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Related papers: Automatic Segmentation of Retinal Vasculature

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Computer-Aided Diagnosis systems are required to extract suitable information about retina and its changes. In particular, identifying objects of interest such as lesions and anatomical structures from the retinal images is a challenging…

Medical Physics · Physics 2020-05-20 Meysam Tavakoli , Mahdieh Nazar , Alireza Mehdizadeh

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

Automated segmentation of the optic cup and disk on retinal fundus images is fundamental for the automated detection / analysis of glaucoma. Traditional segmentation approaches depend heavily upon hand-crafted features and a priori…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Lei Bi , Yuyu Guo , Qian Wang , Dagan Feng , Michael Fulham , Jinman Kim

Retinal imaging has emerged as a promising method of addressing this challenge, taking advantage of the unique structure of the retina. The retina is an embryonic extension of the central nervous system, providing a direct in vivo window…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Syed Javed , Tariq M. Khan , Abdul Qayyum , Arcot Sowmya , Imran Razzak

Retinal vessel segmentation, as a principal nonintrusive diagnose method for ophthalmology diseases or diabetics, suffers from data scarcity due to requiring pixel-wise labels. In this paper, we proposed a convenient patch-based two-stage…

Image and Video Processing · Electrical Eng. & Systems 2019-06-21 Chengzhi Shi , Jihong Liu , Dali Chen

Optic disk segmentation is a prerequisite step in automatic retinal screening systems. In this paper, we propose an algorithm for optic disk segmentation based on a local adaptive thresholding method. Location of the optic disk is validated…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Farnoosh Ghadiri , Robert Bergevin , Masoud Shafiee

In this paper we give a brief review on the present status of automated detection systems describe for the screening of diabetic retinopathy. We further detail an enhanced detection procedure that consists of two steps. First, a…

Computer Vision and Pattern Recognition · Computer Science 2014-11-04 Balint Antal , Andras Hajdu , Zsuzsanna Maros-Szabo , Zsolt Torok , Adrienne Csutak , Tunde Peto

Vision impairment due to pathological damage of the retina can largely be prevented through periodic screening using fundus color imaging. However the challenge with large scale screening is the inability to exhaustively detect fine blood…

Machine Learning · Computer Science 2016-03-16 Debapriya Maji , Anirban Santara , Pabitra Mitra , Debdoot Sheet

We propose a new deep learning approach for automatic detection and segmentation of fluid within retinal OCT images. The proposed framework utilizes both ResNet and Encoder-Decoder neural network architectures. When training the network, we…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Dustin Morley , Hassan Foroosh , Saad Shaikh , Ulas Bagci

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

Glaucoma is a severe blinding disease, for which automatic detection methods are urgently needed to alleviate the scarcity of ophthalmologists. Many works have proposed to employ deep learning methods that involve the segmentation of optic…

Image and Video Processing · Electrical Eng. & Systems 2022-09-26 Yanni Wang , Gang Yang , Dayong Ding , Jianchun Zao

Retinal blood vessel segmentation can extract clinically relevant information from fundus images. As manual tracing is cumbersome, algorithms based on Convolution Neural Networks have been developed. Such studies have used small publicly…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Jeremiah Fadugba , Patrick Köhler , Lisa Koch , Petru Manescu , Philipp Berens

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

Diseases such as diabetic retinopathy and age-related macular degeneration pose a significant risk to vision, highlighting the importance of precise segmentation of retinal vessels for the tracking and diagnosis of progression. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Tariq M. Khan , Muhammad Arsalan , Shahzaib Iqbal , Imran Razzak , Erik Meijering

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

The task of blood vessel segmentation in microscopy images is crucial for many diagnostic and research applications. However, vessels can look vastly different, depending on the transient imaging conditions, and collecting data for…

Image and Video Processing · Electrical Eng. & Systems 2019-08-19 Shir Gur , Lior Wolf , Lior Golgher , Pablo Blinder

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

The change of retinal vasculature is an early sign of many vascular and systematic diseases, such as diabetes and hypertension. Different behaviors of retinal arterioles and venules form an important metric to measure the disease severity.…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Meng Li , Yan Zhang , Haicheng She , Jinqiong Zhou , Jia Jia , Danmei He , Li Zhang

With the introduction of spectral-domain optical coherence tomography (SDOCT), much larger image datasets are routinely acquired compared to what was possible using the previous generation of time-domain OCT. Thus, there is a critical need…

Computer Vision and Pattern Recognition · Computer Science 2015-08-06 Yankui Sun , Tian Zhang , Yue Zhao , Yufan He

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