Literature Survey on Biomedical Steganography

Abstract

The word “steganography” comes from the Greek origin “concealed writing”. With escalating significance on security, fraud, Steganography is gaining its value due to exponential growth and transmission of   secret information through multimedia like internet. In other words, it can be stated as invisible communication. In biomedical steganography, the secret communication is accomplished, where a patient’s information is embedded into a biomedical signal (ECG, EEG, PPG) or image which is taken as a cover signal or image. This survey analysis various steganography techniques used for biomedical signal or image.