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Many eye diseases like Diabetic Macular Edema (DME), Age-related Macular Degeneration (AMD), and Glaucoma manifest in the retina, can cause irreversible blindness or severely impair the central version. The Optical Coherence Tomography…

Image and Video Processing · Electrical Eng. & Systems 2023-03-10 Nchongmaje Ndipenoch , Alina Miron , Zidong Wang , Yongmin Li

Precision in identifying and differentiating micro and macro blood vessels in the retina is crucial for the diagnosis of retinal diseases, although it poses a significant challenge. Current autoencoding-based segmentation approaches…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Rui Yang , Shunpu Zhang

The accurate segmentation of Coronary Computed Tomography Angiography (CCTA) images holds substantial clinical value for the early detection and treatment of Coronary Heart Disease (CHD). The Transformer, utilizing a self-attention…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Chenchu Xu , Meng Li , Xue Wu

Purpose: Automatic and accurate segmentation of fundus vessel images has become an essential prerequisite for computer-aided diagnosis of ophthalmic diseases such as diabetes mellitus. The task of high-precision retinal vessel segmentation…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Xiang Li , Mingsi Liu , Lixin Duan

Cerebrovascular disease is one of the major diseases facing the world today. Automatic segmentation of intracranial artery (IA) in digital subtraction angiography (DSA) sequences is an important step in the diagnosis of vascular related…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Lemeng Wang , Wentao Liu , Weijin Xu , Haoyuan Li , Huihua Yang , Feng Gao

Existing methods to reconstruct vascular structures from a computed tomography (CT) angiogram rely on injection of intravenous contrast to enhance the radio-density within the vessel lumen. However, pathological changes can be present in…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

Deep convolutional neural networks (CNNs) have demonstrated impressive performance on many visual tasks. Recently, they became useful models for the visual system in neuroscience. However, it is still not clear what are learned by CNNs in…

Neurons and Cognition · Quantitative Biology 2020-02-19 Qi Yan , Yajing Zheng , Shanshan Jia , Yichen Zhang , Zhaofei Yu , Feng Chen , Yonghong Tian , Tiejun Huang , Jian K. Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Alvee Hassan , Rusab Sarmun , Muhammad E. H. Chowdhury , M Murugappan , Abdulrahman Alqahtani , Balamurugan Balusamy , Sohaib Bassam Zoghoul

Purpose: This study explores the feasibility of using generative machine learning (ML) to translate Optical Coherence Tomography (OCT) images into Optical Coherence Tomography Angiography (OCTA) images, potentially bypassing the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Rashadul Hasan Badhon , Atalie Carina Thompson , Jennifer I. Lim , Theodore Leng , Minhaj Nur Alam

In this study, a supervised retina blood vessel segmentation process was performed on the green channel of the RGB image using artificial neural network (ANN). The green channel is preferred because the retinal vessel structures can be…

Image and Video Processing · Electrical Eng. & Systems 2020-01-17 Esra Kaya , İsmail Sarıtaş , Ilker Ali Ozkan

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…

Medical Physics · Physics 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin

Enlarged perivascular spaces (PVS) are increasingly recognized as biomarkers of cerebral small vessel disease, Alzheimer's disease, stroke, and aging-related neurodegeneration. However, manual segmentation of PVS is time-consuming and…

Optical Coherence Tomography (OCT) provides valuable insights in ophthalmology, cardiology, and neurology due to high-resolution, cross-sectional images of the retina. One critical task for ophthalmologists using OCT is delineation of…

Image and Video Processing · Electrical Eng. & Systems 2025-05-21 Samuel T. M. Ball

Cases of diabetes and related diabetic retinopathy (DR) have been increasing at an alarming rate in modern times. Early detection of DR is an important problem since it may cause permanent blindness in the late stages. In the last two…

Image and Video Processing · Electrical Eng. & Systems 2021-05-31 Burcu Oltu , Büşra Kübra Karaca , Hamit Erdem , Atilla Özgür

Convolutional neural networks (CNNs) are extensively beneficial for medical image processing. Medical images are plentiful, but there is a lack of annotated data. Transfer learning is used to solve the problem of lack of labeled data and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Sajjad Abbasi , Mohsen Hajabdollahi , Nader Karimi , Shadrokh Samavi , Shahram Shirani

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

Retinal vessel segmentation is crucial for intelligent ophthalmic diagnosis, yet it faces three major challenges: insufficient multi-scale feature fusion, disruption of contextual continuity, and noise interference. This study proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xinran Xu , Yuliang Ma , Sifu Cai , Ming Meng , Qiang Lv , Ruoyan Shi

Retinal vessel segmentation is a vital step for the diagnosis of many early eye-related diseases. In this work, we propose a new deep learning model, namely Channel Attention Residual U-Net (CAR-UNet), to accurately segment retinal vascular…

Image and Video Processing · Electrical Eng. & Systems 2020-10-22 Changlu Guo , Márton Szemenyei , Yangtao Hu , Wenle Wang , Wei Zhou , Yugen Yi

Accurate segmentation of the optic disc from a retinal image is vital to extracting retinal features that may be highly correlated with retinal conditions such as glaucoma. In this paper, we propose a deep-learning based approach capable of…

Image and Video Processing · Electrical Eng. & Systems 2020-10-02 Abdullah Sarhan , Ali Al-KhazÁly , Adam Gorner , Andrew Swift , Jon Rokne , Reda Alhajj , Andrew Crichton

Diabetic Retinopathy (DR) is a complication of long-standing, unchecked diabetes and one of the leading causes of blindness in the world. This paper focuses on improved and robust methods to extract some of the features of DR, viz. Blood…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Soham Basu , Sayantan Mukherjee , Ankit Bhattacharya , Anindya Sen