Reconstruction of image sequences using motion compensation

Yongyi Yang; Erwan J. Gravier

doi:10.1117/12.535945

21 May 2004 Reconstruction of image sequences using motion compensation

Yongyi Yang, Erwan J. Gravier

Proceedings Volume 5299, Computational Imaging II; (2004) https://doi.org/10.1117/12.535945
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

In this paper we study a motion-compensated approach for simultaneous reconstruction of image frames in a time sequence. We treat the frames in a sequence collectively as a single function of both space and time, and define a temporal prior to account for the temporal correlations in a sequence. This temporal prior is defined in a form of motion-compensation, aimed to follow the curved trajectories of the object motion through space-time. The image frames are then obtained through estimation using the expectation-maximization (EM) algorithm. The proposed algorithm was evaluated extensively using the 4D gated mathematical cardiac-torso (gMCAT) D1.01 phantom to simulate gated SPECT perfusion imaging with Tc99m. Our experimental results demonstrate that the use of motion compensation for reconstruction can lead to significant improvement in image quality and reconstruction accuracy.

Citation Download Citation

Yongyi Yang and Erwan J. Gravier "Reconstruction of image sequences using motion compensation", Proc. SPIE 5299, Computational Imaging II, (21 May 2004); https://doi.org/10.1117/12.535945

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