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2014 | 2 | 247--251
Tytuł artykułu

A new approach to automatic continuous artery diameter measurement

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In this paper, we present an application which aid an evaluation of the arterial diameter changes, based on ultrasound videos. The designed, implemented and verified algorithm uses the techniques of image processing, image analysis and pattern recognition, such as filtering, profile plot analysis and active contour method. Except determining the artery diameter over time it is also able to retrieve ECG from ultrasound video. The results obtained for both signals are synchronized, therefore it is possible to obtain the artery diameters in R wave points, which is a novel approach. Experiments were performed to assess the software validation by comparing the outcomes obtained with the evaluated algorithm with those manually-acquired -- the correlation is high. This is the first stage of the research in which we will build the cardiovascular predictive model to search for the new cardiovascular factors.(original abstract)
Rocznik
Tom
2
Strony
247--251
Opis fizyczny
Twórcy
  • Jagiellonian University in Krakow, Poland
autor
  • Jagiellonian University in Krakow, Poland
  • Jagiellonian University in Krakow, Poland
  • Jagiellonian University in Krakow, Poland
  • Jagiellonian University in Krakow, Poland
Bibliografia
  • Bartoli G. et al. 2008. Model-based analysis of flow-mediated dilation and intima-media thickness. J Biomed Imaging 16, http://dx.doi.org/10.1155/2008/738545
  • Celermajer D.S. 1997. Endothelial dysfunction: does it matter? Is it reversible? J Am Coll Cardiol 30:325-333, http://dx.doi.org/10.1016/S0735-1097(97)00189-7
  • Dick H.J. et al. 2011. Assessment of flow-mediated dilation in humans: a methodological and physiological guideline. Am J Physiol-Heart Circ Physiol 300:H2-H12, http://dx.doi.org/10.1152/ajpheart.00471.2010
  • Faita F. et al. 2008. Detection of artery interfaces: a real-time system and its clinical applications. Med Imaging 69200F-69200F, http://dx.doi.org/10.1117/12.770408
  • Fan L. et al. 2000. Ultrasound measurement of brachial flow-mediated vasodilator response. IEEE Trans Med Imaging 19:6 21-631, http://dx.doi.org/10.1109/42.870669
  • Gemignani V. et al. 2007. A system for real-time measurement of the brachial artery diameter in B-mode ultrasound images. IEEE Trans Med Imaging 26:393-404, http://dx.doi.org/10.1109/TMI.2006.891477
  • Jazuli F., Pyke K.E.. 2011. The impact of baseline artery diameter on flow-mediated vasodilation: a comparison of brachial and radial artery responses to matched levels of shear stress. Am J Physiol-Heart Circ Physiol 301:H1667-H1677, http://dx.doi.org/10.1152/ajpheart.00487.2011
  • Kaneko T. et al. 2007. Ultrasonic measurement of change in elasticity due to endothelium dependent relaxation response by accurate detection of artery-wall boundary. Jpn J Appl Phys 46:4 881, http://dx.doi.org/10.1143/JJAP.46.4881
  • Kass M. et al. 1988. Snakes: Active contour models. Int J Comput Vision 1:321-331
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.ekon-element-000171325101

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