Review on Different Methods of Image Steganography

Priyanka Dongardive, Neelesh Gupta, Meha Khare

Abstract: Steganography is the specialty of concealing the way that correspondence is occurring, by concealing data in other data. Numerous distinctive transporter record organizations could be utilized; however computerized pictures are the most mainstream on account of their recurrence on the Internet. For concealing mystery data in pictures, there exists a vast assortment of steganography systems; some are more unpredictable than others and every one of them have particular solid and feeble focuses. Distinctive requisitions have diverse prerequisites of the steganography strategy utilized. Case in point, a few provisions may oblige outright imperceptibility of the mystery data, while others oblige a bigger mystery message to be covered up. In this paper we are contemplating the systems and strategies utilized for effective steganography. After investigation of different methods we can predict that the effective steganography could be structure with DCT and the clamor lessening for the recovery unknown data from stego picture.

Keywords: Steganography, DWT, PSNR, JPEG image