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Enhancement of microcalcifications in digitized mammograms: Multifractal and mathematical morphology approach

dc.creatorStojić, Tomislav
dc.creatorReljin, Branimir
dc.date.accessioned2022-09-19T16:25:17Z
dc.date.available2022-09-19T16:25:17Z
dc.date.issued2010
dc.identifier.issn1451-2092
dc.identifier.urihttps://machinery.mas.bg.ac.rs/handle/123456789/1026
dc.description.abstractPrikazana su dva metoda isticanja mikrokalcifikacija u digitalnim mamogramima. Prvi metod zasnovan je na multifraktalnoj analizi digitalne slike, a drugi na primeni moderne matematičke morfologije. U multifraktalnom pristupu kreiraju se multifraktalne 'slike' izvornog mamograma, na osnovu kojih se dalje interaktivno bira nivo segmentacije detalja. Drugi metod, pogodnom kombinacijom morfoloških operacija, povećava lokalni kontrast uz snažno potiskivanje pozadinske teksture, nezavisno od radiološke gustine tkiva dojke. Iterativnim postupkom morfološki metod visoko ističe samo male detalje sjajnije od okolnog tkiva, potencijalne mikrokalcifikacije. Interaktivni pristup kod oba metoda omogućava radiologu da kontroliše nivo izdvajanja detalja. Predloženi metodi su testirani na referentnim mamogramima iz miniMIAS baze i iz kliničke prakse.sr
dc.description.abstractTwo methods for enhancing the microcalcifications in digitized mammograms are under consideration. First method is based on multifractal approach, and second on modern mathematical morphology. In multifractal approach, from initial mammogram image, a corresponding multifractal 'images' are created, from which a radiologist has a freedom to change the level of segmentation in an interactive manner. The second method, using an appropriate combination of some morphological operations, enables high local contrast enhancement, followed by significant suppression of background tissue, irrespective of the radiology density of the tissue. By iterative procedure this method highly emphasizes only small bright details, possible microcalcifications. The interactive approach enables the physician to control the level of segmentation. Suggested methods were tested through referent mammograms from MiniMIAS database and from clinical praxis mammograms.en
dc.publisherUniverzitet u Beogradu - Mašinski fakultet, Beograd
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceFME Transactions
dc.subjectmultifractal analysisen
dc.subjectmedical image processing microcalcificationsen
dc.subjectmathematical morphologyen
dc.titleIsticanje mikrokalcifikacija u digitalnim mamogramima - multifraktalni i morfološki pristupsr
dc.titleEnhancement of microcalcifications in digitized mammograms: Multifractal and mathematical morphology approachen
dc.typearticle
dc.rights.licenseBY
dc.citation.epage9
dc.citation.issue1
dc.citation.other38(1): 1-9
dc.citation.rankM51
dc.citation.spage1
dc.citation.volume38
dc.identifier.fulltexthttp://machinery.mas.bg.ac.rs/bitstream/id/13/1023.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_machinery_1026
dc.identifier.scopus2-s2.0-79960117402
dc.type.versionpublishedVersion


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