 |
 |
Hello Steve, Happy New Year Can You kindly help me in de-noising the data of a group ICA. Sure we must have to run it before dual regression but filterd_func_data file has been created individually not for the group,so we cannot do it for group. Thanks!!! On Sat, Dec 29, 2012 at 12:37 PM, Himanshu Joshi <[log in to unmask]>wrote: > Please, > > Can you elaborate it further > I didn't get you because the question still remains the same > How we can do this after concat group ICA ? > because filterd_func_data file has been created individually not for the > group,so we cannot do it for group. > > I may be wrong kindly correct it > > > > On Fri, Dec 28, 2012 at 5:00 PM, Stephen Smith <[log in to unmask]>wrote: > >> Hi >> >> The fsl_regfilt denoising is really intended for single-session ICA. If >> you identify noise components at the group level then you can choose (for >> example) to ignore or model out those components in the output of the >> dual-regression run after the concat-mode group-ICA. >> >> Cheers. >> >> >> >> >> On 28 Dec 2012, at 05:42, Himanshu Joshi wrote: >> >> Hello FSL experts, >> >> I had been able to run the denoising command on single session ICA data >> by >> >> cd melodic_output_directory.ica >> >> >> fsl_regfilt -i filtered_func_data -o denoised_data -d filtered_func_data.ica/melodic_mix -f "2,5,9" >> >> - >> >> >> But if we have to apply the same command on a group data >> (groupmelodic.ica folder) then what would be the input file ? >> >> I tried melodic_IC as input file using this command >> fsl_regfilt -i melodic_IC -d melodic_mix -o denoise_ICAfiltered -f >> "3,6,25,28,29" >> >> The error was >> >> :terminate called after throwing an instance of 'NEWMAT:: >> IncompatibleDimensionsException' >> Aborted (core dumped) >> >> >> >> -- >> *Himanshu Joshi* >> M.Tech. Cognitive & Neuroscience. >> Senior Research Fellow >> Department of Psychiatry >> NIMHANS, Bangalore >> >> http://mbial.weebly.com/himanshu-joshi.html >> >> >> >> >> --------------------------------------------------------------------------- >> Stephen M. Smith, Professor of Biomedical Engineering >> Associate Director, Oxford University FMRIB Centre >> >> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK >> +44 (0) 1865 222726 (fax 222717) >> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve >> >> --------------------------------------------------------------------------- >> >> >> >> > > > -- > *Himanshu Joshi* > > -- *Himanshu Joshi* M.Tech. Cognitive & Neuroscience. Senior Research Fellow Department of Psychiatry NIMHANS, Bangalore http://mbial.weebly.com/himanshu-joshi.html