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The retinal vasculature provides important clues in the diagnosis and monitoring of systemic diseases including hypertension and diabetes. The microvascular system is of primary involvement in such conditions, and the retina is the only…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Ali Hatamizadeh , Hamid Hosseini , Niraj Patel , Jinseo Choi , Cameron C. Pole , Cory M. Hoeferlin , Steven D. Schwartz , Demetri Terzopoulos

The main aim of this paper is to propose a color texture classification approach which uses color sensor information and texture features jointly. High accuracy, low noise sensitivity and low computational complexity are specified aims for…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Shervan Fekri-Ershad , Farshad Tajeripour

While texture analysis is largely addressed for images, the comparison of the geometric reliefs on surfaces embedded in the 3D space is still an open challenge. Starting from the Local Binary Pattern (LBP) description originally defined for…

Computational Geometry · Computer Science 2018-05-03 Elia Moscoso Thompson , Silvia Biasotti

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

The retina is the only part of the human body in which blood vessels can be accessed non-invasively using imaging techniques such as digital fundus images (DFI). The spatial distribution of the retinal microvasculature may change with…

Purpose: To investigate the changes in retinal vascular structures associated various stages of myopia by designing automated software based on an artif intelligencemodel. Methods: The study involved 1324 pediatric participants from the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yinzheng Zhao , Zhihao Zhao , Junjie Yang , Li Li , M. Ali Nasseri , Daniel Zapp

Automatic blood vessel segmentation from retinal images plays an important role in the diagnosis of many systemic and eye diseases, including retinopathy of prematurity. Current state-of-the-art research in blood vessel segmentation from…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gorana Gojić , Veljko Petrović , Radovan Turović , Dinu Dragan , Ana Oros , Dušan Gajić , Nebojša Horvat

Human face recognition has been a long standing problem in computer vision and pattern recognition. Facial analysis can be viewed as a two-fold problem, namely (i) facial representation, and (ii) classification. So far, many face…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Mawloud Guermoui , Mohamed L. Mekhalfi

Despite the progress made in the field of medical imaging, it remains a large area of open research, especially due to the variety of imaging modalities and disease-specific characteristics. This paper is a comparative study describing the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-04 Meghana Dinesh Kumar , Morteza Babaie , Shujin Zhu , Shivam Kalra , H. R. Tizhoosh

Retinal artery/vein (A/V) classification is a critical technique for diagnosing diabetes and cardiovascular diseases. Although deep learning based methods achieve impressive results in A/V classification, their performances usually degrade…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Chenxin Li , Yunlong Zhang , Zhehan Liang , Wenao Ma , Yue Huang , Xinghao Ding

In this paper, we present a decision level fused local Morphological Pattern Spectrum(PS) and Local Binary Pattern (LBP) approach for an efficient shape representation and classification. This method makes use of Earth Movers Distance(EMD)…

Computer Vision and Pattern Recognition · Computer Science 2015-04-28 B. H. Shekar , Bharathi Pilar

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

In this paper we target the problem of the retrieval of colour patterns over surfaces. We generalize to surface tessellations the well known Local Binary Pattern (LBP) descriptor for images. The key concept of the LBP is to code the…

Graphics · Computer Science 2018-04-12 Elia Moscoso Thompson , Silvia Biasotti

Real-world applications could benefit from the ability to automatically generate a fine-grained ranking of photo aesthetics. However, previous methods for image aesthetics analysis have primarily focused on the coarse, binary categorization…

Computer Vision and Pattern Recognition · Computer Science 2016-07-28 Shu Kong , Xiaohui Shen , Zhe Lin , Radomir Mech , Charless Fowlkes

Background and Objective: Infra-red scanning laser ophthalmoscope (IRSLO) images are akin to colour fundus photographs in displaying the posterior pole and retinal vasculature fine detail. While there are many trained networks readily…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Adam Threlfall , Samuel Gibbon , James Cameron , Tom MacGillivray

Laser Doppler holography (LDH) is a full-field imaging technique that was recently used in the human eye to reveal blood flow contrasts in the retinal and choroidal vasculature non-invasively, and with high temporal resolution. We here…

Medical Physics · Physics 2020-04-01 L. Puyo , M. Paques , M. Fink , J-A Sahel , M. Atlan

Detecting retinal image analysis, particularly the geometrical features of branching points, plays an essential role in diagnosing eye diseases. However, existing methods used for this purpose often are coarse-level and lack fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hao Wang , Wenhui Zhu , Jiayou Qin , Xin Li , Oana Dumitrascu , Xiwen Chen , Peijie Qiu , Abolfazl Razi

With the development of medical computer-aided diagnostic systems, pulmonary artery-vein(A/V) separation plays a crucial role in assisting doctors in preoperative planning for lung cancer surgery. However, distinguishing arterial from…

Image and Video Processing · Electrical Eng. & Systems 2021-05-31 Lin Pan , Yaoyong Zheng , Liqin Huang , Liuqing Chen , Zhen Zhang , Rongda Fu , Bin Zheng , Shaohua Zheng

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…

Medical Physics · Physics 2019-10-03 Reza Pourreza-Shahri , Meysam Tavakoli , Nasser Kehtarnavaz

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