Securing Image Steganogarphy Based on Visual Cryptography And Integer Wavelet Transform

Abstract

The increased use of internet communication has given rise to the field of image steganography and made it necessary to secure digital content. Current image steganography techniques lack novelty and are based on using traditional cryptography solutions for secret image that is embedded in cover image. This research paper proposed and implemented a new method to secure embedded secret image using visual cryptography. A two level integer wavelet transformation technique was applied on the cover image to obtain the coefficients which were used later during the secret image embedding process. The experimental results indicated that high invisibility was achieved for secret image and the ability to embed more than one secret image within the cover image. Also, the use of visual cryptography eliminated the need for permutation process which would otherwise be required for secret image.