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Blindness in diabetic patients caused by retinopathy (characterized by an increase in the diameter and new branches of the blood vessels inside the retina) is a grave concern. Many efforts have been made for the early detection of the…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Debojyoti Mallick , Kundan Kumar , Sumanshu Agarwal

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

Disease complications can alter vascular network morphology and disrupt tissue functioning. Diabetic retinopathy, for example, is a complication of types 1 and 2 diabetes mellitus that can cause blindness. Microvascular diseases are…

Quantitative Methods · Quantitative Biology 2022-09-13 John T. Nardini , Charles W. J. Pugh , Helen M. Byrne

The caliber and configuration of retinal blood vessels serve as important biomarkers for various diseases and medical conditions. A thorough analysis of the retinal vasculature requires the segmentation of the blood vessels and their…

Image and Video Processing · Electrical Eng. & Systems 2025-03-13 José Morano , Guilherme Aresta , Hrvoje Bogunović

Automatic analysis of retinal blood images is of vital importance in diagnosis tasks of retinopathy. Segmenting vessels accurately is a fundamental step in analysing retinal images. However, it is usually difficult due to various imaging…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Yishuo Zhang , Albert C. S. Chung

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

Doppler holography is an emerging retinal imaging technique that captures the dynamic behavior of blood flow with high temporal resolution, enabling quantitative assessment of retinal hemodynamics. This requires accurate segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Marius Dubosc , Yann Fischer , Zacharie Auray , Nicolas Boutry , Edwin Carlinet , Michael Atlan , Thierry Geraud

Existing supervised approaches didn't make use of the low-level features which are actually effective to this task. And another deficiency is that they didn't consider the relation between pixels, which means effective features are not…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Boheng Zhang , Shenglei Huang , Shaohan Hu

Optical coherence tomography (OCT) is used for non-invasive diagnosis of diabetic macular edema assessing the retinal layers. In this paper, we propose a new fully convolutional deep architecture, termed ReLayNet, for end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Abhijit Guha Roy , Sailesh Conjeti , Sri Phani Krishna Karri , Debdoot Sheet , Amin Katouzian , Christian Wachinger , Nassir Navab

Retinal vessel segmentation is of great clinical significance for the diagnosis of many eye-related diseases, but it is still a formidable challenge due to the intricate vascular morphology. With the skillful characterization of the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-09 Zihong Sun , Hong Wang , Qi Xie , Yefeng Zheng , Deyu Meng

As a non-invasive imaging modality, optical coherence tomography (OCT) can provide micrometer-resolution 3D images of retinal structures. Therefore it is commonly used in the diagnosis of retinal diseases associated with edema in and under…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Donghuan Lu , Morgan Heisler , Sieun Lee , Gavin Ding , Marinko V. Sarunic , Mirza Faisal Beg

Objective Automatic artery/vein (A/V) segmentation from fundus images is required to track blood vessel changes occurring with many pathologies including retinopathy and cardiovascular pathologies. One of the clinical measures that…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Fantin Girard , Conrad Kavalec , Farida Cheriet

Liver vessel segmentation in magnetic resonance imaging data is important for the computational analysis of vascular remodelling, associated with a wide spectrum of diffuse liver diseases. Existing approaches rely on contrast enhanced…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Daniel Sobotka , Alexander Herold , Matthias Perkonigg , Lucian Beer , Nina Bastati , Alina Sablatnig , Ahmed Ba-Ssalamah , Georg Langs

Computer methods and image processing provide medical doctors assistance at any time and relieve their workload, especially for iterative processes like identifying objects of interest such as lesions and anatomical structures from the…

Medical Physics · Physics 2020-04-27 Meysam Tavakoli , Faraz Kalantari , Alireza Golestaneh

The segmentation of the retinal vasculature from eye fundus images represents one of the most fundamental tasks in retinal image analysis. Over recent years, increasingly complex approaches based on sophisticated Convolutional Neural…

Image and Video Processing · Electrical Eng. & Systems 2020-09-07 Adrian Galdran , André Anjos , José Dolz , Hadi Chakor , Hervé Lombaert , Ismail Ben Ayed

Contrast-enhanced Computed Tomography (CT) is important for diagnosis and treatment planning for various medical conditions. Deep learning (DL) based segmentation models may enable automated medical image analysis for detecting and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Karl Øyvind Mikalsen , Robert Jenssen

The Computer-Assisted Diagnosis systems could save workloads and give objective diagnostic to ophthalmologists. At first, feature extraction is a fundamental step. One of these retinal features is the fovea. The fovea is a small fossa on…

Medical Physics · Physics 2020-04-21 Meysam Tavakoli , Patrick Kelley , Mahdieh Nazar , Faraz Kalantari

The precise detection of blood vessels in retinal images is crucial to the early diagnosis of the retinal vascular diseases, e.g., diabetic, hypertensive and solar retinopathies. Existing works often fail in predicting the abnormal areas,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-23 Jun Wang , Yang Zhao , Linglong Qian , Xiaohan Yu , Yongsheng Gao

Medical image segmentation is an important task for computer aided diagnosis. Pixelwise manual annotations of large datasets require high expertise and is time consuming. Conventional data augmentations have limited benefit by not fully…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Dwarikanath Mahapatra , Behzad Bozorgtabar , Jean-Philippe Thiran , Ling Shao

The detection of retinal blood vessels, especially the changes of small vessel condition is the most important indicator to identify the vascular network of the human body. Existing techniques focused mainly on shape of the large vessels,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Lukman Hakim , Novanto Yudistira , Muthusubash Kavitha , Takio Kurita