A new adaptive image steganography scheme based on DCT and chaotic map

被引：42
|
作者：
Saidi, Marwa [1 ]
Hermassi, Houcemeddine [1 ]
Rhouma, Rhouma [1 ]
Belghith, Safya [1 ]
机构：
[1] Univ Tunis El Manar, ENIT, BP 37 Le Belvedere, Tunis 1002, Tunisia
来源：
MULTIMEDIA TOOLS AND APPLICATIONS | 2017年 / 76卷 / 11期
关键词：
Chaotic data hiding; DCT embedding; Zigzag scan; DCT based steganography; ALGORITHM;
D O I：
10.1007/s11042-016-3722-6
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a novel steganographic scheme is proposed based on chaotic map in the DCT domain. The proposed method apply the DCT on the cover image, scan the AC coefficients in a zigzag form from the least significant to the most significant one, this scan will lead us eventually to precise the embedding positions through a chaotic function as well as the maximum allowed payload relative to a computed SSIM threshold. A quantitative study shows the check of the designed method to the requirement of imperceptibility and flexibility.
引用
收藏
页码：13493 / 13510
页数：18
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