Metadata hiding for UAV video based on digital watermarking in DWT transform. - Nasr addin Ahmed Salem Al-maweri; Aznul Qalid Md Sabri; Ali Mohammed Mansoor; Unaizah Hanum Binti Obaidellah; Erma Rahayu Mohd Faizal Abdullah; Joan Lai P C (Multim. Tools Appl., 2017)