Secure Communication Scheme for Color Image Based on Index Technology

DOI

10.2991/csss-14.2014.140How to use a DOI?

Keywords

Secure communication; Image compression; Chaotic system; Index technology

Abstract

A secure communication scheme for true color image was proposed. It is aimed at the hiding problem of a huge amount of true-color image data in the covert communication and maintaining the good visual quality of carrier image. Secure communication is achieved by combining encryption and hiding. Encryption on secret image is performed in the spatial domain of carrier image. Instead of changing pixel physics position or gray value, encryption method is searching the index value of secret image and hiding it in carrier image. Carrier image is designed as a palette, and the use of chaotic signal to act on the carrier image makes palette colors rich and evenly distributed. Each pixel of secret image is adaptively mapped to a subscript in palette by the minimum principle of Euclidean distance. Secret image is compressed and encoded as a data stream during encryption, reducing the amount of data to be hidden. Secret image is hidden in the wavelet domain of carrier image by using the lifting wavelet transform and multi-channel spread-spectrum embedded way. Simulation experiments show that this secure communication scheme reduces hidden data amount and improves information hiding transparency to ensure the concealment and safety of communication.

Copyright

© 2014, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Peng Jingyu
AU  - Ren Yong
PY  - 2014/06
DA  - 2014/06
TI  - Secure Communication Scheme for Color Image Based on Index Technology
BT  - Proceedings of the 3rd International Conference on Computer Science and Service System
PB  - Atlantis Press
SP  - 599
EP  - 604
SN  - 1951-6851
UR  - https://doi.org/10.2991/csss-14.2014.140
DO  - 10.2991/csss-14.2014.140
ID  - Jingyu2014/06
ER  -