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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…

Image and Video Processing · Electrical Eng. & Systems 2022-07-29 Yan Hu , Zhongxi Qiu , Dan Zeng , Li Jiang , Chen Lin , Jiang Liu

X-ray is one of the prevalent image modalities for the detection and diagnosis of the human body. X-ray provides an actual anatomical structure of an organ present with disease or absence of disease. Segmentation of disease in chest X-ray…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 Nand Lal Yadav , Satyendra Singh , Rajesh Kumar , Sudhakar Singh

In the field of image analysis, segmentation is one of the most important preprocessing steps. One way to achieve segmentation is by mean of threshold selection, where each pixel that belongs to a determined class islabeled according to the…

Computer Vision and Pattern Recognition · Computer Science 2014-05-30 Valentín Osuna-Enciso , Erik Cuevas , Humberto Sossa

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

We aim to improve segmentation through the use of machine learning tools during region agglomeration. We propose an active learning approach for performing hierarchical agglomerative segmentation from superpixels. Our method combines…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Juan Nunez-Iglesias , Ryan Kennedy , Toufiq Parag , Jianbo Shi , Dmitri B. Chklovskii

This paper introduces a Bayesian image segmentation algorithm based on finite mixtures. An EM algorithm is developed to estimate parameters of the Gaussian mixtures. The finite mixture is a flexible and powerful probabilistic modeling tool.…

Computer Vision and Pattern Recognition · Computer Science 2012-04-10 Mohamed Ali Mahjoub , karim kalti

Retinal imaging serves as a valuable tool for diagnosis of various diseases. However, reading retinal images is a difficult and time-consuming task even for experienced specialists. The fundamental step towards automated retinal image…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Liangzhi Li , Manisha Verma , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara

Efficient and easy segmentation of images and volumes is of great practical importance. Segmentation problems that motivate our approach originate from microscopy imaging commonly used in materials science, medicine, and biology. We…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Vedrana Andersen Dahl , Monica Jane Emerson , Camilla Himmelstrup Trinderup , Anders Bjorholm Dahl

A finite element-based image segmentation strategy enhanced by an anisotropic mesh adaptation procedure is presented. The methodology relies on a split Bregman algorithm for the minimisation of a region-based energy functional and on an…

Numerical Analysis · Mathematics 2022-07-14 Matteo Giacomini , Simona Perotto

The segmentation and classification of cardiac magnetic resonance imaging are critical for diagnosing heart conditions, yet current approaches face challenges in accuracy and generalizability. In this study, we aim to further advance the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Vitalii Slobodzian , Pavlo Radiuk , Oleksander Barmak , Iurii Krak

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

Chest radiography is an effective screening tool for diagnosing pulmonary diseases. In computer-aided diagnosis, extracting the relevant region of interest, i.e., isolating the lung region of each radiography image, can be an essential step…

Image and Video Processing · Electrical Eng. & Systems 2022-02-23 Hilda Azimi , Jianxing Zhang , Pengcheng Xi , Hala Asad , Ashkan Ebadi , Stephane Tremblay , Alexander Wong

In image processing, a segmentation is a process of partitioning an image into multiple sets of pixels, that are defined as super-pixels. Each super-pixel is characterized by a label or parameter. Here, we are proposing a method for…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Amelia Carolina Sparavigna

In recent years, research has highlighted the association between increased adipose tissue surrounding the human heart and elevated susceptibility to cardiovascular diseases such as atrial fibrillation and coronary heart disease. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Guilherme Santos da Silva , Dalcimar Casanova , Jefferson Tales Oliva , Erick Oliveira Rodrigues

Rapid growth in the field of quantitative digital image analysis is paving the way for researchers to make precise measurements about objects in an image. To compute quantities from the image such as the density of compressed materials or…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Marylesa Howard , Margaret C. Hock , B. T. Meehan , Leora Dresselhaus-Cooper

Segmentation of the coronary artery is an important task for the quantitative analysis of coronary computed tomography angiography (CCTA) images and is being stimulated by the field of deep learning. However, the complex structures with…

Image and Video Processing · Electrical Eng. & Systems 2023-05-09 Xiaoyu Yang , Lijian Xu , Simon Yu , Qing Xia , Hongsheng Li , Shaoting Zhang

Multi-view echocardiographic sequences segmentation is crucial for clinical diagnosis. However, this task is challenging due to limited labeled data, huge noise, and large gaps across views. Here we propose a recurrent aggregation learning…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Ming Li , Weiwei Zhang , Guang Yang , Chengjia Wang , Heye Zhang , Huafeng Liu , Wei Zheng , Shuo Li

In recent years, several automatic segmentation methods have been proposed for blood vessels in retinal fundus images, ranging from using cheap and fast trainable filters to complicated neural networks and even deep learning. One example of…

Image and Video Processing · Electrical Eng. & Systems 2019-05-30 Michiel Straat , Jorrit Oosterhof

Intravascular Ultrasound (IVUS) is an intra-operative imaging modality that facilitates observing and appraising the vessel wall structure of the human coronary arteries. Segmentation of arterial wall boundaries from the IVUS images is not…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Mehdi Faraji , Irene Cheng , Iris Naudin , Anup Basu

Methods that are resilient to artifacts in the cardiac magnetic resonance imaging (MRI) while performing ventricle segmentation, are crucial for ensuring quality in structural and functional analysis of those tissues. While there has been…

Image and Video Processing · Electrical Eng. & Systems 2022-09-21 Carles Garcia-Cabrera , Eric Arazo , Kathleen M. Curran , Noel E. O'Connor , Kevin McGuinness