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We propose a convolutional neural network for localising the centres of the optic disc (OD) and fovea in ultra-wide field of view scanning laser ophthalmoscope (UWFoV-SLO) images of the retina. Images captured in both reflectance and…

图像与视频处理 · 电气工程与系统科学 2020-04-27 Peter Robert Wakeford , Enrico Pellegrini , Gavin Robertson , Michael Verhoek , Alan Duncan Fleming , Jano van Hemert , Ik Siong Heng

The Computer-Assisted Diagnosis systems could save workloads and give objective diagnostic to ophthalmologists. At first, feature extraction is a fundamental step. One of these retinal features is the fovea. The fovea is a small fossa on…

医学物理 · 物理学 2020-04-21 Meysam Tavakoli , Patrick Kelley , Mahdieh Nazar , Faraz Kalantari

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…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Muhammad Naseer Bajwa , Muhammad Imran Malik , Shoaib Ahmed Siddiqui , Andreas Dengel , Faisal Shafait , Wolfgang Neumeier , Sheraz Ahmed

Retina image processing is one of the crucial and popular topics of medical image processing. The macula fovea is responsible for sharp central vision, which is necessary for human behaviors where visual detail is of primary importance,…

图像与视频处理 · 电气工程与系统科学 2020-10-08 Yukang Jiang , Jianying Pan , Yanhe Shen , Jin Zhu , Jiamin Huang , Huirui Xie , Xueqin Wang , Yan Luo

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…

计算机视觉与模式识别 · 计算机科学 2017-02-03 Jen Hong Tan , U. Rajendra Acharya , Sulatha V. Bhandary , Kuang Chua Chua , Sobha Sivaprasad

We present a foveated object detector (FOD) as a biologically-inspired alternative to the sliding window (SW) approach which is the dominant method of search in computer vision object detection. Similar to the human visual system, the FOD…

计算机视觉与模式识别 · 计算机科学 2017-11-07 Emre Akbas , Miguel P. Eckstein

This paper presents a computationally efficient method for the detection of optic nerve head in both color fundus and fluorescein angiography images. It involves a combination of Radon transformation and multi-overlapping windows within an…

医学物理 · 物理学 2019-10-03 Reza Pourreza-Shahri , Meysam Tavakoli , Nasser Kehtarnavaz

Diabetic Retinopathy is the leading cause of blindness in the world. At least 90\% of new cases can be reduced with proper treatment and monitoring of the eyes. However, scanning the entire population of patients is a difficult endeavor.…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Sudharshan Chandra Babu , Shishira R Maiya , Sivasankar Elango

Purpose: To develop an automatic method of quantifying optic disc pallor in fundus photographs and determine associations with peripapillary retinal nerve fibre layer (pRNFL) thickness. Methods: We used deep learning to segment the optic…

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

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…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Sneha Dasgupta , Rishav Mukherjee , Kaushik Dutta , Anindya Sen

Fundus images are widely used for diagnosing various eye diseases, such as diabetic retinopathy, glaucoma, and age-related macular degeneration. However, manual analysis of fundus images is time-consuming and prone to errors. In this…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Eric Shah , Jay Patel , Mr. Vishal Katheriya , Parth Pataliya

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,…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Aniketh Manjunath , Subramanya Jois , Chandra Sekhar Seelamantula

Accurate segmentation of the optic disc from a retinal image is vital to extracting retinal features that may be highly correlated with retinal conditions such as glaucoma. In this paper, we propose a deep-learning based approach capable of…

图像与视频处理 · 电气工程与系统科学 2020-10-02 Abdullah Sarhan , Ali Al-KhazÁly , Adam Gorner , Andrew Swift , Jon Rokne , Reda Alhajj , Andrew Crichton

The human visual system processes images with varied degrees of resolution, with the fovea, a small portion of the retina, capturing the highest acuity region, which gradually declines toward the field of view's periphery. However, the…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Beatriz Paula , Plinio Moreno

Retinal vessel segmentation is a crucial step in diagnosing and screening various diseases, including diabetes, ophthalmologic diseases, and cardiovascular diseases. In this paper, we propose an effective and efficient method for vessel…

图像与视频处理 · 电气工程与系统科学 2020-09-24 Zhun Fan , Jiajie Mo , Benzhang Qiu , Wenji Li , Guijie Zhu , Chong Li , Jianye Hu , Yibiao Rong , Xinjian Chen

In this manuscript, we present a robust method for glaucoma screening from fundus images using an ensemble of convolutional neural networks (CNNs). The pipeline comprises of first segmenting the optic disk and optic cup from the fundus…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Vismay Agrawal , Avinash Kori , Varghese Alex , Ganapathy Krishnamurthi

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…

计算机视觉与模式识别 · 计算机科学 2017-10-16 Donghuan Lu , Morgan Heisler , Sieun Lee , Gavin Ding , Marinko V. Sarunic , Mirza Faisal Beg

Fundus photography has been routinely used to document the presence and severity of various retinal degenerative diseases such as age-related macula degeneration, glaucoma, and diabetic retinopathy, for which the fovea, optic disc (OD), and…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Huaqing He , Li Lin , Zhiyuan Cai , Xiaoying Tang

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…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Peng Liu , Ruogu Fang
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