User Tools

Site Tools


biac:analysis:resting_pipeline

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Next revisionBoth sides next revision
biac:analysis:resting_pipeline [2012/07/06 12:37] – [Step 7] gaddebiac:analysis:resting_pipeline [2012/07/09 18:59] – [Step 3] admin
Line 34: Line 34:
                         run                         run
   -p func, --prefix=func   -p func, --prefix=func
-                        prefix for all resulting images, defaults to name of+                        prefix for all resulting images, defaults to name of                        
                         input                         input
 +  --t1=/path/to/BXH     bxh ( or nifti ) file for the anatomical T1
   -s 0,1,2,3, --steps=0,1,2,3   -s 0,1,2,3, --steps=0,1,2,3
                         comma seperated string of steps. 'all' will run                         comma seperated string of steps. 'all' will run
Line 59: Line 60:
                         AC point of reference image if not using standard MNI                         AC point of reference image if not using standard MNI
                         brain                         brain
-  --betfval=0.        f value to use while skull stripping. default is 0.5+  --betfval=0.        f value to use while skull stripping. default is 0.4 
 +  --anatbetfval=0.5     f value to use while skill stripping ANAT. default is 0.5
   --lpfreq=0.08         frequency cutoff for lowpass filtering in HZ.  default   --lpfreq=0.08         frequency cutoff for lowpass filtering in HZ.  default
                         is .08hz                         is .08hz
Line 151: Line 153:
   * the functional run is meaned across time with fslmaths, then bet is applied.  the resulting mask is then applied to the entire run of data   * the functional run is meaned across time with fslmaths, then bet is applied.  the resulting mask is then applied to the entire run of data
   * if you find that bet is doing a poor job finding the edges you can adjust the intensity threshold with **--betfval**   * if you find that bet is doing a poor job finding the edges you can adjust the intensity threshold with **--betfval**
-    * this is equivalent of **-f** when actually running bet.  the default is 0.5, but smaller values will be more conservative in finding the edges of the brain ( ie: larger mask ) +    * this is equivalent of **-f** when actually running bet.  the default is 0.4 (same as feat), but smaller values will be more conservative in finding the edges of the brain ( ie: larger mask ) 
 +  * if provided T1 anatomical is skull stripped. **--anatbetfval** is used to control intensity threshold, the default is 0.5 (same as feat)
 ==== Step 4 ==== ==== Step 4 ====
   * normalize the data using flirt   * normalize the data using flirt
biac/analysis/resting_pipeline.txt · Last modified: 2024/06/21 15:44 by 127.0.0.1