| Paper Abstract and Keywords |
| Presentation |
2007-05-18 15:35
Visual Cryptography Schemes with Cyclic Structure for Many Images
Miyuki Uno, Mikio Kano (Ibaraki Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We consider a visual cryptography sharing scheme with
cyclic access structure
for $n$ secret images and $n$ shares,
where two consecutive shares decode one secret image.
This secret sharing scheme can be constructed by using
Droste's method. However the contrast of its scheme is $1/(2n)$.
In this paper, a new construction of such a secret sharing scheme
is given, and its contrast is $1/4$ for $n\ge 4$ and
$1/6$ for $n=3$.
It is also shown that this contrast is sharp for every $n$. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
visual cryptography / VCS / visual secret sharing / VSS / VCS for many secret images / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 107, no. 44, ISEC2007-12, pp. 77-84, May 2007. |
| Paper # |
ISEC2007-12 |
| Conference Information |
| Committee |
ISEC |
| Conference Date |
2007-05-18 - 2007-05-18 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
ˆê”Ê |
| Topics (in English) |
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| Paper Information |
| Registration To |
ISEC |
| Conference Code |
2007-05-ISEC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Visual Cryptography Schemes with Cyclic Structure for Many Images |
| Sub Title (in English) |
|
| Keyword(1) |
visual cryptography |
| Keyword(2) |
VCS |
| Keyword(3) |
visual secret sharing |
| Keyword(4) |
VSS |
| Keyword(5) |
VCS for many secret images |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Miyuki Uno |
| 1st Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
| 2nd Author's Name |
Mikio Kano |
| 2nd Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
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| Speaker |
1 |
| Date Time |
2007-05-18 15:35:00 |
| Presentation Time |
25 |
| Registration for |
ISEC |
| Paper # |
IEICE-ISEC2007-12 |
| Volume (vol) |
IEICE-107 |
| Number (no) |
IEICE-ISEC-44 |
| Page |
pp.77-84 |
| #Pages |
IEICE-8 |
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