'Visual cryptography' presentation slideshows

A Neural-Network Approach for Visual Cryptography

718 views • 52 slides

Visual Cryptography

Visual Cryptography. Hossein Hajiabolhassan Department of Mathematical Sciences Shahid Beheshti University Tehran, Iran. Secret Sharing Scheme. A secret sharing scheme is a method of dividing a secret S among a finite set of participants .

729 views • 43 slides

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?????. Chair Professor Chin-Chen Chang ( ??? ) National Tsing Hua University ( ???? ) National Chung Cheng University ( ???? ) Feng Chia University ( ???? ) http://msn.iecs.fcu.edu.tw/~ccc. Outlines. Concept of Secret Sharing Concept of visual cryptography

544 views • 42 slides

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?????. Chair Professor Chin-Chen Chang ( ??? ) National Tsing Hua University ( ???? ) National Chung Cheng University ( ???? ) Feng Chia University ( ???? ) http://msn.iecs.fcu.edu.tw/~ccc. Outlines. Concept of Secret Sharing Concept of visual cryptography

437 views • 42 slides

Man vs. Machine (human-computer cryptography)

760 views • 41 slides

Chapter 5: Hash Functions++

493 views • 38 slides

Presenter ? Ying-Yu Chen Authors: Ying-Yu Chen, Justie Su-Tzu Juan

A Study of ( k, n )-threshold Secret Image Sharing Schemes in Visual Cryptography without Expansion. Presenter ? Ying-Yu Chen Authors: Ying-Yu Chen, Justie Su-Tzu Juan. Department of Computer Science and Information Engineering National Chi Nan University Puli, Nantou Hsien, Taiwan .

373 views • 21 slides

Visual Cryptography for Gray-Level Images by Dithering Techniques

Visual Cryptography for Gray-Level Images by Dithering Techniques. Author ? Chang-Chou Lin, Wen-Hsiang Tsai Source ? Pattern Recognition Letters 24 ? 2003 ? 349-358 Speaker ? Shu-Fen Chiou ?????. Outline. Introduction

231 views • 21 slides

Advanced Information Security March 11, 2010 Presenter: Semin Kim

Visual Cryptography. Advanced Information Security March 11, 2010 Presenter: Semin Kim. Overview. Introduction of Paper Visual Cryptography How to make? Basic Idea Color Visual Cryptography Conclusions. Overview. Introduction of Paper Visual Cryptography How to make? Basic Idea

317 views • 19 slides

Bit-level based secret sharing for image encryption

258 views • 13 slides

Halftone Visual Cryptography

Halftone Visual Cryptography. IEEE TRANSACTIONS ON IMAGE PROCESSING, VOL. 15, NO. 8, AUGUST 2006, pp. 2441-2453 Zhi Zhou, Gonzalo R. Arce, and Giovanni Di Crescenzo Reporter: Jen-Bang Feng. Visual Cryptography. +. =. +. =. Visual Cryptography. The Proposed Scheme. Comparisons. EX.

519 views • 10 slides