Title :
Image Scrambling Technology by Wavelet Transformation and Prime Theory
Author :
Zhang, Wen-hua ; Chen, Ya-song
Author_Institution :
Basic Dept., Tangshan Coll., Tangshan, China
Abstract :
This paper extracted the low frequency coefficients, scramble the low frequency coefficients by prime algorithm, reconstruct the coefficients that be scrambled to get the final image. The algorithm expands the dimension of key space and increases the secrecy of the image.
Keywords :
cryptography; image coding; wavelet transforms; image scrambling technology; image secrecy; prime theory; wavelet transformation; Algorithm design and analysis; Arrays; Digital images; Encryption; Image reconstruction; Wavelet transforms;
Conference_Titel :
Control, Automation and Systems Engineering (CASE), 2011 International Conference on
Conference_Location :
Singapore
Print_ISBN :
978-1-4577-0859-6
DOI :
10.1109/ICCASE.2011.5997520
