Generic lossless visible watermarking-A new approach

Tsung Yuan Liu*, Wen-Hsiang Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


A novel method for generic visible watermarking with a capability of lossless image recovery is proposed. The method is based on the use of deterministic one-to-one compound mappings of image pixel values for overlaying a variety of visible watermarks of arbitrary sizes on cover images. The compound mappings are proved to be reversible, which allows for lossless recovery of original images from watermarked images. The mappings may be adjusted to yield pixel values close to those of desired visible watermarks. Different types of visible watermarks, including opaque monochrome and translucent full color ones, are embedded as applications of the proposed generic approach. A two-fold monotonically increasing compound mapping is created and proved to yield more distinctive visible watermarks in the watermarked image. Security protection measures by parameter and mapping randomizations have also been proposed to deter attackers from illicit image recoveries. Experimental results demonstrating the effectiveness of the proposed approach are also included.

Original languageEnglish
Article number5393031
Pages (from-to)1224-1235
Number of pages12
JournalIEEE Transactions on Image Processing
Issue number5
StatePublished - 1 May 2010


  • Lossless reversible visible watermarking
  • Mapping randomization
  • One-to-one compound mapping
  • Parameter randomization
  • Translucent watermark
  • Two-fold monotonically increasing

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