Motion-compensated fully 4D reconstruction of gated cardiac sequences

Erwan Gravier; Yongyi Yang

doi:10.1117/12.598885

11 March 2005 Motion-compensated fully 4D reconstruction of gated cardiac sequences

Erwan Gravier, Yongyi Yang

Proceedings Volume 5674, Computational Imaging III; (2005) https://doi.org/10.1117/12.598885
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

Abstract

In this paper we investigate the benefits of a spatio-temporal approach for reconstruction of cardiac image sequences. We introduce a temporal prior based on motion-compensation to enforce temporal correlations along the curved trajectories that follow the cardiac motion. The image frames in a sequence are reconstructed simultaneously through maximum a posteriori (MAP) estimation. We evaluated the performance of our algorithm using the 4D gated mathematical cardiac-torso (gMCAT) D1.01 phantom to simulate gated SPECT perfusion imaging with Tc-99m-sestamibi. Our experimental results show that the proposed approach could significantly improve the accuracy of reconstructed images without causing cross-frame blurring that may arise form the cardiac motion.

Citation Download Citation

Erwan Gravier and Yongyi Yang "Motion-compensated fully 4D reconstruction of gated cardiac sequences", Proc. SPIE 5674, Computational Imaging III, (11 March 2005); https://doi.org/10.1117/12.598885

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available