In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques.Inthis communication,weproposea ...
Due to the cost pressure on the health care system an increase in the need for electronic healthcare records (EHR) could be observed in the last decade, because EHRs promise massiv...
Bernhard Riedl, Veronika Grascher, Thomas Neubauer
In this paper, we present a novel steganographic technique for hiding data in a kind of PDF texts. We first point out the secret channels in a kind of PDF English texts, which ar...
Smartphones are getting increasingly popular and several malwares appeared targeting these devices. General countermeasures to smartphone malwares are currently limited to signatur...
In this paper, we propose two video fingerprinting methods that are robust to both geometric and non-geometric modifications on content. Both of the proposed methods are based on ...