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Computational fluid dynamics (CFD) based simulation of coronary blood flow provides valuable hemodynamic markers, such as pressure gradients, for diagnosing coronary artery disease (CAD). However, CFD is computationally expensive,…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Rene Lisasi , Michele Esposito , Chen Zhao

In this paper, we propose a framework that incorporates experts diagnostics and insights into the analysis of Optical Coherence Tomography (OCT) using multi-modal learning. To demonstrate the effectiveness of this approach, we create a…

图像与视频处理 · 电气工程与系统科学 2022-03-22 Y. Logan , K. Kokilepersaud , G. Kwon , G. AlRegib , C. Wykoff , H. Yu

Retinal Optical Coherence Tomography Angiography (OCTA) with high-resolution is important for the quantification and analysis of retinal vasculature. However, the resolution of OCTA images is inversely proportional to the field of view at…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Huaying Hao , Cong Xu , Dan Zhang , Qifeng Yan , Jiong Zhang , Yue Liu , Yitian Zhao

Optical coherence tomography (OCT) uses low-coherence reflectometry to obtain cross-sectional images of inhomogeneous media, such as biological tissue. OCT is particularly useful in the biomedical ea, since the imaging can be performed…

医学物理 · 物理学 2018-03-01 Takahisa Mitsui , Kenichiro Aoki

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…

Functionally significant coronary artery disease (CAD) is caused by plaque buildup in the coronary arteries, potentially leading to narrowing of the arterial lumen, i.e. coronary stenosis, that significantly obstructs blood flow to the…

图像与视频处理 · 电气工程与系统科学 2023-08-10 Nils Hampe , Sanne G. M. van Velzen , Jean-Paul Aben , Carlos Collet , Ivana Išgum

In patients with coronary artery stenoses of intermediate severity, the functional significance needs to be determined. Fractional flow reserve (FFR) measurement, performed during invasive coronary angiography (ICA), is most often used in…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Majd Zreik , Nikolas Lessmann , Robbert W. van Hamersvelt , Jelmer M. Wolterink , Michiel Voskuil , Max A. Viergever , Tim Leiner , Ivana Išgum

The aortic vessel tree is composed of the aorta and its branching arteries, and plays a key role in supplying the whole body with blood. Aortic diseases, like aneurysms or dissections, can lead to an aortic rupture, whose treatment with…

图像与视频处理 · 电气工程与系统科学 2023-04-04 Yuan Jin , Antonio Pepe , Jianning Li , Christina Gsaxner , Fen-hua Zhao , Kelsey L. Pomykala , Jens Kleesiek , Alejandro F. Frangi , Jan Egger

Optical coherence tomography (OCT) is capable of non-destructively obtaining cross-sectional information of samples with micrometer spatial resolution, which plays an important role in ophthalmology and endovascular medicine. Measuring OCT…

医学物理 · 物理学 2023-11-30 Yang Jianlong , Zhang Haoran , Liu Chang , Gu Chengfu

This project considers how one might augment a limited amount of data from randomized controlled trial (RCT) with more plentiful data from an observational database (ODB), in order to estimate a causal effect. In our motivating setting, the…

统计方法学 · 统计学 2018-10-23 Evan Rosenman , Art B. Owen , Michael Baiocchi , Hailey Banack

Optical coherence tomography angiography (OCTA) requires high transverse sampling density for visualizing retinal and choroidal capillaries. Low transverse sampling causes resolution degradation, such as the angiograms in wide-field OCTA.…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Ting Zhou , Kang Zhou , Jianlong Yang , Liyang Fang , Yan Hu , Yitian Zhao , Jun Cheng , Xiangping Chen , Shenghua Gao , Jiang Liu

Objective: Optical coherence tomography (OCT) and its angiography (OCTA) have several advantages for the early detection and diagnosis of diabetic retinopathy (DR). However, automated, complete DR classification frameworks based on both OCT…

图像与视频处理 · 电气工程与系统科学 2020-09-28 Pengxiao Zang , Liqin Gao , Tristan T. Hormel , Jie Wang , Qisheng You , Thomas S. Hwang , Yali Jia

Purpose: Middle ear infection is the most prevalent inflammatory disease, especially among the pediatric population. Current diagnostic methods are subjective and depend on visual cues from an otoscope, which is limited for otologists to…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Peng Liu , Jonas Golde , Joseph Morgenstern , Sebastian Bodenstedt , Chenpan Li , Yujia Hu , Zhaoyu Chen , Edmund Koch , Marcus Neudert , Stefanie Speidel

In current clinical practice, noisy and artifact-ridden weekly cone-beam computed tomography (CBCT) images are only used for patient setup during radiotherapy. Treatment planning is done once at the beginning of the treatment using…

图像与视频处理 · 电气工程与系统科学 2022-01-02 Navdeep Dahiya , Sadegh R Alam , Pengpeng Zhang , Si-Yuan Zhang , Anthony Yezzi , Saad Nadeem

Optical Coherence Tomography is a technique used to scan the Retina of the eye and check for tears. In this paper, we develop a Convolutional Neural Network Architecture for OCT scan classification. The model is trained to detect Retinal…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Adit Magotra , Aagat Gedam , Tanush Savadi , Emily Li

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…

图像与视频处理 · 电气工程与系统科学 2025-06-02 Peng Qi , Wenxi Qu , Tianliang Yao , Haonan Ma , Dylan Wintle , Yinyi Lai , Giorgos Papanastasiou , Chengjia Wang

Type-B Aortic Dissection (TBAD) is one of the most serious cardiovascular events characterized by a growing yearly incidence,and the severity of disease prognosis. Currently, computed tomography angiography (CTA) has been widely adopted for…

图像与视频处理 · 电气工程与系统科学 2021-09-02 Zeyang Yao , Jiawei Zhang , Hailong Qiu , Tianchen Wang , Yiyu Shi , Jian Zhuang , Yuhao Dong , Meiping Huang , Xiaowei Xu

For a unified analysis of medical images from different modalities, data harmonization using image-to-image (I2I) translation is desired. We study this problem employing an optical coherence tomography (OCT) data set of Spectralis-OCT and…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Marc S. Seibel , Hristina Uzunova , Timo Kepp , Heinz Handels

Abdominal aortic aneurysm (AAA) is a vascular disease in which a section of the aorta enlarges, weakening its walls and potentially rupturing the vessel. Abdominal ultrasound has been utilized for diagnostics, but due to its limited image…

图像与视频处理 · 电气工程与系统科学 2022-08-12 Yordanka Velikova , Walter Simson , Mehrdad Salehi , Mohammad Farid Azampour , Philipp Paprottka , Nassir Navab

Fast and accurate anatomical landmark detection can benefit many medical image analysis methods. Here, we propose a method to automatically detect anatomical landmarks in medical images. Automatic landmark detection is performed with a…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Tim Leiner , Ivana Išgum