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A novel image secret sharing scheme with meaningful shares

 
: Cai, Hongliang; Liu, Huajian; Qizhao, Yuan; Steinebach, Martin; Xiaojing, Wang

:

Institute of Electrical and Electronics Engineers -IEEE-; IEEE Signal Processing Society:
IEEE 40th IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2015. Proceedings. Vol.3 : 19-24 April 2015, Brisbane, Australia
Piscataway, NJ: IEEE, 2015
ISBN: 978-1-4673-6997-8
ISBN: 978-1-4673-6998-5
S.1767-1771, Paper IFS-P2.2
International Conference on Acoustics, Speech, and Signal Processing (ICASSP) <40, 2015, Brisbane>
Englisch
Konferenzbeitrag
Fraunhofer SIT ()
image secret sharing; image encryption; multimedia security; coding theory

Abstract
In this paper a novel (t, n) threshold image secret sharing scheme is proposed. Based on the idea that there is close connection between secret sharing and coding theory, coding method on GF(2m) is applied in our scheme instead of the classical Lagrange's interpolation method in order to deal with the fidelity loss problem in the recovery. All the generated share images are meaningful and the size of each share image is the same as the secret image. The analysis proves our scheme is perfect and ideal and also has high security. The experiment results demonstrate that all the shares have high quality and the secret image can be recovered exactly.

: http://publica.fraunhofer.de/dokumente/N-345422.html