English
Related papers

Related papers: Automated Fovea Detection Based on Unsupervised Re…

200 papers

Ultra-widefield (UWF) imaging is a promising modality that captures a larger retinal field of view compared to traditional fundus photography. Previous studies showed that deep learning (DL) models are effective for detecting retinal…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Justin Engelmann , Alice D. McTrusty , Ian J. C. MacCormick , Emma Pead , Amos Storkey , Miguel O. Bernabeu

Diabetic Retinopathy (DR) is a complication of long-standing, unchecked diabetes and one of the leading causes of blindness in the world. This paper focuses on improved and robust methods to extract some of the features of DR, viz. Blood…

Image and Video Processing · Electrical Eng. & Systems 2022-07-12 Soham Basu , Sayantan Mukherjee , Ankit Bhattacharya , Anindya Sen

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

Diabetic retinopathy is the basic reason for visual deficiency. This paper introduces a programmed strategy to identify and dispense with the blood vessels. The location of the blood vessels is the fundamental stride in the discovery of…

Image and Video Processing · Electrical Eng. & Systems 2020-08-27 Mohamed. I. Waly , Ahmed El-Hossiny

Retinal vessel segmentation is crucial for intelligent ophthalmic diagnosis, yet it faces three major challenges: insufficient multi-scale feature fusion, disruption of contextual continuity, and noise interference. This study proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xinran Xu , Yuliang Ma , Sifu Cai , Ming Meng , Qiang Lv , Ruoyan Shi

In order to estimate a registration model of eye fundus images made of an affinity and two radial distortions, we introduce an estimation criterion based on an error between the vessels. In [1], we estimated this model by minimising the…

Medical Physics · Physics 2019-07-22 Guillaume Noyel , R Thomas , S Iles , G Bhakta , A Crowder , D. Owens , P. Boyle

Accurate retinal vessel segmentation is an important task for many computer-aided diagnosis systems. Yet, it is still a challenging problem due to the complex vessel structures of an eye. Numerous vessel segmentation methods have been…

Image and Video Processing · Electrical Eng. & Systems 2022-03-23 Ali Karaali , Rozenn Dahyot , Donal J. Sexton

The caliber and configuration of retinal blood vessels serve as important biomarkers for various diseases and medical conditions. A thorough analysis of the retinal vasculature requires the segmentation of the blood vessels and their…

Image and Video Processing · Electrical Eng. & Systems 2025-03-13 José Morano , Guilherme Aresta , Hrvoje Bogunović

We identify two major limitations in the existing studies on retinal vessel segmentation: (1) Most existing works are restricted to one modality, i.e., the Color Fundus (CF). However, multi-modality retinal images are used every day in the…

Image and Video Processing · Electrical Eng. & Systems 2026-01-01 Bo Wen , Anna Heinke , Akshay Agnihotri , Dirk-Uwe Bartsch , William Freeman , Truong Nguyen , Cheolhong An

Accurate segmentation of the blood vessels of the retina is an important step in clinical diagnosis of ophthalmic diseases. Many deep learning frameworks have come up for retinal blood vessels segmentation tasks. However, the complex…

Image and Video Processing · Electrical Eng. & Systems 2022-04-08 Ting Zhang , Jun Li , Yi Zhao , Nan Chen , Han Zhou , Hongtao Xu , Zihao Guan , Changcai Yang , Lanyan Xue , Riqing Chen , Lifang Wei

The precise detection of blood vessels in retinal images is crucial to the early diagnosis of the retinal vascular diseases, e.g., diabetic, hypertensive and solar retinopathies. Existing works often fail in predicting the abnormal areas,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-23 Jun Wang , Yang Zhao , Linglong Qian , Xiaohan Yu , Yongsheng Gao

The measurement of retinal blood flow (RBF) in capillaries can provide a powerful biomarker for the early diagnosis and treatment of ocular diseases. However, no single modality can determine capillary flowrates with high precision.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Chiao-Yi Wang , Faranguisse Kakhi Sadrieh , Yi-Ting Shen , Shih-En Chen , Sarah Kim , Victoria Chen , Achyut Raghavendra , Dongyi Wang , Osamah Saeedi , Yang Tao

Intracranial aneurysms (IAs) are abnormal dilations of cerebral blood vessels that, if ruptured, can lead to life-threatening consequences. However, their small size and soft contrast in radiological scans often make it difficult to perform…

Image and Video Processing · Electrical Eng. & Systems 2025-08-04 Erin Rainville , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

Manual prescription of the field of view (FOV) by MRI technologists is variable and prolongs the scanning process. Often, the FOV is too large or crops critical anatomy. We propose a deep-learning framework, trained by radiologists'…

Image and Video Processing · Electrical Eng. & Systems 2022-11-10 Ke Lei , Ali B. Syed , Xucheng Zhu , John M. Pauly , Shreyas S. Vasanawala

This paper presents Deep Retinal Image Understanding (DRIU), a unified framework of retinal image analysis that provides both retinal vessel and optic disc segmentation. We make use of deep Convolutional Neural Networks (CNNs), which have…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Kevis-Kokitsi Maninis , Jordi Pont-Tuset , Pablo Arbeláez , Luc Van Gool

Glaucoma is a leading cause of irreversible blindness, but early detection can significantly improve treatment outcomes. Traditional diagnostic methods are often invasive and require specialized equipment. In this work, we present a deep…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Rishiraj Paul Chowdhury , Nirmit Shekar Karkera

With the advancements in medical artificial intelligence (AI), fundus image classifiers are increasingly being applied to assist in ophthalmic diagnosis. While existing classification models have achieved high accuracy on specific fundus…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yuzhuo Zhou , Chi Liu , Sheng Shen , Siyu Le , Liwen Yu , Sihan Ouyang , Zongyuan Ge

Blindness in diabetic patients caused by retinopathy (characterized by an increase in the diameter and new branches of the blood vessels inside the retina) is a grave concern. Many efforts have been made for the early detection of the…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Debojyoti Mallick , Kundan Kumar , Sumanshu Agarwal

Deep learning approaches may help radiologists in the early diagnosis and timely treatment of cerebrovascular diseases. Accurate cerebral vessel segmentation of Time-of-Flight Magnetic Resonance Angiographs (TOF-MRAs) is an essential step…

Image and Video Processing · Electrical Eng. & Systems 2021-01-25 V. de Vos , K. M. Timmins , I. C. van der Schaaf , Y. Ruigrok , B. K. Velthuis , H. J. Kuijf

Radar has shown strong potential for robust perception in autonomous driving; however, raw radar images are frequently degraded by noise and "ghost" artifacts, making object detection based solely on semantic features highly challenging. To…

Robotics · Computer Science 2025-09-23 Shuocheng Yang , Zikun Xu , Jiahao Wang , Shahid Nawaz , Jianqiang Wang , Shaobing Xu