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Segmentation of NMR image in temporomandibular joint region

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F08%3APU75299" target="_blank" >RIV/00216305:26220/08:PU75299 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Segmentation of NMR image in temporomandibular joint region

  • Original language description

    The paper describes the segmentation of NMR image of the human head in the region of temporomandibular joint. Images obtained by the tomograph used are of very low resolution and contrast, and processing them can prove to be difficult. An appropriate algorithm has been found, which consists of pre-processing the image by a smoothing filter, focusing, and four-phase level set segmentation. This method segments the image on the basis of the intensity of regions and is thus suitable to be applied to the above NMR images, in which no sharp edges occur. The method also has some filtering capability. It is described by partial differential equations that have been transformed into corresponding difference equations, which are solved numerically.

  • Czech name

    Segmentace NMR obrazu v oblasti čelistního kloubu

  • Czech description

    Článek popisuje segmentaci NMR obrazu lidské hlavy v oblasti čelistního kloubu. Získané obrazy z použitého tomografu se vyznačují velmi nízkým kontrastem a obsaženým šumem a jejich zpracování může být obtížné. Byl nalezen vhodný algoritmus, který se skládá z předzpracování vyhlazovacím filtrem, zaostření a čtyřfázové level set segmentace. Tato metoda segmentuje obraz na základě intenzity oblastí a je proto vhodná pro segmentaci NMR obrazů, kde se nevyskytují ostré hrany. Metoda má také filtrační schopnosti. Je popsaná parciálními diferenciálními rovnicemi, které se řeší numericky.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JA - Electronics and optoelectronics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    31th International Conference on Telecommunications and Signal Processing - TSP'2008

  • ISBN

    978-963-06-5487-6

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

  • Publisher name

    Asszisztencia Szervezo Kft.

  • Place of publication

    Budapest

  • Event location

    Parádfürdő

  • Event date

    Sep 3, 2008

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article