Novel watermarking based on DIBR 3D image

Chen CUI; Shen WANG; Qiong LI

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

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Novel watermarking based on DIBR 3D image

Papers | 更新时间：2024-06-03

- Novel watermarking based on DIBR 3D image
- Chinese Journal of Network and Information Security Vol. 2, Issue 5, Pages: 50-55(2016)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-109x.2016.00052
  CLC： TP393
- Online First：2016-05，
  
  Published：15 May 2016
- 稿件说明：
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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.
DOI：

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

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。

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.

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Keywords

references

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