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Segmentation of curvilinear structures is important in many applications, such as retinal blood vessel segmentation for early detection of vessel diseases and pavement crack segmentation for road condition evaluation and maintenance.…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Tianyi Shi , Nicolas Boutry , Yongchao Xu , Thierry Géraud

Optical coherence tomography (OCT) is a noninvasive imaging modality which can be used to obtain depth images of the retina. The changing layer thicknesses can thus be quantified by analyzing these OCT images, moreover these changes have…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Yufan He , Aaron Carass , Bruno M. Jedynak , Sharon D. Solomon , Shiv Saidha , Peter A. Calabresi , Jerry L. Prince

To improve the segmentation of diabetic retinopathy lesions (microaneurysms, hemorrhages, exudates, and soft exudates), we implemented a binary segmentation method specific to each type of lesion. As post-segmentation, we combined the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Meher Boulaabi , Takwa Ben Aïcha Gader , Afef Kacem Echi , Sameh Mbarek

Carotid artery vessel wall thickness measurement is an essential step in the monitoring of patients with atherosclerosis. This requires accurate segmentation of the vessel wall, i.e., the region between an artery's lumen and outer wall, in…

Image and Video Processing · Electrical Eng. & Systems 2021-12-03 Dieuwertje Alblas , Christoph Brune , Jelmer M. Wolterink

Microvascular anatomy is known to be involved in various neurological disorders. However, understanding these disorders is hindered by the lack of imaging modalities capable of capturing the comprehensive three-dimensional vascular network…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Etienne Chollet , Yaël Balbastre , Chiara Mauri , Caroline Magnain , Bruce Fischl , Hui Wang

Retinal vessel information is helpful in retinal disease screening and diagnosis. Retinal vessel segmentation provides useful information about vessels and can be used by physicians during intraocular surgery and retinal diagnostic…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 M. Hajabdollahi , R. Esfandiarpoor , S. M. R. Soroushmehr , N. Karimi , S. Samavi , K. Najarian

Detecting retinal image analysis, particularly the geometrical features of branching points, plays an essential role in diagnosing eye diseases. However, existing methods used for this purpose often are coarse-level and lack fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hao Wang , Wenhui Zhu , Jiayou Qin , Xin Li , Oana Dumitrascu , Xiwen Chen , Peijie Qiu , Abolfazl Razi

We develop a connection sensitive attention U-Net(CSAU) for accurate retinal vessel segmentation. This method improves the recent attention U-Net for semantic segmentation with four key improvements: (1) connection sensitive loss that…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Ruirui Li , Mingming Li , Jiacheng Li , Yating Zhou

Retinal Cysts are formed by leakage and accumulation of fluid in the retina due to the incompetence of retinal vasculature. These cystic spaces have significance in several ocular diseases such as age-related macular degeneration, diabetic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Abhishek Dharmaratnakar , Aadheeshwar Vijayakumar , Suchand Dayanand

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

We present a method for automated segmentation of the vasculature in retinal images. The method produces segmentations by classifying each image pixel as vessel or non-vessel, based on the pixel's feature vector. Feature vectors are…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 João V. B. Soares , Jorge J. G. Leandro , Roberto M. Cesar , Herbert F. Jelinek , Michael J. Cree

Training convolutional neural networks (CNNs) for segmentation of pulmonary airway, artery, and vein is challenging due to sparse supervisory signals caused by the severe class imbalance between tubular targets and background. We present a…

Image and Video Processing · Electrical Eng. & Systems 2021-02-26 Yulei Qin , Hao Zheng , Yun Gu , Xiaolin Huang , Jie Yang , Lihui Wang , Feng Yao , Yue-Min Zhu , Guang-Zhong Yang

The joint interpretation of multi-modal and multi-view fundus images is critical for retinopathy prevention, as different views can show the complete 3D eyeball field and different modalities can provide complementary lesion areas. Compared…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yonghao Huang , Leiting Chen , Chuan Zhou

In this paper, we have proposed a new glaucoma classification approach that employs a wavelet neural network (WNN) on optimally enhanced retinal images features. To avoid tedious and error prone manual analysis of retinal images by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 N. Krishna Santosh , Soubhagya Sankar Barpanda

Thyroid nodule classification and segmentation in ultrasound images are crucial for computer-aided diagnosis; however, they face limitations owing to insufficient labeled data. In this study, we proposed a multi-view contrastive…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Jian Wang , Xin Yang , Xiaohong Jia , Wufeng Xue , Rusi Chen , Yanlin Chen , Xiliang Zhu , Lian Liu , Yan Cao , Jianqiao Zhou , Dong Ni , Ning Gu

The hemorrhagic lesion segmentation plays a critical role in ophthalmic diagnosis, directly influencing early disease detection, treatment planning, and therapeutic efficacy evaluation. However, the task faces significant challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Zesheng Li , Minwen Liao , Haoran Chen , Yan Su , Chengchang Pan , Honggang Qi

Retinal artery/vein (A/V) classification is a critical technique for diagnosing diabetes and cardiovascular diseases. Although deep learning based methods achieve impressive results in A/V classification, their performances usually degrade…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Chenxin Li , Yunlong Zhang , Zhehan Liang , Wenao Ma , Yue Huang , Xinghao Ding

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

Diabetic retinopathy refers to the pathology of the retina induced by diabetes and is one of the leading causes of preventable blindness in the world. Early detection of diabetic retinopathy is critical to avoid vision problem through…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Malik A. Manan , Tariq M. Khan , Ahsan Saadat , Muhammad Arsalan , Syed S. Naqvi

Accurate segmentation of retinal vessels is a basic step in Diabetic retinopathy(DR) detection. Most methods based on deep convolutional neural network (DCNN) have small receptive fields, and hence they are unable to capture global context…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Yun Jiang , Ning Tan , Tingting Peng , Hai Zhang