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Glaucoma is an irreversible ocular disease and is the second leading cause of visual disability worldwide. Slow vision loss and the asymptomatic nature of the disease make its diagnosis challenging. Early detection is crucial for preventing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Gyanendar Manohar , Ruairi O'Reilly

Optical coherence tomography (OCT) is a non-invasive imaging technology which can provide micrometer-resolution cross-sectional images of the inner structures of the eye. It is widely used for the diagnosis of ophthalmic diseases with…

Image and Video Processing · Electrical Eng. & Systems 2019-12-10 Donghuan Lu , Morgan Heisler , Da Ma , Setareh Dabiri , Sieun Lee , Gavin Weiguang Ding , Marinko V. Sarunic , Mirza Faisal Beg

The segmentation of optic disc(OD) and optic cup(OC) from fundus images is an important fundamental task for glaucoma diagnosis. In the clinical practice, it is often necessary to collect opinions from multiple experts to obtain the final…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Junde Wu , Huihui Fang , Fangxin Shang , Zhaowei Wang , Dalu Yang , Wenshuo Zhou , Yehui Yang , Yanwu Xu

With the advancement of powerful image processing and machine learning techniques, CAD has become ever more prevalent in all fields of medicine including ophthalmology. Since optic disc is the most important part of retinal fundus image for…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Muhammad Naseer Bajwa , Muhammad Imran Malik , Shoaib Ahmed Siddiqui , Andreas Dengel , Faisal Shafait , Wolfgang Neumeier , Sheraz Ahmed

Optical Coherence Tomography (OCT) imaging plays an important role in glaucoma diagnosis in clinical practice. Early detection and timely treatment can prevent glaucoma patients from permanent vision loss. However, only a dearth of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Xi Wang , Hao Chen , Luyang Luo , An-ran Ran , Poemen P. Chan , Clement C. Tham , Carol Y. Cheung , Pheng-Ann Heng

The cup-to-disc ratio (CDR) is one of the most significant indicator for glaucoma diagnosis. Different from the use of costly fully supervised learning formulation with pixel-wise annotations in the literature, this study investigates the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Juan Wang , Bin Xia

For accurate glaucoma diagnosis and monitoring, reliable retinal layer segmentation in OCT images is essential. However, existing 2D segmentation methods often suffer from slice-to-slice inconsistencies due to the lack of contextual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Hyunwoo Kim , Heesuk Kim , Wungrak Choi , Jae-Sang Hyun

Glaucoma leads to permanent vision disability by damaging the optical nerve that transmits visual images to the brain. The fact that glaucoma does not show any symptoms as it progresses and cannot be stopped at the later stages, makes it…

Image and Video Processing · Electrical Eng. & Systems 2021-09-29 Ozer Can Devecioglu , Junaid Malik , Turker Ince , Serkan Kiranyaz , Eray Atalay , Moncef Gabbouj

Observing retinal fundus images by an ophthalmologist is a major diagnosis approach for glaucoma. However, it is still difficult to distinguish the features of the lesion solely through manual observations, especially, in glaucoma early…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Peng Liu , Ruogu Fang

Retinal Optical Coherence Tomography (OCT), a noninvasive cross-sectional scan of the eye with qualitative 3D visualization of the retinal anatomy is use to study the retinal structure and the presence of pathogens. The advent of the…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Nchongmaje Ndipenoch , Alina Miron , Zidong Wang , Yongmin Li

Nowadays, glaucoma is the leading cause of blindness worldwide. We propose in this paper two different deep-learning-based approaches to address glaucoma detection just from raw circumpapillary OCT images. The first one is based on the…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Gabriel García , Rocío del Amor , Adrián Colomer , Valery Naranjo

Purpose: (1) To develop a deep learning algorithm to automatically segment structures of the optic nerve head (ONH) and macula in 3D wide-field optical coherence tomography (OCT) scans; (2) To assess whether 3D macula or ONH structures (or…

Optical coherence tomography (OCT) is a commonly-used method of extracting high resolution retinal information. Moreover there is an increasing demand for the automated retinal layer segmentation which facilitates the retinal disease…

Image and Video Processing · Electrical Eng. & Systems 2020-09-30 Zeyu Fu , Yang Sun , Xiangyu Zhang , Scott Stainton , Shaun Barney , Jeffry Hogg , William Innes , Satnam Dlay

Glaucoma is a leading cause of irreversible blindness. Accurate segmentation of the optic disc (OD) and cup (OC) from fundus images is beneficial to glaucoma screening and diagnosis. Recently, convolutional neural networks demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Shujun Wang , Lequan Yu , Xin Yang , Chi-Wing Fu , Pheng-Ann Heng

One of the important parameters for the assessment of glaucoma is optic nerve head (ONH) evaluation, which usually involves depth estimation and subsequent optic disc and cup boundary extraction. Depth is usually obtained explicitly from…

Image and Video Processing · Electrical Eng. & Systems 2020-07-16 Sharath M Shankaranarayana , Keerthi Ram , Kaushik Mitra , Mohanasankar Sivaprakasam

Accurate diagnosis of glaucoma is challenging, as early-stage changes are subtle and often lack clear structural or appearance cues. Most existing approaches rely on a single modality, such as fundus or optical coherence tomography (OCT),…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhiwei Wang , Yuxing Li , Meilu Zhu , Defeng He , Edmund Y. Lam

Optical coherence tomography (OCT) helps ophthalmologists assess macular edema, accumulation of fluids, and lesions at microscopic resolution. Quantification of retinal fluids is necessary for OCT-guided treatment management, which relies…

Image and Video Processing · Electrical Eng. & Systems 2022-12-15 Reza Rasti , Armin Biglari , Mohammad Rezapourian , Ziyun Yang , Sina Farsiu

Diabetic Retinopathy (DR) is a primary cause of blindness, necessitating early detection and diagnosis. This paper focuses on referable DR classification to enhance the applicability of the proposed method in clinical practice. We develop…

Image and Video Processing · Electrical Eng. & Systems 2024-11-07 Dahyun Mok , Junghyun Bum , Le Duc Tai , Hyunseung Choo

In this paper, an optic disc and cup segmentation method is proposed using U-Net followed by a multi-scale feature matching network. The proposed method targets task 2 of the REFUGE challenge 2018. In order to solve the segmentation problem…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Vivek Kumar Singh , Hatem A. Rashwan , Adel Saleh , Farhan Akram , Md Mostafa Kamal Sarker , Nidhi Pandey , Saddam Abdulwahab

To achieve an accurate assessment of root canal therapy, a fundamental step is to perform tooth root segmentation on oral X-ray images, in that the position of tooth root boundary is significant anatomy information in root canal therapy…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yunxiang Li , Shuai Wang , Jun Wang , Guodong Zeng , Wenjun Liu , Qianni Zhang , Qun Jin , Yaqi Wang