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Akbarian, H. (2014). Robust Steganography Algorithm Text in the Image Using A Spread Spectrum Method. Electronic and Cyber Defense, 2(3), 77-83.
Hassan Akbarian. "Robust Steganography Algorithm Text in the Image Using A Spread Spectrum Method". Electronic and Cyber Defense, 2, 3, 2014, 77-83.
Akbarian, H. (2014). 'Robust Steganography Algorithm Text in the Image Using A Spread Spectrum Method', Electronic and Cyber Defense, 2(3), pp. 77-83.
Akbarian, H. Robust Steganography Algorithm Text in the Image Using A Spread Spectrum Method. Electronic and Cyber Defense, 2014; 2(3): 77-83.

Robust Steganography Algorithm Text in the Image Using A Spread Spectrum Method

پدافند الکترونیکی و سایبری
Article 6, Volume 2, Issue 3, February 2020, Pages 77-83    PDF (982.21 K)
Author
Hassan Akbarian*
Master's student, Shahid Sattari University of Aviation Sciences and Technology
Receive Date: 10 November 2013,  Revise Date: 04 July 2023,  Accept Date: 19 September 2018 
Abstract
Due to the epidemic growing of telecommunication systems and new services, the demand for radio
frequency spectrum has greatly increased to the extent that the radio frequency spectrum has been a vital
source of value to radio communications.
Therefore, managing the efficient use of the frequency spectrum of the different technologies and different
services is very difficult. In the past, this was done by assigning a frequency spectrum for each service, But
another way to solve this problem is based on the characteristics of a modulation that shares the frequency
band without significant interference. This method is called spread spectrum modulation.
Spread spectrum steganography method uses a spread spectrum communication concept in which a narrowband
signal is transferred into a pseudo-noise signal. This method shows a very high ability to withstand
adverse interactions.
It also has security advantages of the encryption based on the keys used in the production of different strings
pseudo-random orthogonal - such as Gold strings.
To spread the message signal spectrum, the Hadamard matrix is used with appropriate statistical properties
of low cross-correlation.
In this paper we have studied Steganography by Hadamard matrix and it is compared with a simple method.
Keywords
Spread Spectrum Communication; Steganography; Embedding Data; Image Processing
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