AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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bob cox
April 29, 2003 07:46PM
For 3dvolreg, the file [afni.nimh.nih.gov] contains some information on the methods used. Also, the paper

RW Cox and A Jesmanowicz.
Real-time 3D image registration for functional MRI.
Magnetic Resonance in Medicine, 42:1014-1018, 1999
[afni.nimh.nih.gov]

describes in detail the algorithm used in 3dvolreg. As for AIR, you'll have to lookup Roger Wood's papers. Also, there have been a few papers published already comparing various registration software for FMRI - the one below is an example:

Ardekani, BA, Bachman, AH, and Helpern, JA, "A Quantitative Comparison of Motion Detection Algorithms in fMRI," Mag. Res. Imag., Vol. 19, No. 7, pp. 959-963, Sep. 2001.

bob cox
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AIR and 3dvolreg

Kevin April 29, 2003 01:29PM

Re: AIR and 3dvolreg

bob cox April 29, 2003 07:46PM

Re: AIR and 3dvolreg

Kevin April 30, 2003 11:14AM