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The vascular structure of blood vessels is important in diagnosing retinal conditions such as glaucoma and diabetic retinopathy. Accurate segmentation of these vessels can help in detecting retinal objects such as the optic disc and optic…

Image and Video Processing · Electrical Eng. & Systems 2020-12-18 Abdullah Sarhan , Jon Rokne , Reda Alhajj , Andrew Crichton

Many deep learning based methods have been proposed for retinal vessel segmentation, however few of them focus on the connectivity of segmented vessels, which is quite important for a practical computer-aided diagnosis system on retinal…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Rui Xu , Tiantian Liu , Xinchen Ye , Yen-Wei Chen

We identify two major limitations in the existing studies on retinal vessel segmentation: (1) Most existing works are restricted to one modality, i.e., the Color Fundus (CF). However, multi-modality retinal images are used every day in the…

Image and Video Processing · Electrical Eng. & Systems 2026-01-01 Bo Wen , Anna Heinke , Akshay Agnihotri , Dirk-Uwe Bartsch , William Freeman , Truong Nguyen , Cheolhong An

Timely and affordable computer-aided diagnosis of retinal diseases is pivotal in precluding blindness. Accurate retinal vessel segmentation plays an important role in disease progression and diagnosis of such vision-threatening diseases. To…

Image and Video Processing · Electrical Eng. & Systems 2023-04-26 Tariq M. Khan , Syed S. Naqvi , Antonio Robles-Kelly , Imran Razzak

A novel topological segmentation of retinal images represents blood vessels as connected regions in the continuous image plane, having shape-related analytic and geometric properties. This paper presents topological segmentation results…

Computational Geometry · Computer Science 2016-08-05 Martin Brooks

Mathematical modelling of the microcirculatory hemodynamics in the retina is an essential tool for understanding various diseases of the retina, yet remains challenging due to the multiscale nature of the retinal vasculature and its…

Biological Physics · Physics 2026-04-28 Chang Lin , Zilong Song , Robert Eisenberg , Shixin Xu , Huaxiong Huang

The appearance and structure of blood vessels in retinal images have an important role in diagnosis of diseases. This paper proposes a method for automatic retinal vessel segmentation. In this work, a novel preprocessing based on local…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Sevin Samadi

The detection of retinal vessel is of great importance in the diagnosis and treatment of many ocular diseases. Many methods have been proposed for vessel detection. However, most of the algorithms neglect the connectivity of the vessels,…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Lei Mou , Li Chen , Jun Cheng , Zaiwang Gu , Yitian Zhao , Jiang Liu

Retinal vascular segmentation, a widely researched topic in biomedical image processing, aims to reduce the workload of ophthalmologists in treating and detecting retinal disorders. Segmenting retinal vessels presents unique challenges;…

Image and Video Processing · Electrical Eng. & Systems 2025-01-06 Melaku N. Getahun , Oleg Y. Rogov , Dmitry V. Dylov , Andrey Somov , Ahmed Bouridane , Rifat Hamoudi

The reliable segmentation of retinal vasculature can provide the means to diagnose and monitor the progression of a variety of diseases affecting the blood vessel network, including diabetes and hypertension. We leverage the power of…

Image and Video Processing · Electrical Eng. & Systems 2019-07-23 Ali Hatamizadeh , Hamid Hosseini , Zhengyuan Liu , Steven D. Schwartz , Demetri Terzopoulos

Accurate segmentation of blood vessels is essential for various clinical assessments and postoperative analyses. However, the inherent challenges of vascular imaging, such as sparsity, fine granularity, low contrast, data distribution…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Dongning Song , Weijian Huang , Jiarun Liu , Md Jahidul Islam , Hao Yang , Shanshan Wang

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

Accurate retinal vessel segmentation is an important task for many computer-aided diagnosis systems. Yet, it is still a challenging problem due to the complex vessel structures of an eye. Numerous vessel segmentation methods have been…

Image and Video Processing · Electrical Eng. & Systems 2022-03-23 Ali Karaali , Rozenn Dahyot , Donal J. Sexton

Vessel tracing by modeling vascular structures in 3D medical images with centerlines and radii can provide useful information for vascular health. Existing algorithms have been developed but there are certain persistent problems such as…

Image and Video Processing · Electrical Eng. & Systems 2021-07-20 Li Chen , Wenjin Liu , Niranjan Balu , Mahmud Mossa-Basha , Thomas S. Hatsukami , Jenq-Neng Hwang , Chun Yuan

Ophthalmological imaging utilizes different imaging systems, such as color fundus, infrared, fluorescein angiography, optical coherence tomography (OCT) or OCT angiography. Multiple images with different modalities or acquisition times are…

Image and Video Processing · Electrical Eng. & Systems 2022-01-10 Aline Sindel , Bettina Hohberger , Sebastian Fassihi Dehcordi , Christian Mardin , Robert Lämmer , Andreas Maier , Vincent Christlein

Retinal image-based eye tracking is widely used in ophthalmic imaging and vision science, and is a promising path to deliver higher gaze accuracy than the pupil- and cornea-based approaches commonly used in modern AR/VR devices.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Bo Wen , Dillon Lohr , Yatong An , Pushkar Anand , Alexander Fix , Ruobing Qian , Catherine A. Fromm , Yimin Ding , Truong Nguyen , Mohamed El-Haddad , Francesco La Rocca

Junctions in the retinal vasculature are key points to be able to extract its topology, but they vary in appearance, depending on vessel density, width and branching/crossing angles. The complexity of junction patterns is usually…

Image and Video Processing · Electrical Eng. & Systems 2018-09-06 Fatmatulzehra Uslu , Anil Anthony Bharath

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

Vessel structure is one of the most important parts of the retina which physicians can detect many diseases by analysing its features. Localization of blood vessels in retina images is an important process in medical image analysis. This…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Vahid Mohammadi Safarzadeh

Vascular structures in the retina contain important information for the detection and analysis of ocular diseases, including age-related macular degeneration, diabetic retinopathy and glaucoma. Commonly used modalities in diagnosis of these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Erick O. Rodrigues , Aura Conci , Panos Liatsis