Abstract
In this paper, we present a watermarking technique for authentication of 3-D polygonal meshes. The proposed technique is based on a wavelet-based multiresolution analysis to convert an original polygonal mesh model into a simplified mesh model and wavelet coefficient vectors. The embedding procedure is to modify the vertex of a simplified mesh model at a low resolution according to the order of norms of the wavelet coefficient vectors using a look-up table. The watermark extraction process is to restore the binary logo pattern by extracting a binary watermark bit from a look-up table corresponding to the watermarked simple mesh. The experimental results show that the proposed method is invariant to the location, scale and rotation transformation while detecting unauthorized modifications.
This study was financially supported by Chonnam National University in his/her sabbatical year of 2003.
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© 2005 Springer-Verlag Berlin Heidelberg
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Cho, WH., Lee, ME., Lim, H., Park, SY. (2005). Watermarking Technique for Authentication of 3-D Polygonal Meshes. In: Cox, I.J., Kalker, T., Lee, HK. (eds) Digital Watermarking. IWDW 2004. Lecture Notes in Computer Science, vol 3304. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31805-7_22
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DOI: https://doi.org/10.1007/978-3-540-31805-7_22
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-24839-2
Online ISBN: 978-3-540-31805-7
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