Anonymization tools

Sanitization of headers/filenames

Elimination of facial (and dental) features

Skull stripping

One of the approaches is perform complete skull stripping, e.g. using

Some dedicated anonymization tools work on this principle, e.g. DeID

Faces/dental stripping

More “gentle” approach is to strip out only the areas of face/mouth leaving skull, which might be important for some types of analysis. Usually achieved through alignment of pre-crafted mask to the research participants anatomy and removing of the masked out regions.

Rendering faces unrecognizable

Even more data/information preserving approach is to just obscure facial features in the anatomical images: