Abstract
In this paper, we propose a blind watermarking scheme using the properties of wavelet coefficient sign. We found it through some experiments that the wavelet coefficient sign is robust against lossy compression methods such as JPEG and JPEG-2000. So we tried to change the characteristic along sub-blocks which decided in advance for watermark insertion. Also, because the proposed algorithm uses the Daubechies 9-tap/7-tap wavelet filter bank, it can be applied to JPEG-2000 lossy compression process directly. Various attacks were given to demonstrate the robustness of the proposed technique.
The Ministry of Education, Seoul, Korea, supported this research under the BK21 project, and the Industry Research Consortium, the affiliated organization of the Small and Medium Business Administration, supported this research too.
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© 2004 Springer-Verlag Berlin Heidelberg
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Lee, HK., Song, GS., Kim, MA., Yoo, KS., Lee, WH. (2004). A Digital Watermarking Scheme in JPEG-2000 Using the Properties of Wavelet Coefficient Sign. In: Laganá, A., Gavrilova, M.L., Kumar, V., Mun, Y., Tan, C.J.K., Gervasi, O. (eds) Computational Science and Its Applications – ICCSA 2004. ICCSA 2004. Lecture Notes in Computer Science, vol 3043. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24707-4_20
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DOI: https://doi.org/10.1007/978-3-540-24707-4_20
Publisher Name: Springer, Berlin, Heidelberg
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