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Coding Efficiency Preserving Steganography Based on HEVC Steganographic Channel Model

  • Yi Dong
  • Xinghao Jiang
  • Tanfeng Sun
  • Dawen Xu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10431)

Abstract

Steganographic Channel Model (SCM) is hard to build for different steganography algorithms in different embedding domains. Thus, theoretical analysis for some important factors in steganography, such as capacity, distortion, is hard to obtain. In this paper, to avoid introducing significant distortion into HEVC video file, a novel HEVC SCM is presented and analyzed. It is firstly proposed that the distortion optimization method in this SCM should be applied on coding efficiency instead of visual quality. According to this conclusion, a novel coding efficiency preserving steganography algorithm based on Prediction Units (PUs) is proposed for HEVC videos. The intra prediction modes of candidate PUs are taken as cover. This algorithm was tested on the dataset consisting of 17,136 HD sequences. The Experimental results prove the correctness of the previous conclusion and the practicability of the proposed channel model, and show that our algorithm outperforms the existing HEVC steganography algorithm in capacity and perceptibility.

Keywords

Steganography channel model Coding efficiency HEVC Prediction Units 

Notes

Acknowledgement

This work was supported by the National Natural Science Foundation of China (No. 61572320, 61572321), and also supported by Zhejiang Provincial Natural Science Foundation of China (LY17F020013).

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Yi Dong
    • 1
  • Xinghao Jiang
    • 1
    • 2
  • Tanfeng Sun
    • 1
    • 2
  • Dawen Xu
    • 3
  1. 1.School of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghaiChina
  2. 2.National Engineering Lab on Information Content Analysis Techniques, GT036001ShanghaiChina
  3. 3.School of Electronics and Information EngineeringNingbo University of TechnologyNingboPeople’s Republic of China

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