In recent years, the growth of the Internet along with multimedia data delivery, have caused
the misuse and even alteration of the original digital content. As a security mechanism …

This paper presents a new model of the content reconstruction problem in self-embedding
systems, based on an erasure communication channel. We explain why such a model is a …

With the large amount of content being posted on the Internet every day, moderators,
investigators, and analysts can be exposed to hateful, pornographic, or graphic content as …

In this research, a privacy protection mechanism in H. 264/AVC videos is proposed. The
sensitive or private visual information in frames, which should not be viewable by the …

In this paper we address the issue of the trade-off between the tampering rate and the
reconstruction quality of image authentication systems. We adopt the fountain coding …

A partial frame content scrambling scheme for H. 264/AVC compressed videos is proposed
in this research. Some areas of video frames, which are identified as sensitive or privacy …

In the literature, there are robust Reversible Watermarking Schemes (RWS) that allow the
extraction of watermarks after the signals have suffered attacks, however the modified carrier …

In recent years, increasingly complex algorithms for automated analysis of surveillance data
are being developed. The rapid growth in the number of monitoring installations and higher …

In this paper a methodology for employing reversible visual encryption of data is proposed.
The developed algorithms are focused on privacy enhancement in distributed surveillance …

Protecting personal privacy on digital images and videos is important these days. In this
research, we present a privacy protection mechanism in H. 264/AVC videos. The private …