A Blind Watermarking for 3-D Mesh Sequence Using Temporal Wavelet Transform of Vertex Norms 


Vol. 32,  No. 3, pp. 256-268, Mar.  2007


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  Abstract

In this paper, we present a watermarking method for 3-D mesh sequences. The main idea is to transform vertex norm with the identical connectivity index along temporal axis using wavelet transform and modify the distribution of wavelet coefficients in temporally high (or middle) frequency frames according to watermark bit to be embedded. All vertices are divided into groups, namely bins, using the distribution of coefficients in low frequency frames. As the vertices with the identical connectivity index over whole frames belong to one bin, their wavelet coefficients are also assigned into the same bin. Then, the watermark is embedded into the wavelet coefficients of vertex norm. Due to the use of the distribution, our method can retrieve the hidden watermark without any information about original mesh sequences in the process of watermark detection. Through simulations, we show that the proposed is fairly robust against various attacks that are probably concerned in copyright protection of 3-D mesh sequences.

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  Cite this article

[IEEE Style]

M. Kim, J. Cho, H. Jung, 정 호 열, "A Blind Watermarking for 3-D Mesh Sequence Using Temporal Wavelet Transform of Vertex Norms," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 256-268, 2007. DOI: .

[ACM Style]

Min-Su Kim, Jae-Won Cho, Ho-Youl Jung, and 정 호 열. 2007. A Blind Watermarking for 3-D Mesh Sequence Using Temporal Wavelet Transform of Vertex Norms. The Journal of Korean Institute of Communications and Information Sciences, 32, 3, (2007), 256-268. DOI: .

[KICS Style]

Min-Su Kim, Jae-Won Cho, Ho-Youl Jung, 정 호 열, "A Blind Watermarking for 3-D Mesh Sequence Using Temporal Wavelet Transform of Vertex Norms," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 256-268, 3. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880