<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This work discusses fully automated extraction of brain tumor and edema in 3D MR volumes. The goal of this work is the extraction of the whole pathological area using such an algorithm that does not require a human intervention. For the good visibility of these kinds of tissues both T2-weighted and FLAIR images were used. The proposed method was tested on 80 MR volumes of publicly available BRATS database, which contains high and low grade gliomas, both real and simulated. The performance was evaluated by the Dice coefficient, where the results were differentiated between high and low grade and real and simulated gliomas. The method reached promising results for all of the combinations of images: real high grade (0.73 ± 0.20), real low grade (0.81 ± 0.06), simulated high grade (0.81 ± 0.14), and simulated low grade (0.81 ± 0.04).</p></abstract>

This work discusses fully automated extraction of brain tumor and edema in 3D MR volumes. The goal of this work is the extraction of the whole pathological area using such an algorithm that does not require a human intervention. For the good visibility of these kinds of tissues both T2-weighted and FLAIR images were used. The proposed method was tested on 80 MR volumes of publicly available BRATS database, which contains high and low grade gliomas, both real and simulated. The performance was evaluated by the Dice coefficient, where the results were differentiated between high and low grade and real and simulated gliomas. The method reached promising results for all of the combinations of images: real high grade (0.73 ± 0.20), real low grade (0.81 ± 0.06), simulated high grade (0.81 ± 0.14), and simulated low grade (0.81 ± 0.04).

Unsupervised Pathological Area Extraction using 3D T2 and FLAIR MR Images

Deptartment of Telecommunications, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 12, 612 00 Brno, Czech Republic.

ASCR, Institute of Scientific Instruments, Kralovopolska 147, 612 64 Brno, Czech Republic

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Unsupervised Pathological Area Extraction using 3D T2 and FLAIR MR Images"}

This work discusses fully automated extraction of brain tumor and edema in 3D MR volumes. The goal of this work is the extraction of the whole pathological...

Unsupervised Pathological Area Extraction using 3D T2 and FLAIR MR Images

Published Online: Dec 15, 2014

Page range: 357 - 364

Received: May 31, 2014

Accepted: Oct 31, 2014

DOI: https://doi.org/10.2478/msr-2014-0049

Keywords
Brain tumor, brain tumor segmentation, extraction, magnetic resonance, MRI, pathology, segmentation, symmetry analysis

© 2014 Pavel Dvořák et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Unsupervised Pathological Area Extraction using 3D T2 and FLAIR MR Images

Published Online: Dec 15, 2014

Page range: 357 - 364

Received: May 31, 2014

Accepted: Oct 31, 2014

DOI: https://doi.org/10.2478/msr-2014-0049

KeywordsBrain tumor, brain tumor segmentation, extraction, magnetic resonance, MRI, pathology, segmentation, symmetry analysis

© 2014 Pavel Dvořák et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Brain tumor, brain tumor segmentation, extraction, magnetic resonance, MRI, pathology, segmentation, symmetry analysis