Image Steganography Hiding Secrete Image and Text in Cover Image Using Matlab Project Code

ABSTRACT

                  Steganography is going to gain its importance due to the exponential growth and secret communication of potential computer users over the internet. It can also be defined as the study of invisible communication that usually deals with the ways of hiding the existence of the communicated message. Generally data embedding is achieved in communication, image, text, voice or multimedia content for copyright, military communication, authentication and many other purposes. In image Steganography, secret communication is achieved to embed a message into cover image (used as the carrier to embed message into) and generate a stego-image (generated image which is carrying a hidden message). Steganography is the art or practice of concealing a message, image, or file within another message, image, or file. It is the art and science of communicating in such a way that the presence of a message cannot be detected. Generally, the hidden messages will appear to be (or be part of) something else: images, articles, shopping lists, or some other cover text. For example, the hidden message may be in invisible ink between the visible lines of a private letter. In this paper we proposed Steganography based on alpha channel.

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