Data hiding or information is a prominent class of security that aims at reliably conveying secret data embedded in cover object over covert channel. Digital media such as audio, image, video, and three-dimensional (3D) can act objects to carry

Steganography is the art of hiding and transmitting data through apparently innocuous carriers in an effort to conceal the existence of the data. A lot of steganography algorithms have been proposed recently. Many of them use the digital image data as a carrier. In data hiding scheme of halftoning and coordinate projection, still image data is used as a carrier, and the data of carrier image ar...