Date Added: Dec 2012
Modern information hiding technology is an important branch of information security. Hiding capacity is very much important for efficient covert communication. The redundancies of digital media as well as the characteristic of human visual system make hiding technology a significant one. Steganography is the Art and Science of writing hidden messages in such a way that no one, apart from the sender and intended recipient suspects the existence of the message. Images are the mostly cover objects used for information hiding schemes. Image steganography is the most popular method for message concealment. Many different carrier file formats can be used, but digital images are the common, because of their frequency in the Internet.