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Purpose To develop a computer based method for the automated assessment of image quality in the context of diabetic retinopathy (DR) to guide the photographer. Methods A deep learning framework was trained to grade the images automatically.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Sajib Kumar Saha , Basura Fernando , Jorge Cuadros , Di Xiao , Yogesan Kanagasingam

Diabetic Retinopathy (DR) is a leading cause of vision loss globally. Yet despite its prevalence, the majority of affected people lack access to the specialized ophthalmologists and equipment required for assessing their condition. This can…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Alexandros Papadopoulos , Fotis Topouzis , Anastasios Delopoulos

Recent advancements in ophthalmology foundation models such as RetFound have demonstrated remarkable diagnostic capabilities but require massive datasets for effective pre-training, creating significant barriers for development and…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Qingshan Hou , Meng Wang , Peng Cao , Zou Ke , Xiaoli Liu , Huazhu Fu , Osmar R. Zaiane

Diabetic Retinopathy (DR), a prevalent and severe complication of diabetes, affects millions of individuals globally, underscoring the need for accurate and timely diagnosis. Recent advancements in imaging technologies, such as…

In ophthalmological imaging, multiple imaging systems, such as color fundus, infrared, fluorescein angiography, optical coherence tomography (OCT) or OCT angiography, are often involved to make a diagnosis of retinal disease. Multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Aline Sindel , Bettina Hohberger , Andreas Maier , Vincent Christlein

Artificial intelligence applied to retinal images offers significant potential for recognizing signs and symptoms of retinal conditions and expediting the diagnosis of eye diseases and systemic disorders. However, developing generalized…

Image and Video Processing · Electrical Eng. & Systems 2024-08-19 Boa Jang , Youngbin Ahn , Eun Kyung Choe , Chang Ki Yoon , Hyuk Jin Choi , Young-Gon Kim

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

The process of using one image to guide the filtering process of another one is called Guided Image Filtering (GIF). The main challenge of GIF is the structure inconsistency between the guidance image and the target image. Besides, noise in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Wei Liu , Xiaogang Chen , Chunhua Shen , Jingyi Yu , Qiang Wu , Jie Yang

Precision in identifying and differentiating micro and macro blood vessels in the retina is crucial for the diagnosis of retinal diseases, although it poses a significant challenge. Current autoencoding-based segmentation approaches…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Rui Yang , Shunpu Zhang

Retinal image quality assessment is an essential task in the diagnosis of retinal diseases. Recently, there are emerging deep models to grade quality of retinal images. Current state-of-the-arts either directly transfer classification…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Ziwen Xu , Beiji Zou , Qing Liu

Objective: Glaucoma is the second leading cause of blindness worldwide. Glaucomatous progression can be easily monitored by analyzing the degeneration of retinal ganglion cells (RGCs). Many researchers have screened glaucoma by measuring…

Image and Video Processing · Electrical Eng. & Systems 2020-11-22 Hina Raja , Taimur Hassan , Muhammad Usman Akram , Naoufel Werghi

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

Automatic diabetic retinopathy (DR) grading based on fundus photography has been widely explored to benefit the routine screening and early treatment. Existing researches generally focus on single-field fundus images, which have limited…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Junlin Hou , Jilan Xu , Fan Xiao , Rui-Wei Zhao , Yuejie Zhang , Haidong Zou , Lina Lu , Wenwen Xue , Rui Feng

Diabetic Retinopathy (DR) is considered one of the significant concerns worldwide, primarily due to its impact on causing vision loss among most people with diabetes. The severity of DR is typically comprehended manually by ophthalmologists…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Tejas Karkera , Chandranath Adak , Soumi Chattopadhyay , Muhammad Saqib

Optical Coherence Tomography (OCT) is a novel and effective screening tool for ophthalmic examination. Since collecting OCT images is relatively more expensive than fundus photographs, existing methods use multi-modal learning to complement…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Lehan Wang , Weihang Dai , Mei Jin , Chubin Ou , Xiaomeng Li

Retinal image segmentation plays an important role in automatic disease diagnosis. This task is very challenging because the complex structure and texture information are mixed in a retinal image, and distinguishing the information is…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Shihao Zhang , Huazhu Fu , Yanwu Xu , Yanxia Liu , Mingkui Tan

Ophthalmologists have used fundus images to screen and diagnose eye diseases. However, different equipments and ophthalmologists pose large variations to the quality of fundus images. Low-quality (LQ) degraded fundus images easily lead to…

Image and Video Processing · Electrical Eng. & Systems 2022-08-04 Zhuo Deng , Yuanhao Cai , Lu Chen , Zheng Gong , Qiqi Bao , Xue Yao , Dong Fang , Shaochong Zhang , Lan Ma

Optical coherence tomography (OCT) imaging is a well-known technology for visualizing retinal layers and helps ophthalmologists to detect possible diseases. Accurate and early diagnosis of common retinal diseases can prevent the patients…

Image and Video Processing · Electrical Eng. & Systems 2022-03-04 Mohammad Rahimzadeh , Mahmoud Reza Mohammadi

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

Type 2 Diabetes (T2D) is a chronic metabolic disorder that can lead to blindness and cardiovascular disease. Information about early stage T2D might be present in retinal fundus images, but to what extent these images can be used for a…