Tutorial Review on Image Hiding

Abstract: In the world of digitalization, security of image documents is bigger challenge particularly in era of image processing and analysing. Fast security system is most required in many applications like uploading private profile image, medical imaging system, and military database. And one of the ways to get higher security is encryption. Encryption is technique which convert original image to another image that is hard to understand and to keep the image confidential between users, in other word, it is essential that nobody could get to know the content without a key for decryption. In this paper, we survey many different encryption techniques through which we can easily hide or transfer our important document.

Keywords: Digital image Processing, image encryption, encryption key, image decryption