Efficient transmission of 1D and 2D chaotic map encrypted images with orthogonal frequency division multiplexing

Hossam M. Kasem; Mohamed E. Nasr; Elsayed A. Sallam; F. E. Abd El-Samie

doi:10.1117/12.913217

30 September 2011 Efficient transmission of 1D and 2D chaotic map encrypted images with orthogonal frequency division multiplexing

Hossam M. Kasem, Mohamed E. Nasr, Elsayed A. Sallam, F. E. Abd El-Samie

Author Affiliations +

Proceedings Volume 8285, International Conference on Graphic and Image Processing (ICGIP 2011); 82850D (2011) https://doi.org/10.1117/12.913217
Event: 2011 International Conference on Graphic and Image Processing, 2011, Cairo, Egypt

Abstract

Image transmission takes place as an important research branch in multimedia broadcasting communication systems in the last decade. Our paper presents image transmission over a FFT-OFDM (Fast Fourier Transform Orthogonal Frequency Division Multiplexing). The need for encryption techniques increase with the appearance of the expression which said that our world became small village, and the use of image application such as conference and World Wide Web which increase rapidly in recent years. Encryption is an effective method for protecting the transmitted data by converting it into a form being invisible over transmission path and visible in receiver side. This paper presents a new hybrid encryption technique based on combination of Backer maps and logistic map. This proposed technique aims to increase PSNR and reduce the noise in the received image. The encryption is done by shuffling the positions of a pixel image using two dimensional Baker maps then encrypt using XOR operation with logistic map to generate cipher image over orthogonal frequency multiplexing (OFDM). The encryption approach adopted in this paper is based on chaotic Baker maps because the encoding and decoding steps in this approach are simple and fast enough for HDTV applications. The experimental results reveal the superiority of the proposed chaotic based image encryption technique using two logistic maps and two dimensional Backer map over normal Backer map.

Citation Download Citation

Hossam M. Kasem, Mohamed E. Nasr, Elsayed A. Sallam, and F. E. Abd El-Samie "Efficient transmission of 1D and 2D chaotic map encrypted images with orthogonal frequency division multiplexing", Proc. SPIE 8285, International Conference on Graphic and Image Processing (ICGIP 2011), 82850D (30 September 2011); https://doi.org/10.1117/12.913217

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