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Diabetic retinopathy is one of the most threatening complications of diabetes that leads to permanent blindness if left untreated. One of the essential challenges is early detection, which is very important for treatment success.…

Machine Learning · Computer Science 2020-03-06 Borys Tymchenko , Philip Marchenko , Dmitry Spodarets

Deep learning and computer vision methods are nowadays predominantly used in the field of ophthalmology. In this paper, we present an attention-aided DenseNet-121 for classifying normal and glaucomatous eyes from fundus images. It involves…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Soham Chakraborty , Ayush Roy , Payel Pramanik , Daria Valenkova , Ram Sarkar

Optic disc and cup segmentation helps in the diagnosis of glaucoma, myocardial infarction, and diabetic retinopathy. Most deep learning methods developed to perform segmentation tasks are built on top of a U-Net-based model architecture.…

Image and Video Processing · Electrical Eng. & Systems 2024-08-12 Yoga Sri Varshan , Hitesh Gupta Kattamuri , Subin Sahayam , Umarani Jayaraman

Diabetic retinopathy (DR) results in vision loss if not treated early. A computer-aided diagnosis (CAD) system based on retinal fundus images is an efficient and effective method for early DR diagnosis and assisting experts. A…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Norah Asiri , Muhammad Hussain , Fadwa Al Adel , Nazih Alzaidi

Glaucoma is a chronic neurodegenerative condition that can lead to blindness. Early detection and curing are very important in stopping the disease from getting worse for glaucoma patients. The 2D fundus images and optical coherence…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Wenyun Li , Chi-Man Pun

Purpose: To develop a deep learning approach to digitally-stain optical coherence tomography (OCT) images of the optic nerve head (ONH). Methods: A horizontal B-scan was acquired through the center of the ONH using OCT (Spectralis) for 1…

Screening for the diagnosis of glaucoma through a fundus image can be determined by the optic cup to disc diameter ratio (CDR), which requires the segmentation of the cup and disc regions. In this paper, we propose two novel approaches,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Shivam Shah , Nikhil Kasukurthi , Harshit Pande

One of the leading causes of blindness is glaucoma, which is challenging to detect since it remains asymptomatic until the symptoms are severe. Thus, diagnosis is usually possible until the markers are easy to identify, i.e., the damage has…

Image and Video Processing · Electrical Eng. & Systems 2021-10-05 Sayan Mandal , Alessandro A. Jammal , Felipe A. Medeiros

Multimodal information is frequently available in medical tasks. By combining information from multiple sources, clinicians are able to make more accurate judgments. In recent years, multiple imaging techniques have been used in clinical…

Glaucoma is one of the leading causes of blindness worldwide and Optical Coherence Tomography (OCT) is the quintessential imaging technique for its detection. Unlike most of the state-of-the-art studies focused on glaucoma detection, in…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Gabriel García , Rocío del Amor , Adrián Colomer , Rafael Verdú-Monedero , Juan Morales-Sánchez , Valery Naranjo

We propose a new method for training convolutional neural networks which integrates reinforcement learning along with supervised learning and use ti for transfer learning for classification of glaucoma from colored fundus images. The…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Hardit Singh , Simarjeet Saini , Vasudevan Lakshminarayanan

Glaucoma is a chronic eye disease characterized by optic neuropathy, leading to irreversible vision loss. It progresses gradually, often remaining undiagnosed until advanced stages. Early detection is crucial to monitor atrophy and develop…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Sayan Mandal

Valid segmentation of the optic disc (OD) and optic cup (OC) from fundus photographs is essential for glaucoma screening. Unfortunately, existing deep learning methods do not guarantee clinical validness including star-convexity and nested…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Rimsa Goperma , Rojan Basnet , Liang Zhao

We propose an automatic diabetic retinopathy (DR) analysis algorithm based on two-stages deep convolutional neural networks (DCNN). Compared to existing DCNN-based DR detection methods, the proposed algorithm have the following advantages:…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Yehui Yang , Tao Li , Wensi Li , Haishan Wu , Wei Fan , Wensheng Zhang

Glaucoma is one of the ophthalmic diseases that may cause blindness, for which early detection and treatment are very important. Fundus images and optical coherence tomography (OCT) images are both widely-used modalities in diagnosing…

Image and Video Processing · Electrical Eng. & Systems 2022-01-26 Zhiyuan Cai , Li Lin , Huaqing He , Xiaoying Tang

Glaucoma is the leading cause of irreversible blindness worldwide and poses significant diagnostic challenges due to its reliance on subjective evaluation. However, recent advances in computer vision and deep learning have demonstrated the…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Mona Ashtari-Majlan , Mohammad Mahdi Dehshibi , David Masip

Diabetic Retinopathy (DR) is a constantly deteriorating disease, being one of the leading causes of vision impairment and blindness. Subtle distinction among different grades and existence of many significant small features make the task of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Sheikh Muhammad Saiful Islam , Md Mahedi Hasan , Sohaib Abdullah

We have developed and trained a convolutional neural network to automatically and simultaneously segment optic disc, fovea and blood vessels. Fundus images were normalised before segmentation was performed to enforce consistency in…

Computer Vision and Pattern Recognition · Computer Science 2017-02-03 Jen Hong Tan , U. Rajendra Acharya , Sulatha V. Bhandary , Kuang Chua Chua , Sobha Sivaprasad

In this work, we propose a special cascade network for image segmentation, which is based on the U-Net networks as building blocks and the idea of the iterative refinement. The model was mainly applied to achieve higher recognition quality…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Artem Sevastopolsky , Stepan Drapak , Konstantin Kiselev , Blake M. Snyder , Jeremy D. Keenan , Anastasia Georgievskaya

Precis: A hybrid deep-learning model combines NFL reflectance and other OCT parameters to improve glaucoma diagnosis. Objective: To investigate if a deep learning model could be used to combine nerve fiber layer (NFL) reflectance and other…

Image and Video Processing · Electrical Eng. & Systems 2024-06-07 Ou Tan , David S. Greenfield , Brian A. Francis , Rohit Varma , Joel S. Schuman , David Huang , Dongseok Choi