For DBMH
method, msT, msTR, msTC, msTRC
will not be available
if the dataset contains only one modality. Similarly,
msR, msTR, msRC, msTRC
will not be returned for single reader dataset.
For ORH
method, msT, msR, msTR
will be returned for multiple
reader multiple modality dataset. msT
is not available for single
modality dataset, and msR
is not available for single reader dataset.