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Segmentation of blood vessels in retinal images provides early diagnosis of diseases like glaucoma, diabetic retinopathy and macular degeneration. Among these diseases occurrence of Glaucoma is most frequent and has serious ocular…

计算机视觉与模式识别 · 计算机科学 2012-09-07 Nilanjan Dey , Anamitra Bardhan Roy , Moumita Pal , Achintya Das

Optical sections of the cornea are obtained by illumination with a collimated beam expanded in a fan shape by a small rotary cylindrical lens. The light diffused from the cornea is observed by two cameras and processed in order to yield the…

医学物理 · 物理学 2007-05-23 Jose B. Almeida , Sandra Franco

The majority of computer vision applications that handle images featuring humans use face detection as a core component. Face detection still has issues, despite much research on the topic. Face detection's accuracy and speed might yet be…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Purnendu Prabhat , Himanshu Gupta , Ajeet Kumar Vishwakarma

Glaucoma is a serious ocular disorder for which the screening and diagnosis are carried out by the examination of the optic nerve head (ONH). The color fundus image (CFI) is the most common modality used for ocular screening. In CFI, the…

图像与视频处理 · 电气工程与系统科学 2019-02-05 Sharath M Shankaranarayana , Keerthi Ram , Kaushik Mitra , Mohanasankar Sivaprakasam

Glaucoma is a major eye disease, leading to vision loss in the absence of proper medical treatment. Current diagnosis of glaucoma is performed by ophthalmologists who are often analyzing several types of medical images generated by…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Mijung Kim , Olivier Janssens , Ho-min Park , Jasper Zuallaert , Sofie Van Hoecke , Wesley De Neve

Machine Learning (ML) is used to tackle various tasks, such as disease classification and prediction. The effectiveness of ML models relies heavily on having large amounts of complete data. However, healthcare data is often limited or…

Active perception and foveal vision are the foundations of the human visual system. While foveal vision reduces the amount of information to process during a gaze fixation, active perception will change the gaze direction to the most…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Alexandre M. F. Dias , Luís Simões , Plinio Moreno , Alexandre Bernardino

We describe a new approach to automated Glaucoma detection in 3D Spectral Domain Optical Coherence Tomography (OCT) optic nerve scans. First, we gathered a unique and diverse multi-ethnic dataset of OCT scans consisting of glaucoma and…

Computer vision and multimedia information processing have made extreme progress within the last decade and many tasks can be done with a level of accuracy as if done by humans, or better. This is because we leverage the benefits of huge…

计算机视觉与模式识别 · 计算机科学 2021-11-18 Alan F. Smeaton

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 (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…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Alexandros Papadopoulos , Fotis Topouzis , Anastasios Delopoulos

The human eye appears to be using a low number of sensors for image capturing. Furthermore, regarding the physical dimensions of cones-photoreceptors responsible for the sharp central vision-, we may realize that these sensors are of a…

计算机视觉与模式识别 · 计算机科学 2017-03-02 Adur Lagunas , Oier Dominguez , Susana Martinez-Conde , Stephen L. Macknik , Carlos del-Rio

The present study proposes a new approach to automated screening of Clinically Significant Macular Edema (CSME) and addresses two major challenges associated with such screenings, i.e., exudate segmentation and imbalanced datasets. The…

图像与视频处理 · 电气工程与系统科学 2020-01-22 Renoh Johnson Chalakkal , Faizal Hafiz , Waleed Abdulla , Akshya Swain

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…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Gabriel García , Rocío del Amor , Adrián Colomer , Valery Naranjo

The ability to automatically detect, classify, calculate the size, number, and grade of retinal cells and other biological objects is critically important in eye disease like age-related macular degeneration (AMD). In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-10-01 S. M. Hadi Hosseini , Hao Chen , Monica M. Jablonski

The task of localizing and categorizing objects in medical images often remains formulated as a semantic segmentation problem. This approach, however, only indirectly solves the coarse localization task by predicting pixel-level scores,…

Taking into account that glaucoma is the leading cause of blindness worldwide, we propose in this paper three different learning methodologies for glaucoma detection in order to elucidate that traditional machine-learning techniques could…

图像与视频处理 · 电气工程与系统科学 2020-09-10 Gabriel García , Adrián Colomer , Valery Naranjo

In this paper we give a brief review on the present status of automated detection systems describe for the screening of diabetic retinopathy. We further detail an enhanced detection procedure that consists of two steps. First, a…

计算机视觉与模式识别 · 计算机科学 2014-11-04 Balint Antal , Andras Hajdu , Zsuzsanna Maros-Szabo , Zsolt Torok , Adrienne Csutak , Tunde Peto

Image processing techniques provide important assistance to physicians and relieve their workload in different tasks. In particular, identifying objects of interest such as lesions and anatomical structures from the image is a challenging…

医学物理 · 物理学 2020-05-20 Meysam Tavakoli , Mahdieh Nazar

The unique vascularized anatomy of the human eye, encased in the retina, provides an opportunity to act as a window for human health. The retinal structure assists in assessing the early detection, monitoring of disease progression and…

图像与视频处理 · 电气工程与系统科学 2025-12-22 Inamullah , Imran Razzak , Shoaib Jameel