All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Review Article Open Access

A STUDY OF STEGANOGRAPHY TECHNIQUES USING DISCRETE WAVELET TRANSFORM

Abstract

Steganography is the science that involves communicating secret data in an appropriate multimedia carrier .The goal here is always to conceal the very existence of the embedded data .Unlike the space domain approaches, secret messages are embedded in the high frequency coefficients resulted from Discrete Wavelet Transform. Coefficients in the low frequency sub-band are preserved unaltered to improve the image quality.In this paper a detailed survey of existing and newly proposed steganographic techniques has been discussed.

Pratap Chandra Mandal

To read the full article Download Full Article

Perfect Arab sexy girls on https://aflamaljins.com/