Title :
On the Randomness of Visual Cryptography Scheme
Author :
Teng Guo ; Feng Liu ; Chuankun Wu ; Yawei Ren ; Wen Wang
Author_Institution :
State Key Lab. of Inf. Security, Inst. of Inf. Eng., Beijing, China
Abstract :
The randomness of visual cryptography scheme (VCS) measures at least how many random bits are required to encode a secret pixel. In this paper, the randomness of decomposition-based VCS proposed by Ateniese et al. is reduced significantly.
Keywords :
cryptography; image coding; decomposition-based VCS randomness; random bits; secret pixel encoding; visual cryptography scheme randomness; Cryptography; Matrix decomposition; Signal processing; Stacking; Upper bound; Visualization; Visual cryptography; decomposition-based; randomness;
Conference_Titel :
Intelligent Information Hiding and Multimedia Signal Processing, 2013 Ninth International Conference on
Conference_Location :
Beijing
DOI :
10.1109/IIH-MSP.2013.104
