Lupotti, F.A.

blood velocity signal blood flow decorrelation method correlation rf signals catheter ultrasound measurement correlation coefficients pattern result coefficient field decorrelation pattern array noise van der steen study correlation-based method point chapter scatterer point scatterers patient flow reserve artery transducer intravascular ivus array catheter function displacement ultrasound beam figure vessel lumen decorrelation patterns imaging medium reserve doppler curve aggregation journal correlation-based profile pressure element aggregate system correlation coefficient blood velocity assessment length gradient shear steen blood cells cespede cardiology effect circulation computer plug blood flow correction frequency value envelope reference volume blood flow volume noise correction method string technique american college stenosi blood flow measurements serruy