Results 231 to 240 of about 1,969 (259)
Some of the next articles are maybe not open access.
Constructions and bounds for visual cryptography
1996A visual cryptography scheme for a set P of n participants is a method to encode a secret image SI into n images in such a way that any participant in P receives one image and only qualified subsets of participants can “visually” recover the secret image, but non-qualified sets of participants have no information, in an information theoretical sense ...
ATENIESE, GIUSEPPE +3 more
openaire +1 more source
Visual Cryptography Scheme with Autostereogram
2015Visual cryptography scheme (VCS) is an encryption technique that utilizes the human visual system in recovering of the secret image and does not require any cryptographic computation. Autostereogram is a single two dimensional image which becomes a virtual three dimensional image when viewed with proper eye convergence or divergence.
Daoshun Wang, Feng Yi, Ching-Nung Yang
openaire +1 more source
Visual cryptography on postage stamps
ACM SIGCAS Computers and Society, 2015Some national post offices offer postage stamps showing an image chosen by the customer, but in at least one case, an image was refused for political reasons. Visual cryptography was used to get the post office to produce two stamps showing images which are closely related to the rejected image.
openaire +1 more source
A Study for Security of Visual Cryptography
2023Binh Le Thanh Thai, Hidema Tanaka
openaire +1 more source
Contrast Optimal Threshold Visual Cryptography Schemes
SIAM Journal on Discrete Mathematics, 2003Carlo Blundo
exaly
Visual cryptography for grey level images
Information Processing Letters, 2000Alfredo De Santis +2 more
exaly
A new definition of the contrast of visual cryptography scheme
Information Processing Letters, 2010Chuankun Wu
exaly