On Dlib Image Processing's Privacy Page you can request and collect all the privacy and GDPR related information that Dlib Image Processing is providing.
The privacy policy by is a legal document or statement that discloses how Dlib Image Processing gathers, uses, discloses, and manges their customers' data.
The basis for DLib sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.