A Comprehensive Review on Secure Image Steganography

Steganography is an art and science of hiding secret information within the other information. Different carrier file formats can be used, but digital images are the most popular to hide secret information because the slight modification in the cover image is hard to distinguish by human visual system. In this paper, we are reviewing various steganographic techniques of hiding text in images using image steganography. This paper provides base to researchers who are new in the field of information hiding.