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 de-identification 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: