Department of Electronics and Telecommunications Politecnico di Torino 10129 Torino Italy;
Department of Electronics and Telecommunications Politecnico di Torino 10129 Torino Italy;
DAUIN Politecnico di Torino 10129 Torino Italy;
Department of Electronic and Electrical Engineering Loughborough University United Kingdom;
VTVB steganography; image processing; information security; data hiding;