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The choroid is a key vascular layer of the eye, supplying oxygen to the retinal photoreceptors. Non-invasive enhanced depth imaging optical coherence tomography (EDI-OCT) has recently improved access and visualisation of the choroid, making…

We present DeepVesselNet, an architecture tailored to the challenges faced when extracting vessel networks or trees and corresponding features in 3-D angiographic volumes using deep learning. We discuss the problems of low execution speed…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Giles Tetteh , Velizar Efremov , Nils D. Forkert , Matthias Schneider , Jan Kirschke , Bruno Weber , Claus Zimmer , Marie Piraud , Bjoern H. Menze

Optical coherence tomography (OCT) is a non-invasive, micrometer-scale imaging modality that has become a clinical standard in ophthalmology. By raster-scanning the retina, sequential cross-sectional image slices are acquired to generate…

图像与视频处理 · 电气工程与系统科学 2024-02-20 Stefan Ploner , Jungeun Won , Julia Schottenhamml , Jessica Girgis , Kenneth Lam , Nadia Waheed , James Fujimoto , Andreas Maier

Age-related macular degeneration (AMD) is characterized by early micro-vascular alterations that can be captured non-invasively using optical coherence tomography angiography (OCTA), yet most deep learning (DL) models rely on global…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Margalit G. Mitzner , Moinak Bhattacharya , Zhilin Zou , Chao Chen , Prateek Prasanna

Early detection of coronary artery disease (CAD) is critical for reducing mortality and improving patient treatment planning. While angiographic image analysis from X-rays is a common and cost-effective method for identifying cardiac…

Background: Coronary angiography (CAG) is a cornerstone imaging modality for assessing coronary artery disease and guiding interventional treatment decisions. However, in real-world clinical settings, angiographic images are often…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Jingsong Xia , Siqi Wang

We present a Machine Learning-based method for tomographic reconstruction of dense layered objects, with range of projection angles limited to $\pm $10$^\circ$. Whereas previous approaches to phase tomography generally require two steps,…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Alexandre Goy , Girish Rughoobur , Shuai Li , Kwabena Arthur , Akintunde I. Akinwande , George Barbastathis

Optical Coherence Tomography (OCT) is pervasive in both the research and clinical practice of Ophthalmology. However, OCT images are strongly corrupted by noise, limiting their interpretation. Current OCT denoisers leverage assumptions on…

图像与视频处理 · 电气工程与系统科学 2020-08-19 Guillaume Gisbert , Neel Dey , Hiroshi Ishikawa , Joel Schuman , James Fishbaugh , Guido Gerig

Reconstructing magnetic resonance (MR) images from undersampled data is a challenging problem due to various artifacts introduced by the under-sampling operation. Recent deep learning-based methods for MR image reconstruction usually…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Pengfei Guo , Jeya Maria Jose Valanarasu , Puyang Wang , Jinyuan Zhou , Shanshan Jiang , Vishal M. Patel

Diabetic Retinopathy (DR), an ocular complication of diabetes, is a leading cause of blindness worldwide. Traditionally, DR is monitored using Color Fundus Photography (CFP), a widespread 2-D imaging modality. However, DR classifications…

Synchrotron radiation sources are widely used in various fields, among which computed tomography (CT) is one of the most important. The amount of effort expended by the operator varies depending on the subject. If the number of angles…

图像与视频处理 · 电气工程与系统科学 2021-09-08 Ling Li , Yu Hu

In OCT angiography (OCTA), decorrelation computation has been widely used as a local motion index to identify dynamic flow from static tissues, but its dependence on SNR severely degrades the vascular visibility, particularly in low- SNR…

医学物理 · 物理学 2019-04-16 Luzhe Huang , Yiming Fu , Ruixiang Chen , Shanshan Yang , Haixia Qiu , Xining Wu , Shiyong Zhao , Ying Gu , Peng Li

The reconstruction of electrical current densities from magnetic field measurements is an important technique with applications in materials science, circuit design, quality control, plasma physics, and biology. Analytic reconstruction…

Three-dimensional (3D) semi-quantitative grading of pathological features in articular cartilage (AC) offers significant improvements in basic research of osteoarthritis (OA). We have earlier developed the 3D protocol for imaging of AC and…

图像与视频处理 · 电气工程与系统科学 2019-07-12 Aleksei Tiulpin , Mikko Finnilä , Petri Lehenkari , Heikki J. Nieminen , Simo Saarakkala

Optical coherence tomography (OCT) image analysis plays an important role in the field of ophthalmology. Current successful analysis models rely on available large datasets, which can be challenging to be obtained for certain tasks. The use…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Kun Huang , Xiao Ma , Yuhan Zhang , Na Su , Songtao Yuan , Yong Liu , Qiang Chen , Huazhu Fu

Optical coherence tomography angiography (OCTA) is a novel noninvasive imaging modality for visualization of retinal blood flow in the human retina. Using specific OCTA imaging biomarkers for the identification of pathologies, automated…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Anna Breger , Felix Goldbach , Bianca S. Gerendas , Ursula Schmidt-Erfurth , Martin Ehler

Breast CT provides image volumes with isotropic resolution in high contrast, enabling detection of small calcification (down to a few hundred microns in size) and subtle density differences. Since breast is sensitive to x-ray radiation,…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Huidong Xie , Hongming Shan , Wenxiang Cong , Chi Liu , Xiaohua Zhang , Shaohua Liu , Ruola Ning , Ge Wang

Relatively abundant availability of medical imaging data has provided significant support in the development and testing of Neural Network based image processing methods. Clinicians often face issues in selecting suitable image processing…

图像与视频处理 · 电气工程与系统科学 2021-09-10 Mayank Goswami

The ever-growing deep learning technologies are making revolutionary changes for modern life. However, conventional computing architectures are designed to process sequential and digital programs, being extremely burdened with performing…

新兴技术 · 计算机科学 2022-12-21 Yuyao Huang , Tingzhao Fu , Honghao Huang , Sigang Yang , Hongwei Chen

Background: Computed Tomography Angiography (CTA) is crucial for cerebrovascular disease diagnosis. Dynamic CTA is a type of imaging that captures temporal information about the We aim to develop and evaluate two segmentation techniques to…

医学物理 · 物理学 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin