Visual Pixel Expansion of Secret Image

Vijayaraj.A; Velmurugan.N

Visual Pixel Expansion of Secret Image

Vijayaraj.A * §

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Velmurugan.N §

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§ Saveetha Engineering College,Anna University,Chennai.

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Abstract

Two common drawbacks of the visual cryptography scheme (VCS) are the large pixel expansion of each share image and the small contrast of the recovered secret image. In this paper, we propose a step construction to construct VCSOR and VCSXOR for general access structure by applying (2,2)-VCS recursively, where a participant may receive multiple share images. The proposed step construction generates VCSOR and VCSXOR which have optimal pixel expansion and contrast for each qualified set in the general access structure in most cases. Our scheme applies a technique to simplify the access structure, which can reduce the average pixel expansion (APE) in most cases compared with many of the results in the literature. Finally, we give some experimental results and comparisons to show the effectiveness of the proposed scheme.

References

8 Cites in Article

Reference Format

1. Moni Naor,Adi Shamir (1995). Visual cryptography. Lecture Notes in Computer Science, 950, 1-12.
2. E Bihman,A Itzkovitz (1997). Visual Cryptography with polarization. RUMP Session of CRYPTO'98
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4. Carlo Blundo,Alfredo De Santis,Douglas Stinson (1999). On the Contrast in Visual Cryptography Schemes. Journal of Cryptology, 12(4), 261-289.
5. C Yang (2004). New visual secret sharing schemes using probabilistic method. Pattern Recognit. Lett, 25, 481-494.
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7. X Chen (1999). On the simplification of the acces: structure secret sharing schemes(in Chinese). China Sci. Bulletin, 15, 1599-1603.
8. C Yang,T Chen (2002). Size -adjustable visual secret sharing schemes. ASIA CRYPT'2002, 2501, 328-345.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Vijayaraj.A, Velmurugan.N. . "Visual Pixel Expansion of Secret Image". Global Journal of Computer Science and Technology GJCST Volume 11 (GJCST Volume 11 Issue 20).

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GJCST Volume 11 Issue 20

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

Average pixel expansion (APE)Secret image Share image VCSOR VCSXOR Visual Cryptography Scheme (VCS)

Classification

GJCST Classification I.4.6

Submission ReceivedOctober 20, 2011
Peer Review Double Blind
Handling Editor
Accepted November 18, 2011
Published December 10, 1965

Version of record

v1.2

Language

English

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Article Matrices

Total Score: 142

Country: India

Subject: Global Journal of Computer Science and Technology

Authors: Velmurugan.N,Vijayaraj.A (PhD/Dr. count: 0)

View Count (all-time): 320

Total Views (Real + Logic): 8555

Total Downloads (simulated): 562

Publish Date: 2011 11, Wed

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Total Views: 8.6K

Total Downloads: 562

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