@inproceedings{34f419cdf3354ad8bf06d797da5c5298,
title = "Extended visual cryptography scheme for color images with no pixel expansion",
abstract = "A &-out-of-η Extended Visual Cryptography Scheme (EVCS) is a secret sharing scheme which hides a secret image into η shares, which are also some images. The secret image can be recovered if at least k of the shares are superimposed, while nothing can be obtained if less than κ shares are known. Previous EVCS schemes are either for black-and-white images or having pixel expansion. In this paper, we propose the first κ-out-of-n EVCS for color images with no pixel expansion. The scheme also improves the contrast of the n shares and the reconstructed secret image (i.e. the superimposed image of any κ or more shares) by allowing users to specify the level of each primary color (i.e. Red, Green and Blue) in the image shares as well as the reconstructed secret image.",
keywords = "Extended visual Cryptography, Information hiding, Secret sharing",
author = "Xiaoyu Wu and Wong, {Duncan S.} and Qing Li",
year = "2010",
month = dec,
day = "1",
language = "English",
isbn = "9789898425188",
series = "SECRYPT 2010 - Proceedings of the International Conference on Security and Cryptography",
pages = "423--426",
booktitle = "SECRYPT 2010 - Proceedings of the International Conference on Security and Cryptography",
note = "International Conference on Security and Cryptography, SECRYPT 2010 ; Conference date: 26-07-2010 Through 28-07-2010",
}