Histogram shifting based reversible data hiding method using directed-prediction scheme

Xianyi Chen, Xingming Sun, Huiyu Sun, Lingyun Xiang, Bin Yang

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

This paper aims at reducing the shifting distortion of histogram shifting reversible data hiding method. Instead of calculating symmetrically the prediction value as were done in other schemes, based on the gradient-adjusted predictor (GAP), a directed-prediction scheme, which includes two asymmetric predictors-the right and left GAPs, is designed to predict asymmetrically pixel value. Then two asymmetric error histograms, with right and left-skewness, are constructed by gathering the directed prediction errors, which effectively reduces the amount of pixels on the shifted side of the error histograms. Moreover, the optimal embedding points and thresholds are calculated by defining an evaluation index of the shifting distortion. Experimental results validate the effectiveness of the proposed method and demonstrate that it outperforms several previous methods in terms of payload and image quality.

Original languageEnglish
Pages (from-to)5747-5765
Number of pages19
JournalMultimedia Tools and Applications
Volume74
Issue number15
Early online date9 Feb 2015
DOIs
Publication statusPublished - Jul 2015

Keywords

  • Asymmetric-histogram shifting
  • Directed-prediction scheme
  • Gradient-adjusted predictor (GAP)
  • Prediction errors
  • Reversible data hiding

Fingerprint Dive into the research topics of 'Histogram shifting based reversible data hiding method using directed-prediction scheme'. Together they form a unique fingerprint.

Cite this