Steganography via Secret-fragment-visible Mosaic Images by Nearly-reversible Color Transformation

Abstract

A new secure image Steganography is proposed, images from different sources are used to transmit via internet for so many purposes such as confidential achieves, military images, Medical image process. The large volume-sized secret image is transformed in to secret fragment visible mosaic image. It also handles the overflows and underflows in the transformed pixels. The data hiding is based on Image encryption technique and recovered through Decryption. The secret image divided into blocks and transforms their block processed and color characteristics into blocks of target size. Secret Image is embedding in the target image by skilful technique. The information needed for recovering secret image which is embedded into processed mosaic image by a lossless with data hiding scheme using a key.