https://www.knmi.nl/kennis-en-datacentrum/publicatie/imagery-privacy-and-ethics-an-overview-of-partially-occluded-facial-biometric-analysis-in-the-era-of-face-masks
KNMI - Imagery, privacy and ethics: an overview of partially occluded facial biometric analysis in...
privacy and ethicspartially occludedbiometric analysisknmiimagery