Digital Image Data Hiding Techniques: A Comparative Study
This is an incremental review paper summarizing existing methods for researchers and practitioners in digital image processing.
The paper provides a comparative review of digital image data hiding techniques, including watermarking for copyright protection and steganography for secret data concealment, without presenting new experimental results.
With the advancements in the field of digital image processing during the last decade, digital image data hiding techniques such as watermarking, Steganography have gained wide popularity. Digital image watermarking techniques hide a small amount of data into a digital image which, later can be retrieved using some specific retrieval algorithms to prove the copyright of a piece of digital information whereas, Steganographic techniques are used to hide a large amount of data secretly into some innocuous looking digital medium. In this paper we are providing an up-to-date review of these data hiding techniques.