140 Hits in 11.1 sec

The Liver Tumor Segmentation Benchmark (LiTS) [article]

Patrick Bilic, Patrick Ferdinand Christ, Eugene Vorontsov, Grzegorz Chlebus, Hao Chen, Qi Dou, Chi-Wing Fu, Xiao Han, Pheng-Ann Heng, Jürgen Hesser, Samuel Kadoury, Tomasz Konopczyǹski (+44 others)
2019 arXiv   pre-print
Twenty four valid state-of-the-art liver and liver tumor segmentation algorithms were applied to a set of 131 computed tomography (CT) volumes with different types of tumor contrast levels (hyper-/hypo-intense  ...  In this work, we report the set-up and results of the Liver Tumor Segmentation Benchmark (LITS) organized in conjunction with the IEEE International Symposium on Biomedical Imaging (ISBI) 2016 and International  ...  constraints [99] , and fuzzy c-means clustering on manual selected slices with segmentation refinement using hidden markov measure field models [100] .  ... 
arXiv:1901.04056v1 fatcat:25ekt2znl5adnd5laap4ez6a4y

Artificial Intelligence in Quantitative Ultrasound Imaging: A Review [article]

Boran Zhou, Xiaofeng Yang, Tian Liu
2020 arXiv   pre-print
Therefore, it is in great need to develop automatic method to improve the imaging quality and aid in measurements in QUS.  ...  Despite its safety and efficacy, QUS suffers from several major drawbacks: poor imaging quality, inter- and intra-observer variability which hampers the reproducibility of measurements.  ...  Hu et al. proposed to combine a dilated fully convolutional network (DFCN) with a phase-based active contour model for automatic tumor segmentation in BUS images [140] .  ... 
arXiv:2003.11658v1 fatcat:iujuh7gra5ax7od2gxoo6yrbpe

Metastatic liver tumour segmentation from discriminant Grassmannian manifolds

Samuel Kadoury, Eugene Vorontsov, An Tang
2015 Physics in Medicine and Biology  
The early detection, diagnosis and monitoring of liver cancer progression can be achieved with the precise delineation of metastatic tumours.  ...  First, the framework learns within-class and between-class similarity distributions from a training set of images to discover the optimal manifold discrimination between normal and pathological tissue  ...  Nadine Abi-Jaoudeh from the National Institutes of Health for providing liver CT images. Research funding was supported in part by the Canada Research  ... 
doi:10.1088/0031-9155/60/16/6459 pmid:26247117 fatcat:zjdhad2ssjeg7hmgjqjca5qp4q

Liver tumor segmentation in CT volumes using an adversarial densely connected network

Lei Chen, Hong Song, Chi Wang, Yutao Cui, Jian Yang, Xiaohua Hu, Le Zhang
2019 BMC Bioinformatics  
one patient to another, automatic liver tumor segmentation is still a difficult task.  ...  However, because of the noise existed in the scan sequence and the similar pixel intensity of liver tumors with their surrounding tissues, besides, the size, position and shape of tumors also vary from  ...  [1] proposed a unified level set method (LSM) for liver tumor segmentation. They used local pixel intensity clustering combined with hidden Markov random field to construct a unified LSM.  ... 
doi:10.1186/s12859-019-3069-x pmid:31787071 pmcid:PMC6886252 fatcat:2pfk7enaerdpbo65vgrsbosutq

Evaluation of semiautomated quantification of cranial ultrasound images in newborns as a predictor of Neonatal Behavioral Assessment Scale

E. Bonet-Carne, V. Tenorio, F. Figueras, E. Gratacos, I. Amat-Roldan
2011 2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro  
doi:10.1109/isbi.2011.5872350 dblp:conf/isbi/Bonet-CarneTFGA11 fatcat:hz26tx4dmzbbnefruo7eh5jrbm

The Multimodal Brain Tumor Image Segmentation Benchmark (BRATS)

Bjoern H. Menze, Andras Jakab, Stefan Bauer, Jayashree Kalpathy-Cramer, Keyvan Farahani, Justin Kirby, Yuliya Burren, Nicole Porz, Johannes Slotboom, Roland Wiest, Levente Lanczi, Elizabeth Gerstner (+56 others)
2015 IEEE Transactions on Medical Imaging  
approach Yes Doyle Hidden Markov fields and variational EM in a generative model Yes Festa Random forest classifier using neighborhood and local context features Yes Guo Semi-automatic segmentation  ...  DOYLE, VASSEUR, DOJAT & FORBES (2013): FULLY AUTOMATIC BRAIN TUMOR SEGMENTATION FROM MULTIPLE MR SEQUENCES USING HIDDEN MARKOV FIELDS AND VARIATIONAL EM Algorithm and Data: We propose an adaptive scheme  ... 
doi:10.1109/tmi.2014.2377694 pmid:25494501 pmcid:PMC4833122 fatcat:csrnfqc4i5eilh7wk5howvpr4u

Deep Learning Initialized and Gradient Enhanced Level-set Based Segmentation for Liver Tumor from CT Images

Yue Zhang, Benxiang Jiang, Jiong Wu, Dongcen Ji, Yilong Liu, Yifan Chen, Ed X. Wu, Xiaoying Tang
2020 IEEE Access  
In this paper, we propose and validate a novel level-set method integrating an enhanced edge indicator and an automatically derived initial curve for CT based liver tumor segmentation.  ...  Liver and liver tumor segmentation provides vital biomarkers for surgical planning and hepatic diagnosis.  ...  Häme et al. presented a semi-automatic tumor segmentation scheme based on non-parametric intensity distribution estimation and a hidden Markov field model [21] .  ... 
doi:10.1109/access.2020.2988647 fatcat:n6hdm2mptje7bbx3aphlmuss2e

Quantification of ultrasonic texture intra-heterogeneity via volumetric stochastic modeling for tissue characterization

Omar S. Al-Kadi, Daniel Y.F. Chung, Robert C. Carlisle, Constantin C. Coussios, J. Alison Noble
2015 Medical Image Analysis  
In the case of ultrasound, the Nakagami distribution is a general model of the ultrasonic backscattering envelope under various scattering conditions and densities where it can be employed for characterizing  ...  Experimental results on real 3D ultrasonic pre-clinical and clinical datasets suggest that describing tumor intra-heterogeneity via this descriptor may facilitate improved prediction of therapy response  ...  Acknowledgments This work was support by the Engineering and Physical Sciences Research Council and Wellcome Trust Grant WT 088877/Z/09/Z.  ... 
doi:10.1016/ pmid:25595523 pmcid:PMC4339203 fatcat:b7jhseyhardihpa3mz4q5mjrde

Ultrasound image segmentation: a survey

J.A. Noble, D. Boukerroui
2006 IEEE Transactions on Medical Imaging  
First, we present a review of articles by clinical application to highlight the approaches that have been investigated and degree of validation that has been done in different clinical domains.  ...  This paper reviews ultrasound segmentation methods, in a broad sense, focusing on techniques developed for medical -mode ultrasound images.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their thoughtful suggestions on how best to present this review, and the authors (too many to name in person) who kindly provided  ... 
doi:10.1109/tmi.2006.877092 pmid:16894993 fatcat:wtt6igy2ozhjtbnsizi6qtosn4

Biomedical Image Segmentation: A Survey

Yahya Alzahrani, Boubakeur Boufama
2021 SN Computer Science  
Medical Image Segmentation is the process of segmenting and detecting boundaries of anatomical structures in various types of 2D and 3D-medical images.  ...  Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.  ...  Markov Random Field (MRF) Models MRFs are undirected graphical models that have been used widely in image segmentation and image restoration, since they can preserve edges by parameter estimation.  ... 
doi:10.1007/s42979-021-00704-7 fatcat:ukiglrr5orfplcea7gy4jzqqca

Machine learning and radiology

Shijun Wang, Ronald M. Summers
2012 Medical Image Analysis  
We focused on six categories of applications in radiology: medical image segmentation, registration, computer aided detection and diagnosis, brain function or activity analysis and neurological disease  ...  Machine learning identifies complex patterns automatically and helps radiologists make intelligent decisions on radiology data such as conventional radiographs, CT, MRI, and PET images and radiology reports  ...  For example, Zhang et al. utilized a hidden Markov random field model and the expectation-maximization algorithm to solve the segmentation problem of brain MR images .  ... 
doi:10.1016/ pmid:22465077 pmcid:PMC3372692 fatcat:4ynexgzdhrev7dfqapmjpxexuu

Interactive Volumetry Of Liver Ablation Zones

Jan Egger, Harald Busse, Philipp Brandmaier, Daniel Seider, Matthias Gawlitza, Steffen Strocka, Philip Voglreiter, Mark Dokter, Michael Hofmann, Bernhard Kainz, Alexander Hann, Xiaojun Chen (+4 others)
2015 Scientific Reports  
Within this study, the RF ablation zones from twelve post-interventional CT acquisitions have been segmented semi-automatically to support the visual inspection.  ...  The results show that the proposed tool provides lesion segmentation with sufficient accuracy much faster than manual segmentation.  ...  To achieve this, they introduced a semi-automatic liver tumor segmentation approach with a hidden Markov measure field model and a non-parametric distribution estimation.  ... 
doi:10.1038/srep15373 pmid:26482818 pmcid:PMC4612735 fatcat:63bihgy4gzderg3txj3ozwqpka

Kidney segmentation in renal magnetic resonance imaging – current status and prospects

Frank G. Zollner, Marek Kocinski, Laura Hansen, Alena-Kathrin Golla, Amira Serifovic Trbalic, Arvid Lundervold, Andrzej Materka, Peter Rogelj
2021 IEEE Access  
Parametric or non-parametric geometrical models are used in this category of segmentation techniques.  ...  combinations of discrete Gaussians (LCDG) intensity estimation model, a second-order pair-wise Potts-Markov-Gibbs random field (MGRF) spatial interaction model, and a weighted probabilistic shape prior  ...  Her research interest lie in the fields of image processing and deep learning.  ... 
doi:10.1109/access.2021.3078430 fatcat:lmzeqqaf4jcahgzk2p5t45qroi

Computer-Aided Diagnosis Systems for Lung Cancer: Challenges and Methodologies

Ayman El-Baz, Garth M. Beache, Georgy Gimel'farb, Kenji Suzuki, Kazunori Okada, Ahmed Elnakib, Ahmed Soliman, Behnoush Abdollahi
2013 International Journal of Biomedical Imaging  
A typical CAD system for lung cancer diagnosis is composed of four main processing steps: segmentation of the lung fields, detection of nodules inside the lung fields, segmentation of the detected nodules  ...  , and diagnosis of the nodules as benign or malignant.  ...  [166, 167] used the Bhattacharya distance-based classification with a GGO intensity distribution modeled by the non-parametric KDE. Tao et al.  ... 
doi:10.1155/2013/942353 pmid:23431282 pmcid:PMC3570946 fatcat:4kcqhbezknh6tps6wv2zgl77xy

Kidney Tumor Semantic Segmentation Using Deep Learning: A Survey of State-of-the-Art

Abubaker Abdelrahman, Serestina Viriri
2022 Journal of Imaging  
Some difficulties with manual segmentation have necessitated the use of deep learning models to assist clinicians in effectively recognizing and segmenting tumors.  ...  Simultaneously, researchers in the field of medical image segmentation employ DL approaches to solve problems such as tumor segmentation, cell segmentation, and organ segmentation.  ...  Among the different bias field correction strategies are the non-parametric non-uniform normalization (N3) approach [105] .  ... 
doi:10.3390/jimaging8030055 pmid:35324610 pmcid:PMC8954467 fatcat:7dhh3zwk5zcmpe3ijzbgpmo4ze
« Previous Showing results 1 — 15 out of 140 results