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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. - PowerPoint PPT Presentation
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南台科技大學 資訊工程系
DESP資料工程暨訊號處理實驗室
DATA ENGINEERING & SIGNAL PROCESSING LAB
Adviser : Pro.Yu-Chiang LiSpeaker : Yi-Lun ChenDATE : 2013/11/20Author : Y.Y. Tsai, D.S. Tsai, and C.L. LiuData Source : Digital Signal Processing, Vol.23, No.3, pp. 919-927, 2013.
Reversible data hiding scheme based on neighboring pixel differences
DESP
2
Outline
Introduction1
Background & Literatures Review2
Materials & Methods3
Experiments and Result4
Conclusion5
DESP
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。