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Optic disc (OD) and optic cup (OC) are regions of prominent clinical interest in a retinal fundus image. They are the primary indicators of a glaucomatous condition. With the advent and success of deep learning for healthcare research,…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Aniketh Manjunath , Subramanya Jois , Chandra Sekhar Seelamantula

The acquisition of high-resolution retinal fundus images with a large field of view (FOV) is challenging due to technological, physiological and economic reasons. This paper proposes a fully automatic framework to reconstruct retinal images…

Computer Vision and Pattern Recognition · Computer Science 2016-02-11 Thomas Köhler , Axel Heinrich , Andreas Maier , Joachim Hornegger , Ralf P. Tornow

Fundus diseases are major causes of visual impairment and blindness worldwide, especially in underdeveloped regions, where the shortage of ophthalmologists hinders timely diagnosis. AI-assisted fundus image analysis has several advantages,…

Image and Video Processing · Electrical Eng. & Systems 2024-04-24 Yong Liu , Mengtian Kang , Shuo Gao , Chi Zhang , Ying Liu , Shiming Li , Yue Qi , Arokia Nathan , Wenjun Xu , Chenyu Tang , Edoardo Occhipinti , Mayinuer Yusufu , Ningli Wang , Weiling Bai , Luigi Occhipinti

Automatic evaluation of the retinal fundus image is emerging as one of the most important tools for early detection and treatment of progressive eye diseases like Glaucoma. Glaucoma results to a progressive degeneration of vision and is…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Sneha Dasgupta , Rishav Mukherjee , Kaushik Dutta , Anindya Sen

In this work, deep learning algorithms are used to classify fundus images in terms of diabetic retinopathy severity. Six different combinations of two model architectures, the Dense Convolutional Network-121 and the Residual Neural…

Image and Video Processing · Electrical Eng. & Systems 2021-08-20 Jonathan Zhang , Bowen Xie , Xin Wu , Rahul Ram , David Liang

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

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

Visual artefacts of early diabetic retinopathy in retinal fundus images are usually small in size, inconspicuous, and scattered all over retina. Detecting diabetic retinopathy requires physicians to look at the whole image and fixate on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Muhammad Naseer Bajwa , Yoshinobu Taniguchi , Muhammad Imran Malik , Wolfgang Neumeier , Andreas Dengel , Sheraz Ahmed

Diabetic Retinopathy (DR) is a major cause of vision impairment worldwide. However, manual diagnosis is often time-consuming and prone to errors, leading to delays in screening. This paper presents a lightweight automated deep learning…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Aadi Joshi , Manav S. Sharma , Vijay Uttam Rathod , Ashlesha Sawant , Prajakta Musale , Asmita B. Kalamkar

Low light very likely leads to the degradation of an image's quality and even causes visual task failures. Existing image enhancement technologies are prone to overenhancement, color distortion or time consumption, and their adaptability is…

Image and Video Processing · Electrical Eng. & Systems 2022-05-17 Xiaozhou Lei , Zixiang Fei , Wenju Zhou , Huiyu Zhou , Minrui Fei

Vessel segmentation of retinal images is a key diagnostic capability in ophthalmology. This problem faces several challenges including low contrast, variable vessel size and thickness, and presence of interfering pathology such as…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Venkateswararao Cherukuri , Vijay Kumar BG , Raja Bala , Vishal Monga

Image restoration aims to enhance low quality images, producing high quality images that exhibit natural visual characteristics and fine semantic attributes. Recently, the diffusion model has emerged as a powerful technique for image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jiangtong Tan , Feng Zhao

Despite its high prevalence, anemia is often undetected due to the invasiveness and cost of screening and diagnostic tests. Though some non-invasive approaches have been developed, they are less accurate than invasive methods, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Akinori Mitani , Yun Liu , Abigail Huang , Greg S. Corrado , Lily Peng , Dale R. Webster , Naama Hammel , Avinash V. Varadarajan

Current learning-based single image super-resolution (SISR) algorithms underperform on real data due to the deviation in the assumed degrada-tion process from that in the real-world scenario. Conventional degradation processes consider…

Image and Video Processing · Electrical Eng. & Systems 2022-02-14 Zhenxing Dong , Hong Cao , Wang Shen , Yu Gan , Yuye Ling , Guangtao Zhai , Yikai Su

Underwater images typically suffer from severe colour distortions, low visibility, and reduced structural clarity due to complex optical effects such as scattering and absorption, which greatly degrade their visual quality and limit the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Chang Huang , Jiahang Cao , Jun Ma , Kieren Yu , Cong Li , Huayong Yang , Kaishun Wu

As current computing capabilities increase, modern machine learning and computer vision system tend to increase in complexity, mostly by means of larger models and advanced optimization strategies. Although often neglected, in many problems…

Image and Video Processing · Electrical Eng. & Systems 2024-06-07 Adrian Galdran , Miguel A. González Ballester

In ophthalmology, early fundus screening is an economic and effective way to prevent blindness caused by ophthalmic diseases. Clinically, due to the lack of medical resources, manual diagnosis is time-consuming and may delay the condition.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Ning Li , Tao Li , Chunyu Hu , Kai Wang , Hong Kang

Diabetic retinopathy (DR) is the most common form of diabetic eye disease. Retinopathy can affect all diabetic patients and becomes particularly dangerous, increasing the risk of blindness, if it is left untreated. The success rate of its…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Oindrila Saha , Rachana Sathish , Debdoot Sheet

Automatic clinical diagnosis of retinal diseases has emerged as a promising approach to facilitate discovery in areas with limited access to specialists. Based on the fact that fundus structure and vascular disorders are the main…

Computer Vision and Pattern Recognition · Computer Science 2018-11-05 C. -H. Huck Yang , Fangyu Liu , Jia-Hong Huang , Meng Tian , Hiromasa Morikawa , I-Hung Lin , Yi-Chieh Liu , Hao-Hsiang Yang , Jesper Tegner

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