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Reversible data hiding scheme based on neighboring pixel differences. Adviser : Pro.Yu -Chiang Li Speaker : Yi- Lun Chen DATE : 2013/11/20 Author : Y.Y. Tsai, D.S. Tsai, and C.L. Liu Data Source : Digital Signal Processing, Vol.23, No.3, pp. 919-927, 2013. Outline. Introduction. 1.

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Reversible data hiding scheme based on neighboring pixel differences

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Reversible data hiding scheme based on neighboring pixel differences

Reversible data hiding scheme based on neighboring pixel differences

Adviser:Pro.Yu-Chiang LiSpeaker: Yi-Lun ChenDATE:2013/11/20Author:Y.Y. Tsai,D.S. Tsai, andC.L. LiuData Source: Digital Signal Processing, Vol.23, No.3, pp. 919-927, 2013.


Outline

Outline

Introduction

1

Background & Literatures Review

2

Materials & Methods

3

Experiments and Result

4

Conclusion

5


Background literatures review 11 12

Background & Literatures Review(11/12)

對於增加隱藏容量,Zhao等人利用多層次直方圖修改(MHM)演算法基於像素差。

該演算法採用嵌入級別(EL)來表示嵌入倉(bin)。

因此,峰值與零點的資訊在他們所提出的演算法是不必要的。


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