Hello all FSL experts, Does anyone has used SUSAN noise reduction in FSL with the Diffusion Tensor Images (DTI)? If yes, then what parameters used to optimal for the brightness threshold, bt, and the spatial scale, dt used. I'll appreciate your feedback on this. Thanks, Sincerely, Supreet kaur, Biomedical research engineer, Nationwide Childrens Hospital, Columbus, OH (614)355-3509