Abstract

Ahmed Madani
A ROBUST STEGANOGRAPHY TECHNIQUE USING DISCRETE COSINE TRANSFORM ION
A large number of commercial steganographic programs use the Least Significant Bit embedding (LSB) as the method of choice for message hiding in 24-bit, 8-bit color images, and grayscale images respectively. It is commonly believed that changes to the LSBs of colors cannot be detected due to noise that is always present in digital images [1]. In this paper, we describe the LSB ion technique, the Discrete Cosine Transform (DCT) ion technique is described and finally we will propose a new technique that uses the idea of ing a bit in the spatial domain combined with the DCT ion technique.