Diamond shape division reversible data hiding in encrypted images

Chuan-Kuei Huang, Dyi-Cheng Chen, Wei Liang Liu, Sung Chin Huang

Research output: Contribution to journalArticle

Abstract

Visible data hiding embeds secret messages in media to reduce distortion such that an unintended observer will not be aware of the existence of the hidden mes- sages. The conventional reversible data hiding (RDH) embedding capacity is so low. This study focuses on the need for higher embedding capacity, and then proposes an improving reversible data hiding method in encrypted images. Natural images contain strong corre- lations among adjacent pixels. Generally statistical analysis on large amounts of images shows that averagely adjacent 8 to 16 pixels are correlative in horizontal, vertical, and also diagonal directions. In this study, a diamond shape division contains 13 pixels in a block, meets the characteristics of natural images. The experimental results show the proposed method not only enhances the embedding capacity but also remains high security.

Original languageEnglish
Pages (from-to)1559-1566
Number of pages8
JournalICIC Express Letters, Part B: Applications
Volume8
Issue number12
Publication statusPublished - 2017 Dec 1

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Diamonds
Pixels
Statistical methods

All Science Journal Classification (ASJC) codes

  • Computer Science(all)

Cite this

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Diamond shape division reversible data hiding in encrypted images. / Huang, Chuan-Kuei; Chen, Dyi-Cheng; Liu, Wei Liang; Huang, Sung Chin.

In: ICIC Express Letters, Part B: Applications, Vol. 8, No. 12, 01.12.2017, p. 1559-1566.

Research output: Contribution to journalArticle

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