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Optical Coherence Tomography Angiography (OCTA) is a non-invasive and non-contacting imaging technique providing visualization of microvasculature of retina and optic nerve head in human eyes in vivo. The adequate image quality of OCTA is…

Image and Video Processing · Electrical Eng. & Systems 2021-07-23 Yufei Wang , Yiqing Shen , Meng Yuan , Jing Xu , Bin Yang , Chi Liu , Wenjia Cai , Weijing Cheng , Wei Wang

Optical coherence tomography angiography (OCTA) is a non-invasive imaging modality that extends the functionality of OCT by extracting moving red blood cell signals from surrounding static biological tissues. OCTA has emerged as a valuable…

Image and Video Processing · Electrical Eng. & Systems 2023-05-04 Jinpeng Liao , Tianyu Zhang , Yilong Zhang , Chunhui Li , Zhihong Huang

Optical coherence tomography angiography (OCTA) is a noninvasive imaging technique that can reveal high-resolution retinal vessels. In this work, we propose an accurate and efficient neural network for retinal vessel segmentation in OCTA…

Image and Video Processing · Electrical Eng. & Systems 2023-09-19 Haojian Ning , Chengliang Wang , Xinrun Chen , Shiying Li

Optical coherence tomography angiography (OCTA) is an imaging technique that allows for non-invasive investigation of the microvasculature in the retina. OCTA uses laser light reflectance to measure moving blood cells. Hereby, it visualizes…

Tissues and Organs · Quantitative Biology 2020-02-11 Astrid M. E. Engberg , Vedrana A. Dahl , Anders B. Dahl

Automatic quantification of perifoveal vessel densities in optical coherence tomography angiography (OCT-A) images face challenges such as variable intra- and inter-image signal to noise ratios, projection artefacts from outer vasculature…

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

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging modality for the visualisation of microvasculature in vivo that has encountered broad adoption in retinal research. OCTA potential in the assessment of…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Ylenia Giarratano , Eleonora Bianchi , Calum Gray , Andrew Morris , Tom MacGillivray , Baljean Dhillon , Miguel O. Bernabeu

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

Optical coherence tomography angiography (OCTA) is a non-invasive imaging technique widely used to study vascular structures and micro-circulation dynamics in the retina and choroid. OCTA has been widely used in clinics for diagnosing…

Image and Video Processing · Electrical Eng. & Systems 2025-08-26 Kejie Chen , Guanbing Gao , Xiaochun Yang , Wenbo Wang , Jing Na

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…

Optical coherence tomography angiography (OCTA) can non-invasively image the eye's circulatory system. In order to reliably characterize the retinal vasculature, there is a need to automatically extract quantitative metrics from these…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Martin J. Menten , Johannes C. Paetzold , Alina Dima , Bjoern H. Menze , Benjamin Knier , Daniel Rueckert

Eye diseases are common in older Americans and can lead to decreased vision and blindness. Recent advancements in imaging technologies allow clinicians to capture high-quality images of the retinal blood vessels via Optical Coherence…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jacob Thrasher , Annahita Amireskandari , Prashnna Gyawali

Purpose: We proposed a deep convolutional neural network (CNN), named Retinal Fluid Segmentation Network (ReF-Net) to segment volumetric retinal fluid on optical coherence tomography (OCT) volume. Methods: 3 x 3-mm OCT scans were acquired…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Yukun Guo , Tristan T. Hormel , Honglian Xiong , Jie Wang , Thomas S. Hwang , Yali Jia

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…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Margalit G. Mitzner , Moinak Bhattacharya , Zhilin Zou , Chao Chen , Prateek Prasanna

Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that provides high-resolution cross-sectional images of the retina, which are useful for diagnosing and monitoring various retinal diseases. However, manual…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Can Koz , Onat Dalmaz , Mertay Dayanc

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.…

Image and Video Processing · Electrical Eng. & Systems 2020-01-09 Ting Zhou , Kang Zhou , Jianlong Yang , Liyang Fang , Yan Hu , Yitian Zhao , Jun Cheng , Xiangping Chen , Shenghua Gao , Jiang Liu

Optical Coherence Tomography Angiography (OCTA) and its derived en-face projections provide high-resolution visualization of the retinal and choroidal vasculature, which is critical for the rapid and accurate diagnosis of retinal diseases.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Pooya Khosravi , Kun Han , Anthony T. Wu , Arghavan Rezvani , Zexin Feng , Xiaohui Xie

Optical coherence tomography (OCT) is a non-invasive imaging technique widely used for ophthalmology. It can be extended to OCT angiography (OCT-A), which reveals the retinal vasculature with improved contrast. Recent deep learning…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Dewei Hu , Can Cui , Hao Li , Kathleen E. Larson , Yuankai K. Tao , Ipek Oguz

Optical coherence tomography angiography (OCTA) is a novel imaging modality that has been widely utilized in ophthalmology and neuroscience studies to observe retinal vessels and microvascular systems. However, publicly available OCTA…

Image and Video Processing · Electrical Eng. & Systems 2022-12-27 Mingchao Li , Kun Huang , Qiuzhuo Xu , Jiadong Yang , Yuhan Zhang , Zexuan Ji , Keren Xie , Songtao Yuan , Qinghuai Liu , Qiang Chen

The treatment of age-related macular degeneration (AMD) requires continuous eye exams using optical coherence tomography (OCT). The need for treatment is determined by the presence or change of disease-specific OCT-based biomarkers.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Timo Kepp , Helge Sudkamp , Claus von der Burchard , Hendrik Schenke , Peter Koch , Gereon Hüttmann , Johann Roider , Mattias P. Heinrich , Heinz Handels
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