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Joint multiple watermarking and non-expansion visual cryptography

  • Hao Luo*
  • , Zhenfei Zhao
  • , Jeng Shyang Pan
  • , Zhe Ming Lu
  • *Corresponding author for this work
  • Heilongjiang University of Science and Technology
  • National Kaohsiung University of Science and Technology
  • Sun Yat-Sen University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper proposes a scheme to hide two watermarks in visual secret sharing of a gray level image. One watermark is embedded during secret image halftoning, and the other watermark is hidden during the halftone image encryption. A non-expansion visual secret sharing model is used to encrypt the halftone image. In data extraction, only Exclusive-OR operation is needed. Experimental results show the effectiveness of our scheme.

Original languageEnglish
Title of host publicationIWSDA 07 - 3rd International Workshop on Signal Design and Its Applications in Communications
Pages48-52
Number of pages5
DOIs
StatePublished - 2007
Event3rd International Workshop on Signal Design and Its Applications in Communications, IWSDA 2007 - Chengdu, China
Duration: 23 Sep 200727 Sep 2007

Publication series

NameIWSDA 07 - 3rd International Workshop on Signal Design and Its Applications in Communications

Conference

Conference3rd International Workshop on Signal Design and Its Applications in Communications, IWSDA 2007
Country/TerritoryChina
CityChengdu
Period23/09/0727/09/07

Keywords

  • Digital halftoning
  • Lossless reconstruction
  • Multiple watermarking
  • Non-expansion
  • Visual cryptography

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