Results 121 to 130 of about 2,970 (157)
Some of the next articles are maybe not open access.
On generating meaningful shares in visual secret sharing scheme
Imaging Science Journal, 2008AbstractIn the k-out-of-n visual secret sharing scheme (VSSS) proposed by Naor and Shamir, a binary secret image is encoded into n shares called transparencies. Each share, consisting of black and white pixels, is in the form of noise and has size larger than that of the secret image.
Tzung-Her Chen, Gwoboa Horng
exaly +2 more sources
Size-Adjustable Visual Secret Sharing Schemes
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2005Visual secret sharing (VSS) scheme is a perfect secure method that protects a secret image by breaking it into shadows. Unlike other secret sharing schemes, the VSS scheme can be easily decoded by the human visual sight when staking the shadows. We replace a pixel in the secret image by m sub pixels in the shadow image and the value m is called as ...
Ching-Nung Yang, Tse-Shih Chen
openaire +1 more source
A privilege-based visual secret sharing model
Journal of Visual Communication and Image Representation, 2015The first paper discusses the privilege concept in visual cryptography.A model is proposed to help the design of the sharing matrices.High privilege participant has better capability to reveal the secret image.The restored image has better contrast than other researches.
Chih-Fong Tsai
exaly +2 more sources
Cheating Immune Threshold Visual Secret Sharing
The Computer Journal, 2009In this paper we consider the problem of cheating for visual cryptography schemes. Although the problem of cheating has been extensively studied for secret sharing schemes, little work has been done for visual secret sharing. We provide the first formal definition of cheating and new (2,n)-threshold and (n,n)-threshold visual cryptography schemes ...
DE PRISCO, Roberto, DE SANTIS, Alfredo
openaire +1 more source
Visual secret sharing with cheating prevention revisited
Digital Signal Processing, 2013Visual secret sharing (VSS) is a variant form of secret sharing, and is efficient since secret decoding only depends on the human vision system. However, cheating in VSS, first showed by Horng et al., is a significant issue like a limelight. Since then, plenty of studies for cheating activities and cheating prevention visual secret sharing (CPVSS ...
Yu-Chi Chen 0001 +2 more
openaire +1 more source
Visual Secret Sharing Without Pixel Expansion
International Journal of Digital Crime and Forensics, 2015Visual Secret Sharing (VSS) is a powerful approach for protecting image sharing through unsecured computer network such as the Internet. Pixel expansion and bad image quality are the most common problems of this approach. Visual secret sharing technique is proposed for grayscale images to eliminate pixel expansion problem using image compression.
Ali Makki Sagheer, Laith Hamid Abed
openaire +1 more source
Sharing multiple secrets using visual cryptography
2009 IEEE International Symposium on Circuits and Systems, 2009Visual cryptography provides a very powerful technique by which one secret can be distributed into two or more pieces known as shares. When the shares on transparencies are superimposed exactly together the original secret can be discovered without computer participation. In this paper, we take multiple secrets into consideration, and generate a master
Jonathan Weir, WeiQi Yan 0001
openaire +1 more source
Swarming with (Visual) Secret (Shared) Mission
2022 IEEE 21st International Symposium on Network Computing and Applications (NCA), 2022Shlomi Dolev +2 more
openaire +1 more source
AnimVSS: Frame-Based Visual Secret Sharing
2014Visual secret sharing is a cryptographic paradigm encrypting images into a number of individually random “shadow images”. When stacked, they reveal a contrast-reduced version of a secret image. In this paper, we consider random grid shadow images, which have gained increasing attention in recent years due to lack of pixel expansion inherent in Naor ...
Neil Buckley 0001 +2 more
openaire +1 more source
International Journal of Engineering in Computer Science, 2021
K Santha Sheela ME +4 more
openaire +1 more source
K Santha Sheela ME +4 more
openaire +1 more source