A novel image steganographic technique using Position Power First Mapping (PPFM)

The expanding possibilities of the modern communication demand certain means of security that promote confidentiality as well as the integrity of information. To bypass the attention of the potential attackers, the domain of steganography as a whole minimizes the chances of tracing out or detecting any kind of hidden information during transmission. In this paper, we propose a new steganographic technique that imposes an efficient approach of data hiding in image medium. The cover image is encrypted with the aid of a special transformation (Arnolds Transformation), in the beginning so as to entail assured security. A unique embedding approach of Position Power First Mapping (PPFM) steadily inserts the secret data bits into the encrypted cover. Inverse Arnolds Transformation procreates the imperceptible stego-image. The embedding capacity is significantly high and is therefore very adept in this modern world. Also, the stego-image formed clearly resembles its respective cover image, thereby eliminating any sort of third party suspicion.