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Related papers: Point Transformer For Coronary Artery Labeling

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Percutaneous Coronary Intervention (PCI) is a minimally invasive procedure that improves coronary blood flow and treats coronary artery disease. Although PCI typically requires 2D X-ray angiography (XRA) to guide catheter placement at…

Image and Video Processing · Electrical Eng. & Systems 2025-06-02 Peng Qi , Wenxi Qu , Tianliang Yao , Haonan Ma , Dylan Wintle , Yinyi Lai , Giorgos Papanastasiou , Chengjia Wang

This study is to demonstrate deep learning for automated artery-vein (AV) classification in optical coherence tomography angiography (OCTA). The AV-Net, a fully convolutional network (FCN) based on modified U-shaped CNN architecture,…

Image and Video Processing · Electrical Eng. & Systems 2020-06-09 Minhaj Alam , David Le , Taeyoon Son , Jennifer I. Lim , Xincheng Yao

A method was proposed for the point cloud-based registration and image fusion between cardiac single photon emission computed tomography (SPECT) myocardial perfusion images (MPI) and cardiac computed tomography angiograms (CTA). Firstly,…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Shaojie Tang , Penpen Miao , Xingyu Gao , Yu Zhong , Dantong Zhu , Haixing Wen , Zhihui Xu , Qiuyue Wei , Hongping Yao , Xin Huang , Rui Gao , Chen Zhao , Weihua Zhou

The segmentation of coronary arteries by convolutional neural network is promising yet requires a large amount of labor-intensive manual annotations. Transferring knowledge from retinal vessels in widely-available public labeled fundus…

Image and Video Processing · Electrical Eng. & Systems 2021-05-07 Jingyang Zhang , Ran Gu , Guotai Wang , Hongzhi Xie , Lixu Gu

Medical image segmentation often requires segmenting multiple elliptical objects on a single image. This includes, among other tasks, segmenting vessels such as the aorta in axial CTA slices. In this paper, we present a general approach to…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Marin Benčević , Marija Habijan , Irena Galić , Danilo Babin

Segmentation of blood vessels in murine cerebral 3D OCTA images is foundational for in vivo quantitative analysis of the effects of neurovascular disorders, such as stroke or Alzheimer's, on the vascular network. However, to accurately…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Bastian Wittmann , Lukas Glandorf , Johannes C. Paetzold , Tamaz Amiranashvili , Thomas Wälchli , Daniel Razansky , Bjoern Menze

In patients with obstructive coronary artery disease, the functional significance of a coronary artery stenosis needs to be determined to guide treatment. This is typically established through fractional flow reserve (FFR) measurement,…

Image and Video Processing · Electrical Eng. & Systems 2019-11-12 Majd Zreik , Robbert W. van Hamersvelt , Nadieh Khalili , Jelmer M. Wolterink , Michiel Voskuil , Max A. Viergever , Tim Leiner , Ivana Išgum

With the increasing number of CT scan examinations, there is a need for automated methods such as organ segmentation, anomaly detection and report generation to assist radiologists in managing their increasing workload. Multi-label…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Theo Di Piazza , Carole Lazarus , Olivier Nempont , Loic Boussel

General point clouds have been increasingly investigated for different tasks, and recently Transformer-based networks are proposed for point cloud analysis. However, there are barely related works for medical point clouds, which are…

Image and Video Processing · Electrical Eng. & Systems 2021-12-20 Jianhui Yu , Chaoyi Zhang , Heng Wang , Dingxin Zhang , Yang Song , Tiange Xiang , Dongnan Liu , Weidong Cai

Transformer plays an increasingly important role in various computer vision areas and remarkable achievements have also been made in point cloud analysis. Since they mainly focus on point-wise transformer, an adaptive channel encoding…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Guoquan Xu , Hezhi Cao , Yifan Zhang , Yanxin Ma , Jianwei Wan , Ke Xu

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

Optical coherence tomography angiography (OCTA) is a non-invasive imaging modality that can acquire high-resolution volumes of the retinal vasculature and aid the diagnosis of ocular, neurological and cardiac diseases. Segmenting the…

While drastic improvements in CT technology have occurred in the past 25 years, spatial resolution is one area where progress has been limited until recently. New photon counting CT systems, are capable of much better spatial resolution…

Automatic detection and classification of Cardiovascular disease (CVD) from Computed Tomography (CT) images play an important part in facilitating better-informed clinical decisions. However, most of the recent deep learning based methods…

Image and Video Processing · Electrical Eng. & Systems 2026-05-07 Ajay Mittal , Raghav Mehta , Omar Todd , Philipp Seeböck , Georg Langs , Ben Glocker

Purpose: Interpreting chest radiographs (CXR) remains challenging due to the ambiguity of overlapping structures such as the lungs, heart, and bones. To address this issue, we propose a novel method for extracting fine-grained anatomical…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Constantin Seibold , Alexander Jaus , Matthias A. Fink , Moon Kim , Simon Reiß , Ken Herrmann , Jens Kleesiek , Rainer Stiefelhagen

Optical Coherence Tomography Angiography (OCTA) has been increasingly used in the management of eye and systemic diseases in recent years. Manual or automatic analysis of blood vessel in 2D OCTA images (en face angiograms) is commonly used…

Image and Video Processing · Electrical Eng. & Systems 2021-03-01 Shuai Yu , Jianyang Xie , Jinkui Hao , Yalin Zheng , Jiong Zhang , Yan Hu , Jiang Liu , Yitian Zhao

During the diagnosis of ischemic strokes, the Circle of Willis and its surrounding vessels are the arteries of interest. Their visualization in case of an acute stroke is often enabled by Computed Tomography Angiography (CTA). Still, the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-27 Florian Thamm , Markus Jürgens , Oliver Taubmann , Aleksandra Thamm , Leonhard Rist , Hendrik Ditt , Andreas Maier

Intracranial arteries are critical blood vessels that supply the brain with oxygenated blood. Intracranial artery labels provide valuable guidance and navigation to numerous clinical applications and disease diagnoses. Various machine…

Image and Video Processing · Electrical Eng. & Systems 2022-11-02 Yaxin Zhu , Peisheng Qian , Ziyuan Zhao , Zeng Zeng

The analysis of plaque deposits in the coronary vasculature is an important topic in current clinical research. From a technical side mostly new algorithms for different sub tasks - e.g. centerline extraction or vessel/plaque segmentation -…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Felix Denzinger , Michael Wels , Christian Hopfgartner , Jing Lu , Max Schöbinger , Andreas Maier , Michael Sühling

Despite significant advances in artificial intelligence (AI) for computer vision, its application in medical imaging has been limited by the burden and limits of expert-generated labels. We used images from optical coherence tomography…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Cecilia S. Lee , Ariel J. Tyring , Yue Wu , Sa Xiao , Ariel S. Rokem , Nicolaas P. Deruyter , Qinqin Zhang , Adnan Tufail , Ruikang K. Wang , Aaron Y. Lee