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Compression-Efficient Reversible Data Hiding in Zero Quantized Coefficients of JPEG Images

  • Jen-Chun Chang
  • Yu-Hsien Lee
  • Hsin-Lung WuEmail author
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 81)

Abstract

In this paper, we study reversible data hiding schemes for JPEG images and we propose a method which is constructed by embedding secret data into zero quantized coefficients. In the proposed method, consecutive zero quantized coefficients in a fixed set of entries of DCT block are used to embed data in the following way. First, the algorithm selects several positions from this fixed set according to the first part of the secret message and modifies selected zero coefficients by small non-zero values according to the second part of the secret message. Experimental results show that our proposed methods have higher embedding capacity and obtain lower ratios between the increased file size and payload than previous methods.

Keywords

Reversible data hiding JPEG images Zero quantized coefficients Compression-efficient 

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of Computer Science and Information EngineeringNational Taipei UniversityNew Taipei CityTaiwan

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