Abstract

Steganography is the science that involves communicating secret data in an appropriate multimedia carrier. The ultimate goal is to conceal the very presence of the embedded data. Current work in the state of the art, whether working in the spatial domain or the frequency domain, cannot tolerate any geometrical attacks, i.e., rotation, translation or cropping. This paper discusses a novel scheme whereby computer vision, particularly skin tone detection, is incorporated into the process of steganography to yield an object oriented embedding mechanism. Skin tone information is deemed to be psycho-visually redundant. The paper also discusses two applications of steganography to digital image forensics and to secure the transmission of electronic patient records (EPRs).