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Most deep learning pipelines for retinal vessel segmentation resize fundus images to satisfy GPU memory constraints and enable uniform batch processing. However, the impact of this resizing on thin vessel detection remains underexplored.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Amarnath R

Medical imaging plays a vital role in modern diagnostics; however, interpreting high-resolution radiological data remains time-consuming and susceptible to variability among clinicians. Traditional image processing techniques often lack the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Melika Filvantorkaman , Maral Filvan Torkaman

Optical coherence tomography (OCT) is used for non-invasive diagnosis of diabetic macular edema assessing the retinal layers. In this paper, we propose a new fully convolutional deep architecture, termed ReLayNet, for end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Abhijit Guha Roy , Sailesh Conjeti , Sri Phani Krishna Karri , Debdoot Sheet , Amin Katouzian , Christian Wachinger , Nassir Navab

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

With development of information technology and necessity for high security, using different identification methods has become very important. Each biometric feature has its own advantages and disadvantages and choosing each of them depends…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Ali Noori

The goal of this paper is to present a new efficient image segmentation method based on evolutionary computation which is a model inspired from human behavior. Based on this model, a four layer process for image segmentation is proposed…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Roohollah Aslanzadeh , Kazem Qazanfari , Mohammad Rahmati

This work aims to research an automatic method for detecting Age-related Macular Degeneration (AMD) lesions in RGB eye fundus images. For this, we align invasively obtained eye fundus contrast images (the "golden standard" diagnostic) to…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Rokas Pečiulis , Mantas Lukoševičius , Algimantas Kriščiukaitis , Robertas Petrolis , Dovilė Buteikienė

A wide range of techniques can be considered for segmentation of images of nanostructured surfaces. Manually segmenting these images is time-consuming and results in a user-dependent segmentation bias, while there is currently no consensus…

Image and Video Processing · Electrical Eng. & Systems 2020-08-31 Steff Farley , Jo E. A. Hodgkinson , Oliver M. Gordon , Joanna Turner , Andrea Soltoggio , Philip J. Moriarty , Eugenie Hunsicker

Objective: Recognizing retinal vessel abnormity is vital to early diagnosis of ophthalmological diseases and cardiovascular events. However, segmentation results are highly influenced by elusive vessels, especially in low-contrast…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Yukun Zhou , Zailiang Chen , Hailan Shen , Xianxian Zheng , Rongchang Zhao , Xuanchu Duan

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 this work, we propose a Neural Architecture Search (NAS) for retinal layer segmentation in Optical Coherence Tomography (OCT) scans. We incorporate the Unet architecture in the NAS framework as its backbone for the segmentation of the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-30 Saba Heidari Gheshlaghi , Omid Dehzangi , Ali Dabouei , Annahita Amireskandari , Ali Rezai , Nasser M Nasrabadi

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Amal Lahchim , Lambros Athanasiou

Purpose Automated segmentation of anatomical structures in medical image analysis is a prerequisite for autonomous diagnosis as well as various computer and robot aided interventions. Recent methods based on deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Max-Heinrich Laves , Jens Bicker , Lüder A. Kahrs , Tobias Ortmaier

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

Automated blood vessel segmentation is vital for biomedical imaging, as vessel changes indicate many pathologies. Still, precise segmentation is difficult due to the complexity of vascular structures, anatomical variations across patients,…

In this paper, a hierarchical image matting model is proposed to extract blood vessels from fundus images. More specifically, a hierarchical strategy utilizing the continuity and extendibility of retinal blood vessels is integrated into the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Zhun Fan , Jiewei Lu , Wenji Li , Caimin Wei , Han Huang , Xinye Cai , Xinjian Chen

Semantic segmentation based on deep learning methods can attain appealing accuracy provided large amounts of annotated samples. However, it remains a challenging task when only limited labelled data are available, which is especially common…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Jinyong Hou , Xuejie Ding , Jeremiah D. Deng

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth. This task, however, is very challenging since manual segmentation is prohibitively time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

This paper presents a method for automatic segmentation, localization, and identification of vertebrae in arbitrary 3D CT images. Many previous works do not perform the three tasks simultaneously even though requiring a priori knowledge of…

Image and Video Processing · Electrical Eng. & Systems 2020-10-01 Naoto Masuzawa , Yoshiro Kitamura , Keigo Nakamura , Satoshi Iizuka , Edgar Simo-Serra

This paper proposes a new framework to detect, segment, and estimate the localization of the eyes from a periocular Near-Infra-Red iris image under alcohol consumption. The purpose of the system is to measure the fitness for duty. Fitness…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Juan Tapia , Enrique Lopez Droguett , Andres Valenzuela , Daniel Benalcazar , Leonardo Causa , Christoph Busch
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