Title :
Region based matching for velocity field computation in 2-D echocardiography
Author :
Lamberti, C. ; Bottazzi, P. ; Sarti, A.
Author_Institution :
Bologna Univ., Italy
Abstract :
Methods based on region matching to estimate velocity field on sequences of 2-D echocardiograms are presented and tested. The method proposed by Singh and Allen (CVGIP: Image Understanding, vol. 56, p. 152-77, 1992) has been modified in the choice of the similarity index. Results of test based on sequences of synthesized images show that template matching methods are more robust and accurate than gradient based methods, while on the other hand computation time is much higher
Keywords :
biomechanics; echocardiography; image segmentation; image sequences; medical image processing; velocity measurement; 2D echocardiography; computation time; echocardiographic sequences; gradient based methods; medical diagnostic imaging; region based matching; similarity index; synthesized images; template matching methods; velocity field computation; velocity field estimation; Brightness; Covariance matrix; Echocardiography; Ischemic pain; Motion detection; Motion estimation; Myocardium; Optical computing; Robustness; Testing;
Conference_Titel :
Computers in Cardiology 1993, Proceedings.
Conference_Location :
London
Print_ISBN :
0-8186-5470-8
DOI :
10.1109/CIC.1993.378379
