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Coronary angiography is an indispensable assistive technique for cardiac interventional surgery. Segmentation and extraction of blood vessels from coronary angiography videos are very essential prerequisites for physicians to locate, assess…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Lu Wang , Dong-xue Liang , Xiao-lei Yin , Jing Qiu , Zhi-yun Yang , Jun-hui Xing , Jian-zeng Dong , Zhao-yuan Ma

The evaluation of obstructions (stenosis) in coronary arteries is currently done by a physician's visual assessment of coronary angiography video sequences. It is laborious, and can be susceptible to interobserver variation. Prior studies…

Image and Video Processing · Electrical Eng. & Systems 2021-02-01 Chengyang Zhou , Thao Vy Dinh , Heyi Kong , Jonathan Yap , Khung Keong Yeo , Hwee Kuan Lee , Kaicheng Liang

Dynamic reconstructions (3D+T) of coronary arteries could give important perfusion details to clinicians. Temporal matching of the different views, which may not be acquired simultaneously, is a prerequisite for an accurate stereo-matching…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Raphaël Royer-Rivard , Fantin Girard , Nagib Dahdah , Farida Cheriet

Coronary angiography is the reference standard for evaluating coronary artery disease, yet visual interpretation remains variable between readers. Existing artificial intelligence methods typically analyze single frames or projections and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Sarra Harrabi , Yichen Wu , Geoffrey H. Tison , Minhaj Ansari , Milos Vukadinovic , David Ouyang , Joshua P. Barrios , Jacques Delfrate , Robert Avram

An ever increasing amount of our digital communication, media consumption, and content creation revolves around videos. We share, watch, and archive many aspects of our lives through them, all of which are powered by strong video…

Computer Vision and Pattern Recognition · Computer Science 2018-04-20 Chao-Yuan Wu , Nayan Singhal , Philipp Krähenbühl

Deep Neural Networks are increasingly used in video frame interpolation tasks such as frame rate changes as well as generating fake face videos. Our project aims to apply recent advances in Deep video interpolation to increase the temporal…

Image and Video Processing · Electrical Eng. & Systems 2020-05-15 Rohit Saha , Abenezer Teklemariam , Ian Hsu , Alan M. Moses

Color Doppler echocardiography enables visualization of blood flow within the heart. However, the limited frame rate impedes the quantitative assessment of blood velocity throughout the cardiac cycle, thereby compromising a comprehensive…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Julia Puig , Denis Friboulet , Hang Jung Ling , François Varray , Jonathan Porée , Jean Provost , Damien Garcia , Fabien Millioz

Coronary angiography is considered to be a safe tool for the evaluation of coronary artery disease and perform in approximately 12 million patients each year worldwide. [1] In most cases, angiograms are manually analyzed by a cardiologist.…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Stanislav Filippov , Arsenii Moiseev , Andronenko Andrey

Cine cardiac magnetic resonance imaging (MRI) is widely used for diagnosis of cardiac diseases thanks to its ability to present cardiovascular features in excellent contrast. As compared to computed tomography (CT), MRI, however, requires a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Qing Lyu , Hongming Shan , Yibin Xie , Debiao Li , Ge Wang

Video interpolation is an important problem in computer vision, which helps overcome the temporal limitation of camera sensors. Existing video interpolation methods usually assume uniform motion between consecutive frames and use linear…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Xiangyu Xu , Li Siyao , Wenxiu Sun , Qian Yin , Ming-Hsuan Yang

Although high resolution isotropic 3D medical images are desired in clinical practice, their acquisition is not always feasible. Instead, lower resolution images are upsampled to higher resolution using conventional interpolation methods.…

Image and Video Processing · Electrical Eng. & Systems 2020-10-27 Jörg Sander , Bob D. de Vos , Ivana Išgum

In the era of digital medicine, medical imaging serves as a widespread technique for early disease detection, with a substantial volume of images being generated and stored daily in electronic patient records. X-ray angiography imaging is a…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Hadis Keshavarz , Hossein Sadr

This work presents a supervised learning based approach to the computer vision problem of frame interpolation. The presented technique could also be used in the cartoon animations since drawing each individual frame consumes a noticeable…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Vladislav Samsonov

Natural videos captured by consumer cameras often suffer from low framerate and motion blur due to the combination of dynamic scene complexity, lens and sensor imperfection, and less than ideal exposure setting. As a result, computational…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wei Shang , Dongwei Ren , Yi Yang , Hongzhi Zhang , Kede Ma , Wangmeng Zuo

Coronary angiography is the gold standard imaging technique for studying and diagnosing coronary artery disease. However, the resulting 2D X-ray projections lose 3D information and exhibit visual ambiguities. In this work, we aim to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Yifan Wu , Rohit Jena , Mehmet Gulsun , Vivek Singh , Puneet Sharma , James C. Gee

The versatility of recent machine learning approaches makes them ideal for improvement of next generation video compression solutions. Unfortunately, these approaches typically bring significant increases in computational complexity and are…

Image and Video Processing · Electrical Eng. & Systems 2021-06-18 Luka Murn , Saverio Blasi , Alan F. Smeaton , Marta Mrak

In this study, hypertension is utilized as an indicator of individual vascular damage. This damage can be identified through machine learning techniques, providing an early risk marker for potential major cardiovascular events and offering…

Measurement of the cardiac pulse from facial video has become an interesting pursuit of research over the last few years. This is mainly due to the increasing importance of obtaining the heart rate of an individual in a non-invasive manner,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Bharath Ramakrishnan , Ruijia Deng

Cerebral X-ray digital subtraction angiography (DSA) is the standard imaging technique for visualizing blood flow and guiding endovascular treatments. The quality of DSA is often negatively impacted by body motion during acquisition,…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Ruisheng Su , Matthijs van der Sluijs , Sandra Cornelissen , Wim van Zwam , Aad van der Lugt , Wiro Niessen , Danny Ruijters , Theo van Walsum , Adrian Dalca

Digital subtraction angiography (DSA) in coronary imaging is fundamentally challenged by physiological motion, forcing reliance on raw angiograms cluttered with anatomical noise. Existing deep learning methods often produced images with two…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Si Li , Chen-Kai Hu , Zhenhuan Lyu , Yuanqing He
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