A Digital Watermarking Algorithm Based on Region of Interest for 3D Image

被引：11
|
作者：
Fan Sheng-li [1 ,2 ]
Yu Mei [1 ]
Jiang Gang-yi [1 ]
Shao Feng [1 ]
Peng Zong-ju [1 ]
Fan Sheng-li [1 ,2 ]
机构：
[1] Ningbo Univ, Fac Informat Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China
[2] Ningbo Inst Technol Zhejiang Univ, Dept Informat, Ningbo, Peoples R China
来源：
PROCEEDINGS OF THE 2012 EIGHTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND SECURITY (CIS 2012) | 2012年
关键词：
three-dimensional image watermarking; depth perceptual region-of-interest;
D O I：
10.1109/CIS.2012.129
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A digital watermarking algorithm based on depth perceptual region of interest (DP-ROI) for copyright protection of three dimension (3D) images is proposed. First, DP-ROI is defined according to the three-dimensional depth sensation of human visual system and extracted through depth image and gray image. Then, gray image is transformed with discrete cosine transformation (DCT). Several middle frequency DCT coefficients in DP-ROI are adjusted with smaller strength to embed watermark. Finally, by computing the correlation of DCT middle frequency coefficients, and blind watermark is extracted. The experimental results show that the proposed watermarking algorithm has good robustness against image processing attacks, such as JPEG compression, Gaussian noise addition through selection of watermark embedding strength.
引用
收藏
页码：549 / 552
页数：4
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