English
Related papers

Related papers: Automated Fovea Detection Based on Unsupervised Re…

200 papers

This paper presents a computationally efficient method for the detection of optic nerve head in both color fundus and fluorescein angiography images. It involves a combination of Radon transformation and multi-overlapping windows within an…

Medical Physics · Physics 2019-10-03 Reza Pourreza-Shahri , Meysam Tavakoli , Nasser Kehtarnavaz

Automated segmentation of vascular map in retinal images endeavors a potential benefit in diagnostic procedure of different ocular diseases. In this paper, we suggest a new unsupervised retinal blood vessel segmentation approach using…

Image and Video Processing · Electrical Eng. & Systems 2019-08-13 Kundan Kumar , Debashisa Samal , Suraj

Accurate fovea localization is essential for analyzing retinal diseases to prevent irreversible vision loss. While current deep learning-based methods outperform traditional ones, they still face challenges such as the lack of local…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Sifan Song , Jinfeng Wang , Zilong Wang , Hongxing Wang , Jionglong Su , Xiaowei Ding , Kang Dang

We introduce a novel method to extract the vessels in eye fun-dus images which is adaptive to lighting variations. In the Logarithmic Image Processing framework, a 3-segment probe detects the vessels by probing the topographic surface of an…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Guillaume Noyel , Christine Vartin , Peter Boyle , Laurent Kodjikian

Automatic blood vessel segmentation from retinal images plays an important role in the diagnosis of many systemic and eye diseases, including retinopathy of prematurity. Current state-of-the-art research in blood vessel segmentation from…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gorana Gojić , Veljko Petrović , Radovan Turović , Dinu Dragan , Ana Oros , Dušan Gajić , Nebojša Horvat

Retinal vessel segmentation is a fundamental step in screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Robustness is one of the most critical requirements for practical utilization, since the test images…

Image and Video Processing · Electrical Eng. & Systems 2021-09-29 Xu Sun , Huihui Fang , Yehui Yang , Dongwei Zhu , Lei Wang , Junwei Liu , Yanwu Xu

Our research focuses on the critical field of early diagnosis of disease by examining retinal blood vessels in fundus images. While automatic segmentation of retinal blood vessels holds promise for early detection, accurate analysis remains…

Image and Video Processing · Electrical Eng. & Systems 2024-05-14 Fatema Tuj Johora Faria , Mukaffi Bin Moin , Pronay Debnath , Asif Iftekher Fahim , Faisal Muhammad Shah

The retinal vascular condition is a reliable biomarker of several ophthalmologic and cardiovascular diseases, so automatic vessel segmentation may be crucial to diagnose and monitor them. In this paper, we propose a novel method that…

Image and Video Processing · Electrical Eng. & Systems 2018-12-21 Américo Oliveira , Sérgio Pereira , Carlos A. Silva

Purpose: Convolutional neural networks can be trained to detect various conditions or patient traits based on retinal fundus photographs, some of which, such as the patient sex, are invisible to the expert human eye. Here we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Parsa Delavari , Gulcenur Ozturan , Ozgur Yilmaz , Ipek Oruc

We propose a convolutional neural network for localising the centres of the optic disc (OD) and fovea in ultra-wide field of view scanning laser ophthalmoscope (UWFoV-SLO) images of the retina. Images captured in both reflectance and…

Image and Video Processing · Electrical Eng. & Systems 2020-04-27 Peter Robert Wakeford , Enrico Pellegrini , Gavin Robertson , Michael Verhoek , Alan Duncan Fleming , Jano van Hemert , Ik Siong Heng

Automatic segmentation of retina vessels plays a pivotal role in clinical diagnosis of prevalent eye diseases, such as, Diabetic Retinopathy or Age-related Macular Degeneration. Due to the complex construction of blood vessels, with…

Image and Video Processing · Electrical Eng. & Systems 2023-02-21 Benjamin Hou

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

In recent years, several automatic segmentation methods have been proposed for blood vessels in retinal fundus images, ranging from using cheap and fast trainable filters to complicated neural networks and even deep learning. One example of…

Image and Video Processing · Electrical Eng. & Systems 2019-05-30 Michiel Straat , Jorrit Oosterhof

Background and Objective: Infra-red scanning laser ophthalmoscope (IRSLO) images are akin to colour fundus photographs in displaying the posterior pole and retinal vasculature fine detail. While there are many trained networks readily…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Adam Threlfall , Samuel Gibbon , James Cameron , Tom MacGillivray

Retinal vessel segmentation is generally grounded in image-based datasets collected with bench-top devices. The static images naturally lose the dynamic characteristics of retina fluctuation, resulting in diminished dataset richness, and…

Fundus photography has routinely been used to document the presence and severity of retinal degenerative diseases such as age-related macular degeneration (AMD), glaucoma, and diabetic retinopathy (DR) in clinical practice, for which the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-22 Shuyun Tang , Ziming Qi , Jacob Granley , Michael Beyeler

In this paper we present algorithms to diagnosis Pathological Myopia (PM) and detection of retinal structures and lesions such asOptic Disc (OD), Fovea, Atrophy and Detachment. All these tasks were performed in fundus imaging from PM…

Tight-frame, a generalization of orthogonal wavelets, has been used successfully in various problems in image processing, including inpainting, impulse noise removal, super-resolution image restoration, etc. Segmentation is the process of…

Numerical Analysis · Mathematics 2015-03-19 Xiaohao Cai , Raymond Chan , Serena Morigi , Fiorella Sgallari

Large medical image data sets with high dimensionality require substantial amount of computation time for data creation and data processing. This paper presents a novel generalized method that finds optimal image-based feature sets that…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury

In the last 15 years, the segmentation of vessels in retinal images has become an intensively researched problem in medical imaging, with hundreds of algorithms published. One of the de facto benchmarking data sets of vessel segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 György Kovács , Attila Fazekas