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Registration of cardiac CT data with coronary angiograms using digitally reconstructed radiographs

 
: Drechsler, Klaus; Oyarzun Laura, Cristina

:

Dössel, O. ; International Federation for Medical and Biological Engineering (IFMBE):
World Congress on Medical Physics and Biomedical Engineering 2009. Proceedings. DVD-ROM : September 7 - 12, 2009 Munich, Germany
Berlin: Springer, 2009 (IFMBE proceedings 25)
ISBN: 978-3-642-03897-6
pp.1431-1434
World Congress on Medical Physics and Biomedical Engineering <2009, München>
English
Conference Paper
Fraunhofer IGD ()
cardiology; registration; Digitally Reconstructed Radiography (DRR); computed tomography (CT)

Abstract
A semi-automatic point-based 3D-2D registration approach to register computed tomography (CT) data with coronary angiograms using digitally reconstructed radiographs (DRR) is presented. It allows us to augment the coronary angiograms with pathologies (e.g. calcifications) found in CT data with an automated analysis tool that was previously developed in our department. We also present an efficient method to enable a backprojection from 2D into 3D space and to detect overlapping vessels. First qualitative results are presented.

: http://publica.fraunhofer.de/documents/N-106253.html