Left ventricle segmentation in ultrasound sequences for the automatic computation of ejection fraction (Contributo in atti di convegno)

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  • Left ventricle segmentation in ultrasound sequences for the automatic computation of ejection fraction (Contributo in atti di convegno) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
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  • Barcaro U.; Moroni D.; Salvetti O. (2007)
    Left ventricle segmentation in ultrasound sequences for the automatic computation of ejection fraction
    in Open German Russian Workshop on Pattern Recognition & Image Understanding, Ettlingen, Germany
    (literal)
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  • Barcaro U.; Moroni D.; Salvetti O. (literal)
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  • In: Open German Russian Workshop on Pattern Recognition & Image Understanding (Ettlingen, Germany, 20-23 August 2007). Proceedings, pp. -- - --. Forshungsinstitut fur Optronik und Mustererkennung, 2007. (literal)
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  • ABSTRACT: Left Ventricle (LV) Ejection Fraction (EF) is a fundamental parameter for heart function assessment. Being based on border tracing, however, manual computation of EF is timeconsuming and extremely prone to inter- and intra- observer variability. In this paper we present an automatic method for EF computation, which provides results in agreement with those provided by expert observers. The segmentation strategy consists of two stages: first, the region of interest is identified by means of mimetic criteria; the identified region is then used for initialization of an active contour based on a variational formulation of Level Set methods, which provides accurate segmentation of LV cavity. Volume calculation is then performed according to the conventional Simpson's rule and, finally, EF is computed. (literal)
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  • Institute of Information Science and Technologies (ISTI) Italian National Research Council (CNR) Via G. Moruzzi 1, 56124, Pisa (Italy) (literal)
Titolo
  • Left ventricle segmentation in ultrasound sequences for the automatic computation of ejection fraction (literal)
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