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Influence of temperature variations on the entropy and correlation of the Grey-Level Co-occurrence Matrix from B-Mode images

2010-02-01Journal article Restricted access
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dc.contributor.authorAlvarenga, A. V.
dc.contributor.authorTeixeira, C. A.
dc.contributor.authorRuano, M. Graça
dc.contributor.authorPereira, W. C. A.
dc.date.accessioned2015-04-13T14:53:12Z
dc.date.available2015-04-13T14:53:12Z
dc.date.issued2010-02-01
dc.description.abstractIn this work, the feasibility of texture parameters extracted from B-Mode images were explored in quantifying medium temperature variation. The goal is to understand how parameters obtained from the gray-level content can be used to improve the actual state-of-the-art methods for non-invasive temperature estimation (NITE). B-Mode images were collected from a tissue mimic phantom heated in a water bath. The phantom is a mixture of water, glycerin, agar-agar and graphite powder. This mixture aims to have similar acoustical properties to in vivo muscle. Images from the phantom were collected using an ultrasound system that has a mechanical sector transducer working at 3.5 MHz. Three temperature curves were collected, and variations between 27 and 44 degrees C during 60 min were allowed. Two parameters (correlation and entropy) were determined from Grey-Level Co-occurrence Matrix (GLCM) extracted from image, and then assessed for non-invasive temperature estimation. Entropy values were capable of identifying variations of 2.0 degrees C. Besides, it was possible to quantify variations from normal human body temperature (37 degrees C) to critical values, as 41 degrees C. In contrast, despite correlation parameter values (obtained from GLCM) presented a correlation coefficient of 0.84 with temperature variation, the high dispersion of values limited the temperature assessment. (C) 2009 Elsevier B.V. All rights reserved.
dc.identifier.doihttp://dx.doi.org/10.1016/j.ultras.2009.09.002
dc.identifier.issn0041-624X
dc.identifier.otherAUT: MRU00118;
dc.identifier.urihttp://hdl.handle.net/10400.1/5862
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.subjectNon-invasive temperature estimation
dc.subjectTexture parameters
dc.subjectImage processing techniques
dc.subjectUltrasound
dc.subject.otherNoninvasive estimation
dc.subject.otherTexture analysis
dc.subject.otherUltrasound
dc.titleInfluence of temperature variations on the entropy and correlation of the Grey-Level Co-occurrence Matrix from B-Mode images
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceSantiago, Chile
oaire.citation.endPage293
oaire.citation.issue2
oaire.citation.startPage290
oaire.citation.titleUltrasonics
oaire.citation.titleInternational Congress on Ultrasonics
oaire.citation.volume50
person.familyNameTeixeira
person.familyNameRuano
person.familyNamePereira
person.givenNameCésar
person.givenNameMaria
person.givenNameWagner
person.identifier.ciencia-id9811-A0DD-D5A5
person.identifier.orcid0000-0001-9396-1211
person.identifier.orcid0000-0002-0014-9257
person.identifier.orcid0000-0001-5880-3242
person.identifier.ridA-3477-2012
person.identifier.ridA-8321-2011
person.identifier.scopus-author-id55826531700
person.identifier.scopus-author-id7004483805
person.identifier.scopus-author-id35581987400
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication29e9844d-9355-4f2a-badf-9e7ad3117cdb
relation.isAuthorOfPublication61fc8492-d73f-46ca-a3a3-4cd762a784e6
relation.isAuthorOfPublication5f0824cf-c471-4f03-8134-8003affbabe3
relation.isAuthorOfPublication.latestForDiscovery29e9844d-9355-4f2a-badf-9e7ad3117cdb

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