Title :
Three-dimensional annulus segmentation and hybrid visualisation in echocardiography
Author :
Wolf, I. ; Hastenteufel, M. ; De Simone, Robert ; Meinzer, H.P.
Author_Institution :
Deutsches Krebsforschungszentrum, Heidelberg
Abstract :
Changes in mitral annular shape and dynamics are associated with mitral regurgitation without valvular disease. Therefore, it is interesting to visualise the annulus together with the regurgitant flow patterns. A prerequisite for a clear visualisation is the segmentation of the annulus. We present a specialised method for annular segmentation in rotationally-acquired 3D transesophageal echocardiographic data. For visualisation, a surface model of the annulus is constructed, while we use a volume rendering method for flow patterns, which allows the display in the original colour coding from 2D echocardiography. A hybrid visualisation technique enables a simultaneous display of the surface-rendered annulus together with volume-rendered flow patterns and/or morphology
Keywords :
data visualisation; echocardiography; flow visualisation; haemodynamics; image segmentation; medical image processing; rendering (computer graphics); 2D echocardiography; 3D annulus segmentation; colour coding; hybrid visualisation technique; mitral annular shape; mitral regurgitation; morphology; regurgitant flow patterns; rotationally-acquired 3D transesophageal echocardiographic data; surface model; valvular disease; volume rendering; Blood flow; Data acquisition; Diseases; Echocardiography; Heart valves; Image segmentation; Shape; Surface morphology; Two dimensional displays; Visualization;
Conference_Titel :
Computers in Cardiology 2001
Conference_Location :
Rotterdam
Print_ISBN :
0-7803-7266-2
DOI :
10.1109/CIC.2001.977602
