 To build a 3DMM, a training set of fully registered face scans is required, and its modeling capabilities directly depend on the variability contained in the training data.
<clarity>  To build a 3DMM, a training set of fully registered face scans is required, and its modeling capabilities directly depend on the variability contained in the training data.
 To build a 3DMM, a training set of fully registered face scans is required, and its modeling capabilities directly depend on the variability of the training data.