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Related papers: A Retinal Image Enhancement Technique for Blood Ve…

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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…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Eric Shah , Jay Patel , Mr. Vishal Katheriya , Parth Pataliya

Optical coherence tomography angiography (OCTA) is a novel noninvasive imaging modality for visualization of retinal blood flow in the human retina. Using specific OCTA imaging biomarkers for the identification of pathologies, automated…

Image and Video Processing · Electrical Eng. & Systems 2025-04-09 Anna Breger , Felix Goldbach , Bianca S. Gerendas , Ursula Schmidt-Erfurth , Martin Ehler

In the last 15 years, the segmentation of vessels in retinal images has become an intensively researched problem in medical imaging, with hundreds of algorithms published. One of the de facto benchmarking data sets of vessel segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 György Kovács , Attila Fazekas

Existing methods to reconstruct vascular structures from a computed tomography (CT) angiogram rely on injection of intravenous contrast to enhance the radio-density within the vessel lumen. However, pathological changes can be present in…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

Vision impairment due to pathological damage of the retina can largely be prevented through periodic screening using fundus color imaging. However the challenge with large scale screening is the inability to exhaustively detect fine blood…

Machine Learning · Computer Science 2016-03-16 Debapriya Maji , Anirban Santara , Pabitra Mitra , Debdoot Sheet

This paper presents a super-efficient spatially adaptive contrast enhancement algorithm for enhancing infrared (IR) radiation based superficial vein images in real-time. The super-efficiency permits the algorithm to run in consumer-grade…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 A. M. R. R. Bandara , K. A. S. H. Kulathilake , P. W. G. R. M. P. B. Giragama

Retinal vascular morphology is crucial for diagnosing diseases such as diabetes, glaucoma, and hypertension, making accurate segmentation of retinal vessels essential for early intervention. Traditional segmentation methods assume that…

Image and Video Processing · Electrical Eng. & Systems 2025-07-22 Bo Liu , Yudong Zhang , Shuihua Wang , Siyue Li , Jin Hong

Structural changes in retinal blood vessels are critical biomarkers for the onset and progression of glaucoma and other ocular diseases. However, current vessel segmentation approaches largely rely on supervised learning and extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Cheng Huang , Weizheng Xie , Fan Gao , Yutong Liu , Ruoling Wu , Zeyu Han , Jingxi Qiu , Xiangxiang Wang , Zhenglin Yang , Hao Wang , Yongbin Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2017-02-03 Jen Hong Tan , U. Rajendra Acharya , Sulatha V. Bhandary , Kuang Chua Chua , Sobha Sivaprasad

We identify and address three research gaps in the field of vessel segmentation for funduscopy. The first focuses on the task of inference on high-resolution fundus images for which only a limited set of ground-truth data is publicly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Tim Laibacher , André Anjos

Blood vessel segmentation and -tracing are essential tasks in many medical imaging applications. Although numerous methods exist, the prevailing segment-then-fix paradigm is fundamentally limited regarding its suitability for modeling the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Rajalakshmi Palaniappan , Christoph Karg , Nemesio Navarro-Arambula , Peter Hirsch , Kristin Kraeker , Lisa Mais , Dagmar Kainmueller

We present a pulmonary vessel segmentation algorithm, which is fast, fully automatic and robust. It uses a coarse segmentation of the airway tree and a left and right lung labeled volume to restrict a vessel enhancement filter, based on an…

Computer Vision and Pattern Recognition · Computer Science 2013-04-29 M. Helmberger , M. Urschler , M. Pienn , Z. Balint , A. Olschewski , H. Bischof

The precise delineation of blood vessels in medical images is critical for many clinical applications, including pathology detection and surgical planning. However, fully-automated vascular segmentation is challenging because of the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Amine Sadikine , Bogdan Badic , Enzo Ferrante , Vincent Noblet , Pascal Ballet , Dimitris Visvikis , Pierre-Henri Conze

We present a cascade deep neural network to segment retinal vessels in volumetric optical coherence tomography (OCT). Two types of knowledge are infused into the network for confining the searching regions. (1) Histology. The retinal…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Liyang Fang , Jianlong Yang , Lei Mou , Huihong Zhang , Zhenjie Chai , Zhi Chen , Jiang Liu

Many deep learning based methods have been proposed for retinal vessel segmentation, however few of them focus on the connectivity of segmented vessels, which is quite important for a practical computer-aided diagnosis system on retinal…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Rui Xu , Tiantian Liu , Xinchen Ye , Yen-Wei Chen

Retinal fundus images provide valuable insights into the human eye's interior structure and crucial features, such as blood vessels, optic disk, macula, and fovea. However, accurate segmentation of retinal blood vessels can be challenging…

Image and Video Processing · Electrical Eng. & Systems 2025-06-24 Atifa Kalsoom , M. A. Iftikhar , Amjad Ali , Zubair Shah , Shidin Balakrishnan , Hazrat Ali

We propose a new deep learning approach for automatic detection and segmentation of fluid within retinal OCT images. The proposed framework utilizes both ResNet and Encoder-Decoder neural network architectures. When training the network, we…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Dustin Morley , Hassan Foroosh , Saad Shaikh , Ulas Bagci

Background and Objective: In the realm of ophthalmic imaging, accurate vascular segmentation is paramount for diagnosing and managing various eye diseases. Contemporary deep learning-based vascular segmentation models rival human accuracy…

Image and Video Processing · Electrical Eng. & Systems 2026-04-21 Zhihao Zhao , Yinzheng Zhao , Junjie Yang , Quanmin Liang , Daniel Zapp , Kai Huang , M. Ali Nasseri

In ophthalmology, the study of the retinal microcirculation is a key issue in the analysis of many ocular and systemic diseases, like hypertension or diabetes. This motivates the research on improving the retinal vasculature segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 José Morano , Álvaro S. Hervella , Noelia Barreira , Jorge Novo , José Rouco

Accurately segmenting blood vessels in retinal fundus images is crucial in the early screening, diagnosing, and evaluating some ocular diseases, yet it poses a nontrivial uncertainty for the segmentation task due to various factors such as…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Yuanyuan Peng , Pengpeng Luan , Zixu Zhang
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