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The study of the retinal vasculature is a fundamental stage in the screening and diagnosis of many diseases. A complete retinal vascular analysis requires to segment and classify the blood vessels of the retina into arteries and veins…

图像与视频处理 · 电气工程与系统科学 2022-09-21 José Morano , Álvaro S. Hervella , Jorge Novo , José Rouco

Retinal blood vessel segmentation can extract clinically relevant information from fundus images. As manual tracing is cumbersome, algorithms based on Convolution Neural Networks have been developed. Such studies have used small publicly…

图像与视频处理 · 电气工程与系统科学 2024-06-24 Jeremiah Fadugba , Patrick Köhler , Lisa Koch , Petru Manescu , Philipp Berens

Accurate identification of arteries and veins in ultrasound images is crucial for vascular examinations and interventions in robotics-assisted surgeries. However, current methods for ultrasound vessel segmentation face challenges in…

图像与视频处理 · 电气工程与系统科学 2024-08-01 Yimeng Geng , Gaofeng Meng , Mingcong Chen , Guanglin Cao , Mingyang Zhao , Jianbo Zhao , Hongbin Liu

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,…

Retinal vascular segmentation, a widely researched topic in biomedical image processing, aims to reduce the workload of ophthalmologists in treating and detecting retinal disorders. Segmenting retinal vessels presents unique challenges;…

图像与视频处理 · 电气工程与系统科学 2025-01-06 Melaku N. Getahun , Oleg Y. Rogov , Dmitry V. Dylov , Andrey Somov , Ahmed Bouridane , Rifat Hamoudi

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…

图像与视频处理 · 电气工程与系统科学 2023-06-29 Yuanyuan Peng , Pengpeng Luan , Zixu Zhang

Accurate segmentation of cerebral vasculature and a quantitative assessment of cerebrovascular morphology is critical to various diagnostic and therapeutic purposes and is pertinent to studying brain health and disease. However, this is…

定量方法 · 定量生物学 2020-02-27 Aditi Deshpande , Nima Jamilpour , Bin Jiang , Chelsea Kidwell , Max Wintermark , Kaveh Laksari

Vessel segmentation of retinal images is a key diagnostic capability in ophthalmology. This problem faces several challenges including low contrast, variable vessel size and thickness, and presence of interfering pathology such as…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Venkateswararao Cherukuri , Vijay Kumar BG , Raja Bala , Vishal Monga

We present a fully automatic, graph-based technique for extracting the retinal vascular topology -- that is, how different vessels are connected to each other -- given a single color fundus image. Determining this connectivity is very…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Aashis Khanal , Saeid Motevali , Rolando Estrada

Medical image segmentation is a critical process in the field of medical imaging, playing a pivotal role in diagnosis, treatment, and research. It involves partitioning of an image into multiple regions, representing distinct anatomical or…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Charulkumar Chodvadiya , Navyansh Mahla , Kinshuk Gaurav Singh , Kshitij Sharad Jadhav

High fidelity segmentation of both macro and microvascular structure of the retina plays a pivotal role in determining degenerative retinal diseases, yet it is a difficult problem. Due to successive resolution loss in the encoding phase…

图像与视频处理 · 电气工程与系统科学 2021-10-20 Sharif Amit Kamran , Khondker Fariha Hossain , Alireza Tavakkoli , Stewart Lee Zuckerbrod , Kenton M. Sanders , Salah A. Baker

Blood vessel segmentation is crucial for many diagnostic and research applications. In recent years, CNN-based models have leaded to breakthroughs in the task of segmentation, however, such methods usually lose high-frequency information…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Mo Zhang , Fei Yu , Jie Zhao , Li Zhang , Quanzheng Li

Loss functions are error metrics that quantify the difference between a prediction and its corresponding ground truth. Fundamentally, they define a functional landscape for traversal by gradient descent. Although numerous loss functions…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Chaitanya Kaul , Nick Pears , Hang Dai , Roderick Murray-Smith , Suresh Manandhar

The segmentation of the retinal vasculature from eye fundus images represents one of the most fundamental tasks in retinal image analysis. Over recent years, increasingly complex approaches based on sophisticated Convolutional Neural…

图像与视频处理 · 电气工程与系统科学 2020-09-07 Adrian Galdran , André Anjos , José Dolz , Hadi Chakor , Hervé Lombaert , Ismail Ben Ayed

Many studies regarding the vasculature of biological tissues involve the segmentation of the blood vessels in a sample followed by the creation of a graph structure to model the vasculature. The graph is then used to extract relevant…

计算机视觉与模式识别 · 计算机科学 2024-06-21 João Pedro Parella , Matheus Viana da Silva , Cesar Henrique Comin

Retinal artery/vein (A/V) classification plays a critical role in the clinical biomarker study of how various systemic and cardiovascular diseases affect the retinal vessels. Conventional methods of automated A/V classification are…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Wenao Ma , Shuang Yu , Kai Ma , Jiexiang Wang , Xinghao Ding , Yefeng Zheng

Automatic segmentation methods are an important advancement in medical image analysis. Machine learning techniques, and deep neural networks in particular, are the state-of-the-art for most medical image segmentation tasks. Issues with…

图像与视频处理 · 电气工程与系统科学 2021-11-25 Michael Yeung , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

We develop a connection sensitive attention U-Net(CSAU) for accurate retinal vessel segmentation. This method improves the recent attention U-Net for semantic segmentation with four key improvements: (1) connection sensitive loss that…

计算机视觉与模式识别 · 计算机科学 2019-04-24 Ruirui Li , Mingming Li , Jiacheng Li , Yating Zhou

We hypothesize that probabilistic voxel-level classification of anatomy and malignancy in prostate MRI, although typically posed as near-identical segmentation tasks via U-Nets, require different loss functions for optimal performance due…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Anindo Saha , Joeran Bosma , Jasper Linmans , Matin Hosseinzadeh , Henkjan Huisman

Segmentation of medical images is a fundamental task with numerous applications. While MRI, CT, and PET modalities have significantly benefited from deep learning segmentation techniques, more recent modalities, like functional ultrasound…

图像与视频处理 · 电气工程与系统科学 2025-07-24 Hana Sebia , Thomas Guyet , Mickaël Pereira , Marco Valdebenito , Hugues Berry , Benjamin Vidal