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Organ at risk (OAR) segmentation in computed tomography (CT) imagery is a difficult task for automated segmentation methods and can be crucial for downstream radiation treatment planning. U-net has become a de-facto standard for medical…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Abdullah Nazib , Riad Hassan , Zahidul Islam , Clinton Fookes

Human veins are important for carrying the blood from the body-parts to the heart. The improper functioning of the human veins may arise from several venous diseases. Varicose vein is one such disease wherein back flow of blood can occur,…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Maryam Viqar , Violeta Madjarova , Vipul Baghel , Elena Stoykova

We propose an encoder-decoder framework for the segmentation of blood vessels in retinal images that relies on the extraction of large-scale patches at multiple image-scales during training. Experiments on three fundus image datasets…

图像与视频处理 · 电气工程与系统科学 2020-11-26 Björn Browatzki , Jörn-Philipp Lies , Christian Wallraven

Segmentation of blood vessels in retinal images provides early diagnosis of diseases like glaucoma, diabetic retinopathy and macular degeneration. Among these diseases occurrence of Glaucoma is most frequent and has serious ocular…

计算机视觉与模式识别 · 计算机科学 2012-09-07 Nilanjan Dey , Anamitra Bardhan Roy , Moumita Pal , Achintya Das

Accurate hepatic vessel segmentation on ultrasound (US) images can be an important tool in the planning and execution of surgery, however proves to be a challenging task due to noise and speckle. Our method comprises a reduced filter 3D…

Deep neural networks have been widely used in medical image analysis and medical image segmentation is one of the most important tasks. U-shaped neural networks with encoder-decoder are prevailing and have succeeded greatly in various…

图像与视频处理 · 电气工程与系统科学 2023-06-09 Juntao Jiang , Xiyu Chen , Guanzhong Tian , Yong Liu

The appearance and structure of blood vessels in retinal images have an important role in diagnosis of diseases. This paper proposes a method for automatic retinal vessel segmentation. In this work, a novel preprocessing based on local…

计算机视觉与模式识别 · 计算机科学 2013-12-31 Saeid Fazli , Sevin Samadi

Vessel segmentation in fundus is a key diagnostic capability in ophthalmology, and there are various challenges remained in this essential task. Early approaches indicate that it is often difficult to obtain desirable segmentation…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Shaoming Zheng , Tianyang Zhang , Jiawei Zhuang , Hao Wang , Jiang Liu

The retinal vascular condition is a reliable biomarker of several ophthalmologic and cardiovascular diseases, so automatic vessel segmentation may be crucial to diagnose and monitor them. In this paper, we propose a novel method that…

图像与视频处理 · 电气工程与系统科学 2018-12-21 Américo Oliveira , Sérgio Pereira , Carlos A. Silva

Vascular segmentation extracts blood vessels from images and serves as the basis for diagnosing various diseases, like ophthalmic diseases. Ophthalmologists often require high-resolution segmentation results for analysis, which leads to…

图像与视频处理 · 电气工程与系统科学 2022-07-29 Yan Hu , Zhongxi Qiu , Dan Zeng , Li Jiang , Chen Lin , Jiang Liu

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

Segmentation of retinal vessel images is critical to the diagnosis of retinopathy. Recently, convolutional neural networks have shown significant ability to extract the blood vessel structure. However, it remains challenging to refined…

图像与视频处理 · 电气工程与系统科学 2022-02-22 Geng-Xin Xu , Chuan-Xian Ren

Learning neural networks using only few available information is an important ongoing research topic with tremendous potential for applications. In this paper, we introduce a powerful regularizer for the variational modeling of inverse…

机器学习 · 计算机科学 2023-05-17 Fabian Altekrüger , Alexander Denker , Paul Hagemann , Johannes Hertrich , Peter Maass , Gabriele Steidl

Accurate lesion segmentation is crucial for clinical diagnosis and treatment planning. However, lesions often resemble surrounding tissues and exhibit ill-defined boundaries, leading to unstable predictions in boundary/transition regions.…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Shuokun Cheng , Jinghao Shi , Kun Sun

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…

图像与视频处理 · 电气工程与系统科学 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

Segmentation of macro and microvascular structures in fundoscopic retinal images plays a crucial role in the detection of multiple retinal and systemic diseases, yet it is a difficult problem to solve. Most neural network approaches face…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Shikhar Mohan , Saumik Bhattacharya , Sayantari Ghosh

U-net is an image segmentation technique developed primarily for medical image analysis that can precisely segment images using a scarce amount of training data. These traits provide U-net with a very high utility within the medical imaging…

图像与视频处理 · 电气工程与系统科学 2021-06-10 Nahian Siddique , Paheding Sidike , Colin Elkin , Vijay Devabhaktuni

Organ segmentation in CT volumes is an important pre-processing step in many computer assisted intervention and diagnosis methods. In recent years, convolutional neural networks have dominated the state of the art in this task. However,…

图像与视频处理 · 电气工程与系统科学 2020-08-25 Roger D. Soberanis-Mukul , Nassir Navab , Shadi Albarqouni

To achieve an accurate assessment of root canal therapy, a fundamental step is to perform tooth root segmentation on oral X-ray images, in that the position of tooth root boundary is significant anatomy information in root canal therapy…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Yunxiang Li , Shuai Wang , Jun Wang , Guodong Zeng , Wenjun Liu , Qianni Zhang , Qun Jin , Yaqi Wang

The automatic segmentation of blood vessels in fundus images can help analyze the condition of retinal vasculature, which is crucial for identifying various systemic diseases like hypertension, diabetes, etc. Despite the success of Deep…

图像与视频处理 · 电气工程与系统科学 2023-04-26 Ashish Kumar , R. K. Agrawal , Leve Joseph