Image Steganography: Critical Findings through Some Novel Techniques

Abstract

Word ’Steganography’ is originated from Greekand has been used in several forms for 2500 years which is a art of hiding confidential data in any digital manner in such a way that no one can concealed it. It has found practise in various section like in military, government, diplomatic, medical, personal and intelligence agencies. This survey paper put the light on the basic of image steganography along with its different techniques and sub-techniques. Cover selection with recent trend ROI (region Of Interest) is highlighted. In addition, different types of Image file used in image steganography and performance parameter are discuss well.