronary artery diseases. In this paper, we proposed a new segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Yuanwei Li , Chin Pang Ho , Navtej Chahal , Roxy Senior , Meng-Xing Tang

The accurate segmentation of guidewires in interventional cardiac fluoroscopy videos is crucial for computer-aided navigation tasks. Although deep learning methods have demonstrated high accuracy and robustness in wire segmentation, they…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Shaoyan Pan , Yikang Liu , Lin Zhao , Eric Z. Chen , Xiao Chen , Terrence Chen , Shanhui Sun

Electrical conduction among cardiac tissue is commonly modeled with partial differential equations, i.e., reaction-diffusion equation, where the reaction term describes cellular stimulation and diffusion term describes electrical…

Machine Learning · Computer Science 2021-09-21 Xinyu Zhao , Hao Yan , Zhiyong Hu , Dongping Du

Semantic segmentation of Very High Resolution (VHR) remote sensing images is a fundamental task for many applications. However, large variations in the scales of objects in those VHR images pose a challenge for performing accurate semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Yuanzhi Cai , Lei Fan , Yuan Fang
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