Dear all,
I'm using workbench to extract resting-state fMRI data and smoothing, the
data is from HCP_S500, the version of workbench is v1.0:
1) wb_command -cifti-separate
rfMRI_REST1_RL_Atlas_hp2000_clean.dtseries.nii \
COLUMN \
-metric CORTEX_LEFT \
rfMRI_REST1_RL_Atlas_hp2000_clean.dtseries.left_metric.gii
2) wb_command -cifti-create-dense-timeseries \
rfMRI_REST1_RL_left.dtseries.nii \
-leftmetric \
rfMRI_REST1_RL_Atlas_hp2000_clean.dtseries.left_metric.gii
3) wb_command -cifti-smoothing \
rfMRI_REST1_RL_left.dtseries.nii \
2 2 COLUMN \
rfMRI_REST1_RL_left_smoothed.dtseries.nii \
-left-surface 100307.L.very_inflated.32k_fs_LR.surf.gii
Then I load the data 'rfMRI_REST1_RL_left_smoothed.dtseries.nii' to Matlab7:
fid = fopen('rfMRI_REST1_RL_left_smoothed.dtseries.nii', 'r');
tseries = fread(fid,[32492 32492], 'float32');
I found that the tseries has lots of zero value, is it normal? Could you
please check which step is wrong? Thank you for your time.
Best,
Xiangyu
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