Abstract
Content protection for 3D multimedia data is essential to assure property rights. The depth-image-based rendering (DIBR) operation is one of the ways to synthesize arbitrary virtual views from color-plus-depth 3D data. In this work, a novel semi-blind watermarking scheme is proposed to protect DIBR 3D images. The watermarking system utilizes image descriptors as side information to compensate the distortion produced by DIBR operations. The compensation process (aka resynchronization) estimates the disparity map between the views and recovers the synthesized virtual view back to the watermark embedded view. As compared with the existing related work, the proposed method is able to detect embedded watermark on arbitrary DIBR synthesized virtual views. We also investigate the effects of choosing different image descriptors as the side information for resynchronization. Furthermore, experimental results show that the proposed scheme is robust to against JPEG compression plus DIBR attack (i.e., DIBR operation performed on the JPEG compressed 3D images). Finally, the robustness of our work against HEVC (i.e., H.265) 3D compression plus DIBR is also investigated.
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Miao, H., Lin, YH., Wu, JL. (2015). Image Descriptor Based Digital Semi-blind Watermarking for DIBR 3D Images. In: Shi, YQ., Kim, H., Pérez-González, F., Yang, CN. (eds) Digital-Forensics and Watermarking. IWDW 2014. Lecture Notes in Computer Science(), vol 9023. Springer, Cham. https://doi.org/10.1007/978-3-319-19321-2_7
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DOI: https://doi.org/10.1007/978-3-319-19321-2_7
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