Robust Template-based Watermarking for DIBR 3D Images

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Several depth image-based rendering (DIBR) watermarking methods have been proposed, but they have various drawbacks, such as non-blindness, low imperceptibility and vulnerability to signal or geometric distortion. This paper proposes a template-based DIBR watermarking method that overcomes the drawbacks of previous methods. The proposed method exploits two properties to resist DIBR attacks: the pixel is only moved horizontally by DIBR, and the smaller block is not distorted by DIBR. The one-dimensional (1D) discrete cosine transform (DCT) and curvelet domains are adopted to utilize these two properties. A template is inserted in the curvelet domain to restore the synchronization error caused by geometric distortion. A watermark is inserted in the 1D DCT domain to insert and detect a message from the DIBR image. Experimental results of the proposed method show high imperceptibility and robustness to various attacks, such as signal and geometric distortions. The proposed method is also robust to DIBR distortion and DIBR configuration adjustment, such as depth image preprocessing and baseline distance adjustment.
Publisher
MDPI
Issue Date
2018-06
Language
English
Article Type
Article
Keywords

2D-TO-3D VIDEO CONVERSION; DEPTH; GENERATION; TRANSFORMS; DISPLAYS

Citation

APPLIED SCIENCES-BASEL, v.8, no.6, pp.1 - 21

ISSN
2076-3417
DOI
https://doi.org/10.3390/app8060911
URI
http://hdl.handle.net/10203/244910
Appears in Collection
CS-Journal Papers(저널논문)
Files in This Item
Appled Science(with Wook Hyung Kim in 2018)-PRINT.pdf(2.86 MB)Download
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