PhotoSafer: Content-Based and Context-Aware Private Photo Protection for Smartphones. - Ang Li 005; David Darling; Qinghua Li (PAC, 2018)

Automated Bystander Detection and Anonymization in Mobile Photography. - David Darling; Ang Li 005; Qinghua Li (SecureComm (1), 2020)

Privacy Protection Against Shoulder Surfing in Mobile Environments. - David Darling; Yaling Liu; Qinghua Li (MobiQuitous, 2022)