Overview of the MediaEval 2015 drone protect task

This paper presents an overview of the Drone Protect Task (DPT) of MediaEval 2015, its objectives, related dataset, and evaluation approach. Participants in this task were required to implement a privacy filter or a combination of filters to protect various personal information regions in the video sequences provided. The challenge was to achieve an adequate balance between the degree of privacy protection, intelligibility (how much useful information is retained after privacy filtering), and pleasantness (how minimal were the adverse effects of filtering on the appearance of the video frames). The evaluation methods for this task include subjective evaluation by those working in the video surveillance sector and also by naïve viewers.