Title :
Solving for motion and activation simultaneously in an fMRI experiment with multiple stimulus conditions
Author :
Orchard, J. ; Atkins, M.S.
Author_Institution :
Sch. of Comput. Sci., Waterloo Univ., Ont., Canada
Abstract :
It has recently been shown that greater accuracy in fMRI processing can be achieved if registration and activation detection are solved simultaneously rather than in sequence. However, this simultaneous solution has been demonstrated only for fMRI experiments in which a single stimulus condition was used. This paper presents results obtained by applying the simultaneous solution technique to simulated datasets with two stimulus conditions, and demonstrates that the technique is equally effective on such datasets.
Keywords :
biomedical MRI; image registration; medical image processing; activation detection; fMRI processing; image registration; motion detection; multiple stimulus conditions; simultaneous solution technique; Algorithm design and analysis; Computer science; Councils; Data engineering; Data models; Equations; Least squares methods; Matrix decomposition; Motion detection; Motion estimation;
Conference_Titel :
Biomedical Imaging: Nano to Macro, 2004. IEEE International Symposium on
Print_ISBN :
0-7803-8388-5
DOI :
10.1109/ISBI.2004.1398709