基于深度图绘制3D图像的水印技术

doi:10.11959/j.issn.2096-109x.2016.00052

网络与信息安全学报 ›› 2016, Vol. 2 ›› Issue (5): 50-55.doi: 10.11959/j.issn.2096-109x.2016.00052

基于深度图绘制3D图像的水印技术

崔晨,王莘,李琼

哈尔滨工业大学计算机科学与技术学院，黑龙江哈尔滨 150001

修回日期:2016-04-27 出版日期:2016-05-15 发布日期:2020-03-26
作者简介:崔晨（1983-），男，黑龙江牡丹江人，哈尔滨工业大学博士生，主要研究方向为信息安全、信息隐藏、感知散列。|王莘（1980-），男，黑龙江哈尔滨人，博士，哈尔滨工业大学讲师，主要研究方向为信息对抗、量子计算、多媒体安全。|李琼（1976-），女，湖南桂阳人，博士，哈尔滨工业大学副教授、博士生导师，主要研究方向为量子保密通信后处理、生物信息识别及安全、多媒体安全。
基金资助:
国家自然科学基金资助项目(61100187);国家自然科学基金资助项目(61301099)

Novel watermarking based on DIBR 3D image

Chen CUI,Shen WANG,Qiong LI

School of Computer Science and Technology,Harbin Institute of Technology,Harbin 150001,China

Revised:2016-04-27 Online:2016-05-15 Published:2020-03-26
Supported by:
The National Natural Science Foundation of China(61100187);The National Natural Science Foundation of China(61301099)

摘要/Abstract

摘要：

摘要：由于基于深度图绘制的虚拟视点技术具有的独特优势，越来越多的3D产品版权保护问题受到极大的夫注。不同于传统 2D 图像的水印技术，在基于深度图绘制的 3D 图像里，不仅需要通过嵌入水印来保护中间图像，而且需要保护左右眼虚拟图像。通过对中间图像进行3层小波变换后，利用奇偶量化方式来修改每个子分块的小波系数，实现了中间图像的水印信息嵌入。嵌入的水印可以从中间图像以及左右眼虚拟图像中提取出来。实验表明，所提水印算法对常见的信号失真攻击具有良好的顽健性。

关键词: 基于深度图绘制, 3D图像水印, 误比特率, 奇偶量化

Abstract:

Depth-image-based rendering (DIBR) has become an important technology in 3D displaying with its great advantages.As a result,more and more 3D products copyright problems turn out.Since either the center view with depth image or the synthesized virtual views could be illegally distributed,not only the center views but also the synthesized virtual views need to be protected.A watermarking method for DIBR 3D images was proposed.After applying three-level DWT to the center image,odd-even quantization was utilized to modify the coefficients of the sub-blocks of the center image,by this way the proposed method was made robust to typical signal distortions,such as JPEG compression,noise addition and median filter.As the experimental results shown,the proposed method is much more robust to the common signal distortion attacks with lower BER (bit error rate) compared with existing methods.

Key words: DIBR, 3D image watermarking, bit error rate, odd-even quantization

中图分类号:

TP393

崔晨,王莘,李琼. 基于深度图绘制3D图像的水印技术[J]. 网络与信息安全学报, 2016, 2(5): 50-55.

Chen CUI,Shen WANG,Qiong LI. Novel watermarking based on DIBR 3D image[J]. Chinese Journal of Network and Information Security, 2016, 2(5): 50-55.

图/表 8

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参考文献 24

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算法	PSNR/dB	SSIM
本文算法	41.70	0.994
文献[14]算法	42.16	0.989
文献[15]算法	42.43	0.990

算法	中间图像	左眼图像	右眼图像
本文算法	0	0.005	0.004
文献[14]算法	0.009	0.023	0.034
文献[15]算法	0.006	0.111	0.094

攻击类型	本文算法	文献文献[14]算法	文献[15]算法
JPEG压缩30	0.012	0.192	0.128
JPEG压缩40	0.010	0.156	0.110
JPEG压缩50	0.009	0.124	0.008
3×3中值滤波	0.012	0.143	0.004
5×5中值滤波	0.012	0.347	0.137
7×7中值滤波	0.018	0.440	0.241
噪声水平1	0.005	0.104	0.074
噪声水平2	0.005	0.104	0.132
噪声水平3	0.017	0.110	0.181

基于深度图绘制3D图像的水印技术

Novel watermarking based on DIBR 3D image

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