anatCombineStructures | R Documentation |
Combines left and right labels from volumes obtained from anatGetAll call
anatCombineStructures( vols, method = "jacobians", defs = getOption("RMINC_LABEL_DEFINITIONS") )
vols |
Matrix output from call to anatGetAll |
method |
A string specifying the way information was computed at every voxel ("jacobians","labels","means","sums") |
defs |
A string pointing to the filename containing the label definitions. Used to map the integers in the atlas to a proper name for the structure and contains additional information for laterality of each structure. |
anatCombineStructures collapses left and right volume information into one measure. If "jacobians","sums",or "labels" is selected then the sum of the left and right is produced, otherwise the mean is produced.
A matrix with ncols equal to the number of collapsed labels
anatLm,anatGetAll
## Not run: getRMINCTestData() filenames <- read.csv("/tmp/rminctestdata/filenames.csv") volumes <- anatGetAll(filenames=filenames$absolute_jacobian, atlas="/tmp/rminctestdata/test_segmentation.mnc", method="jacobians", defs="/tmp/rminctestdata/test_defs.csv") volumes_combined <- anatCombineStructures(vols=volumes, method="jacobians", defs="/tmp/rminctestdata/test_defs.csv") ## End(Not run)
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