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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 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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  1. 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.

  2. Outline Introduction 1 Background & Literatures Review 2 Materials & Methods 3 Experiments and Result 4 Conclusion 5

  3. 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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