Covert Communication Using Arithmetic Division Operation

This digital era has seen a tremendous growth in technology and we find ourselves amidst vast amounts of data that needs to be accessed and shared with people all over the World. A challenge is posed when data has to be transmitted secretly and securely. This paper presents a scheme for covert communication using data compression and the arithmetic division operation. The secret data is first compressed using a compression algorithm and then embedded into the edges of the cover image using an arithmetic division operation and various other logical operations. Experimental results indicate that the proposed technique provides a stego image of good visual quality. Our steganographic technique also achieves a good Peak Signal to Noise Ratio as well as a good Structural Similarity Index value.