DocumentCode
2570326
Title
3D saddle point detection and applications in cardiac imaging
Author
Fuster, A. ; van Pelt, R.F.P. ; Fick, R.H.J. ; Claassen, G. ; Romeny, B. M ter Haar ; van Assen, H.C. ; Florack, L.M.J.
Author_Institution
Dept. of Math. & Comput. Sci., Eindhoven Univ. of Technol., Eindhoven, Netherlands
fYear
2012
fDate
2-5 May 2012
Firstpage
808
Lastpage
811
Abstract
We investigate saddle points in 3D cardiac images. We do so by improving a critical point detection algorithm, the 3D winding number, or Poincaré index. We consider two different applications. We estimate cardiac motion from 3D tagged MRI data, based on tracking of saddle points. We also employ our method for saddle point extraction in blood flow data, acquired by phase contrast MRI.
Keywords
biomedical MRI; blood flow measurement; cardiology; medical image processing; 3D cardiac image saddle points; 3D saddle point detection; 3D tagged MRI data; 3D winding number; Poincare index; blood flow data; cardiac imaging; cardiac motion estimation; critical point detection algorithm; phase contrast MRI; saddle point extraction; saddle point tracking; Biomedical imaging; Blood; Magnetic resonance imaging; Noise; Vectors; Windings; Poincaré index; phase contrast MRI; saddle points; tagged MRI; winding number;
fLanguage
English
Publisher
ieee
Conference_Titel
Biomedical Imaging (ISBI), 2012 9th IEEE International Symposium on
Conference_Location
Barcelona
ISSN
1945-7928
Print_ISBN
978-1-4577-1857-1
Type
conf
DOI
10.1109/ISBI.2012.6235671
Filename
6235671
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