Hiding images using modified search-order coding and modulus function

Yu Jie Chang*, Ran Zan Wang, Chih-Ching Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This paper proposes a method for hiding an important image in a cover image whose size is limited. In this method, in order to save space, a modified search-order coding (MSOC) technique first transforms the important image, then, a randomization procedure permutes the transformed image to further increase the security. Finally, a modulus function embeds the permuted code in a cover image; notably, in the modules function, the modulus base used for a pixel is determined according to the variance of its neighboring pixels. Experimental results show that the images are of high quality. Comparisons with reported methods are provided.

Original languageEnglish
Pages (from-to)1215-1240
Number of pages26
JournalInternational Journal of Pattern Recognition and Artificial Intelligence
Issue number6
StatePublished - 1 Sep 2008


  • Data hiding
  • Modulus function
  • Search-order coding
  • Steganography

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