To Mask or Not to Mask?: Balancing Privacy with Visual Confirmation Utility in Activity-Oriented Wearable Cameras. - Rawan Alharbi; Mariam Tolba; Lucia C. Petito; Josiah D. Hester; Nabil Alshurafa (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2019)