TY  - CONF
AU  - Aura Hernandez-Sabate
AU  - David Rotger
AU  - Debora Gil
PY  - 2008//
TI  - Image-based ECG sampling of IVUS sequences
BT  - Proc. IEEE Ultrasonics Symp. IUS 2008
SP  - 1330
EP  - 1333
KW  - Longitudinal Motion
KW  - Image-based ECG-gating
KW  - Fourier analysis
N2  - Longitudinal motion artifacts in IntraVascular UltraSound (IVUS) sequences hinders a properly 3D reconstruction and vessel measurements. Most of current techniques base on the ECG signal to obtain a gated pullback without the longitudinal artifact by using a specific hardware or the ECG signal itself. The potential of IVUS images processing for phase retrieval still remains little explored. In this paper, we present a fast forward image-based algorithm to approach ECG sampling. Inspired on the fact that maximum and minimum lumen areas are related to end-systole and end-diastole, our cardiac phase retrieval is based on the analysis of tissue density of mass along the sequence. The comparison between automatic and manual phase retrieval (0.07 ± 0.07 mm. of error) encourages a deep validation contrasting with ECG signals.
L1  - http://refbase.cvc.uab.es/files/HRG2008.pdf
UR  - http://dx.doi.org/10.1109/ULTSYM.2008.0322
N1  - IAM;MILAB
ID  - Aura Hernandez-Sabate2008
ER  -