Steganography is an art of concealing the fact with the purpose of communication, by hiding one information in other information. In steganography, many different carrier file formats are used now days, but the digital images are most popular for hiding information because of their frequency on Internet. There is a large variety of techniques of steganography are available for hiding secret information into images. Each of them has its strong & weak points. Choice of which steganography technique is used it depends on the different requirements of the application. For example, some applications may have need of a bigger secret message to be concealed and some need absolute invisibility of the secret message. This paper gives an overview of different techniques used for image steganography. Among these following techniques DCT & DWT techniques are widely used because of their efficiency.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Copyright © 2025 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.