Implementation of Text and Image Fusion in the Area of Security

Abstract

The image is most widely used communication mode in the different areas like medical area research area, business area, military area etc. The important image transfer will take place over an unsecured internet network .thus there is need of proper security for the image to avoid the unauthorized person’s access the important information. the advantage of image is that it covers more multimedia data and it need protection .the cryptography is a kind of image security method ;that offers the secure transmission and storage method for the image over the internet security is the major concern for any system to maintain the integrity ,confidentiality and image authenticity. Today the world is going to be digitalized. Every business units, government and private sectors, research units are using the digital image as transferring mode for every critical data. This image over the internet which will be not secure therefore there is a need of image security. In this paper we have discussed various image security techniques. In particular we are using DWT, based approach.