Reversible Data Hiding Using Controlled Contrast Enhancement and Integer Wavelet Transform

被引：66

作者：

Gao, Guangyong ^{[1
,1
]}

Shi, Yun-Qing ^{[2
]}

机构：

[1] Inst Network & Informat Secur, Jiujiang 332000, Peoples R China

[2] New Jersey Inst Technol, Dept Elect & Comp Engn, Newark, NJ 07102 USA

来源：

IEEE SIGNAL PROCESSING LETTERS | 2015年 / 22卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Controlled contrast enhancement; integer wavelet transform; reversible data hiding; DIFFERENCE EXPANSION; WATERMARKING;

D O I：

10.1109/LSP.2015.2459055

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The conventional reversible data hiding (RDH) algorithms pursue high Peak-Signal-to-Noise-Ratio (PSNR) at the certain amount of embedding bits. Recently, Wu et al. deemed that the improvement of image visual quality is more important than keeping high PSNR. Based on this viewpoint, they presented a novel RDH scheme, utilizing contrast enhancement to replace the PSNR. However, when a large number of bits are embedded, image contrast is over-enhanced, which introduces obvious distortion for human visual perception. Motivated by this issue, a new RDH scheme is proposed using the controlled contrast enhancement (CCE) and Haar integer wavelet transform (IWT). The proposed scheme has large embedding capacity while maintaining satisfactory visual perception. Experimental results have demonstrated the effectiveness of the proposed scheme.

引用

页码：2078 / 2082

页数：5

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