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Purpose: Segmentation of liver vessels from CT images is indispensable prior to surgical planning and aroused broad range of interests in the medical image analysis community. Due to the complex structure and low contrast background,…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Mian Wu , Yinling Qian , Xiangyun Liao , Qiong Wang , Pheng-Ann Heng

For compression fracture detection and evaluation, an automatic X-ray image segmentation technique that combines deep-learning and level-set methods is proposed. Automatic segmentation is much more difficult for X-ray images than for CT or…

Medical Physics · Physics 2019-04-17 Kang Cheol Kim , Hyun Cheol Cho , Tae Jun Jang , Jong Mun Choi , Jin Keun Seo

Purpose: Interpreting chest radiographs (CXR) remains challenging due to the ambiguity of overlapping structures such as the lungs, heart, and bones. To address this issue, we propose a novel method for extracting fine-grained anatomical…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Constantin Seibold , Alexander Jaus , Matthias A. Fink , Moon Kim , Simon Reiß , Ken Herrmann , Jens Kleesiek , Rainer Stiefelhagen

Explainability of decisions made by deep neural networks is of high value as it allows for validation and improvement of models. This work proposes an approach to explain semantic segmentation networks by means of layer-wise relevance…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Grzegorz Chlebus , Nasreddin Abolmaali , Andrea Schenk , Hans Meine

Applications of ultrasound images have expanded from fetal imaging to abdominal and cardiac diagnosis. Liver-being the largest gland in the body and responsible for metabolic activities requires to be to be diagnosed and therefore subject…

Image and Video Processing · Electrical Eng. & Systems 2020-01-27 Md Abdul Mutalab Shaykat , Yashna Islam , Mohammad Ishtiaque Hossain

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…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Sevin Samadi

One of the first steps in the diagnosis of most cardiac diseases, such as pulmonary hypertension, coronary heart disease is the segmentation of ventricles from cardiac magnetic resonance (MRI) images. Manual segmentation of the right…

Image and Video Processing · Electrical Eng. & Systems 2019-08-22 Yaman Dang , Deepak Anand , Amit Sethi

$\bf{Purpose:}$ The goal of this study was (i) to use artificial intelligence to automate the traditionally labor-intensive process of manual segmentation of tumor regions in pathology slides performed by a pathologist and (ii) to validate…

Quantitative computed tomography (QCT) is a standard method to determine bone mineral density (BMD) in the spine. Traditionally single 8 - 10 mm thick slices have been analyzed only. Current spiral CT scanners provide true 3D acquisition…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Andre Mastmeyer , Klaus Engelke , Christina Fuchs , Willi Kalender

While laparoscopic liver resection is less prone to complications and maintains patient outcomes compared to traditional open surgery, its complexity hinders widespread adoption due to challenges in representing the liver's internal…

Image and Video Processing · Electrical Eng. & Systems 2024-10-11 Karl-Philippe Beaudet , Alexandros Karargyris , Sidaty El Hadramy , Stéphane Cotin , Jean-Paul Mazellier , Nicolas Padoy , Juan Verde

In this article, we present a graph-based method using a cubic template for volumetric segmentation of vertebrae in magnetic resonance imaging (MRI) acquisitions. The user can define the degree of deviation from a regular cube via a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-19 Robert Schwarzenberg , Bernd Freisleben , Christopher Nimsky , Jan Egger

Organ segmentation is a fundamental task in medical imaging since it is useful for many clinical automation pipelines. However, some tasks do not require full segmentation. Instead, a classifier can identify the selected organ without…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Halid Ziya Yerebakan , Yoshihisa Shinagawa , Gerardo Hermosillo Valadez

Automatic detection of liver lesions in CT images poses a great challenge for researchers. In this work we present a deep learning approach that models explicitly the variability within the non-lesion class, based on prior knowledge of the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Maayan Frid-Adar , Idit Diamant , Eyal Klang , Michal Amitai , Jacob Goldberger , Hayit Greenspan

Using radiological scans to identify liver tumors is crucial for proper patient treatment. This is highly challenging, as top radiologists only achieve F1 scores of roughly 80% (hepatocellular carcinoma (HCC) vs. others) with only moderate…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Bolin Lai , Yuhsuan Wu , Xiaoyu Bai , Xiao-Yun Zhou , Peng Wang , Jinzheng Cai , Yuankai Huo , Lingyun Huang , Yong Xia , Jing Xiao , Le Lu , Heping Hu , Adam Harrison

Segmentation of the left ventricle in cardiac magnetic resonance imaging MRI scans enables cardiologists to calculate the volume of the left ventricle and subsequently its ejection fraction. The ejection fraction is a measurement that…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Garvit Chhabra , J. H. Gagan , J. R. Harish Kumar

We present an automatic COVID1-19 diagnosis framework from lung CT-scan slice images. In this framework, the slice images of a CT-scan volume are first proprocessed using segmentation techniques to filter out images of closed lung, and to…

Image and Video Processing · Electrical Eng. & Systems 2021-10-05 Weijun Tan , Jingfeng Liu

Tubular structure segmentation in medical images, e.g., segmenting vessels in CT scans, serves as a vital step in the use of computers to aid in screening early stages of related diseases. But automatic tubular structure segmentation in CT…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yan Wang , Xu Wei , Fengze Liu , Jieneng Chen , Yuyin Zhou , Wei Shen , Elliot K. Fishman , Alan L. Yuille

Metabolic health is increasingly implicated as a risk factor across conditions from cardiology to neurology, and efficiency assessment of body composition is critical to quantitatively characterizing these relationships. 2D low dose single…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Xin Yu , Yucheng Tang , Qi Yang , Ho Hin Lee , Riqiang Gao , Shunxing Bao , Ann Zenobia Moore , Luigi Ferrucci , Bennett A. Landman

Image segmentation is a fundamental problem in medical image analysis. In recent years, deep neural networks achieve impressive performances on many medical image segmentation tasks by supervised learning on large manually annotated data.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Ling Zhang , Vissagan Gopalakrishnan , Le Lu , Ronald M. Summers , Joel Moss , Jianhua Yao

KiTs19 challenge paves the way to haste the improvement of solid kidney tumor semantic segmentation methodologies. Accurate segmentation of kidney tumor in computer tomography (CT) images is a challenging task due to the non-uniform motion,…

Image and Video Processing · Electrical Eng. & Systems 2019-08-12 D. Sabarinathan , M. Parisa Beham , S. M. Md. Mansoor Roomi
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