Department of Electronics and Telecommunications Politecnico di Torino 10129 Torino Italy;
Department of Electronics and Telecommunications Politecnico di Torino 10129 Torino Italy;
Department of Electronics and Telecommunications Politecnico di Torino 10129 Torino Italy;
Department of Computer Engineering University of Lahore Pakistan;
Department of Statistics Shaheed Benazir Bhutto Women University Peshawar Pakistan;
Department of Computer Science University of Peshawar Pakistan;
Department of Electronic and Electrical Engineering Loughborough University United Kingdom;
DCT steganography; image processing; information security; data hiding; steganalyisis;