Dear FSL experts,
By default FNIRT was designed to be a "medium resolution” method that provides an excellent tradeoff between the accuracy of the non-linear registration and execution time (and working memory).
However, my main interest is to apply the non-linear registration as accurate as possible – the execution time per subject is not a problem for my application. I am willing to wait as long as needed (within an interval of 24 hours) in order to obtain the most accurate result.
This particular mode of operation is not aimed to be used in standard methods like VBM. In my project I need to obtain accurate high resolution “displacement field”, which will be used to transforms particular points from the native space to the MNI space (for example, the points belonging to a particular tract {xi,yi,zi, i=1..n} reconstructed by DTI and deterministic tractography algorithms).
There are any “optimal” configuration files to perform this type of high resolution registration from the native space to the templates MNI152_T1_1mm or MNI152_T1_0.5mm?
Any recommendations would be appreciated,
Many thanks,
Erick J. Canales-Rodríguez
(+34) 93 652 99 99 ext. 255
Unitat de Recerca, Benito Menni CASM
Sant Boi del Llobregat (Barcelona), Spain
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