南南南南南南 南南南南南 DESP 南南南南南南南南南南南南 DATA ENGINEERING & SIGNAL PROCESSING LAB 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. Reversible data hiding scheme based on neighboring pixel differences
Reversible data hiding scheme based on neighboring pixel differences
Jan 05, 2016
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。
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