Reversible data hiding

Zhicheng Ni, Yun Q. Shi, Nirwan Ansari, Wei Su

Research output: Contribution to journalConference articlepeer-review

168 Scopus citations


This paper presents a novel reversible data hiding algorithm, which can recover the original image without distortion from the marked image after the hidden data have been extracted. This algorithm utilizes the zero or the minimum point of the histogram and slightly modifies the pixel values to embed data. It can embed more data as compared to most of the existing reversible data hiding algorithms. A theoretical proof and numerous experiments show that the PSNR of the marked image generated by this method is always above 48 dB, which is much higher than other reversible data hiding algorithms. The algorithm has been applied to a wide range of different images successfully. Some experimental results are presented to demonstrate the validity of the algorithm.

Original languageEnglish (US)
Pages (from-to)II912-II915
JournalProceedings - IEEE International Symposium on Circuits and Systems
StatePublished - 2003
EventProceedings of the 2003 IEEE International Symposium on Circuits and Systems - Bangkok, Thailand
Duration: May 25 2003May 28 2003

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


  • Histogram modification
  • Reversible (lossless) data hiding
  • Watermarking


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