Steganographic scheme for digital images using difference in neighbouring pixels

J. Y. Hsiao, C. T. Chang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Information hiding embeds secret data inside a cover format such as text, image, audio or video. The present study examines the feasibility of hiding secret data in a greyscale still image. The proposed method uses the secret data bits content, the difference between the target pixel value and the mean of some neighbour pixel values to determine how many secret data bits should be embedded in the target pixel. The present study first notes some limitations in Chang and Tseng's method and then proposes a generalised method that provides better stego image quality and embedding capacity than that of Chang and Tseng's method.

Original languageEnglish
Pages (from-to)291-299
Number of pages9
JournalImaging Science Journal
Volume56
Issue number5
DOIs
Publication statusPublished - 2008 Oct 1

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Pixels
Image quality

All Science Journal Classification (ASJC) codes

  • Media Technology
  • Computer Vision and Pattern Recognition

Cite this

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Steganographic scheme for digital images using difference in neighbouring pixels. / Hsiao, J. Y.; Chang, C. T.

In: Imaging Science Journal, Vol. 56, No. 5, 01.10.2008, p. 291-299.

Research output: Contribution to journalArticle

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