Mesh Watermarking based on 2D Transferred Domain Jongyun Jun Tae-Joon Kim CS548 Term Project...
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Transcript of Mesh Watermarking based on 2D Transferred Domain Jongyun Jun Tae-Joon Kim CS548 Term Project...
Mesh Watermarking based on 2D Transferred Domain
Jongyun Jun
Tae-Joon Kim
CS548 Term Project Presentation
2010/05/13
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Watermarking on 3D
● Challenges● Handling complex geometrical and
topological operations● No unique representation of data
●Format conversion● No implicit order of data
●Cf.) Image (pixel) Audio, Video (time)● Various attacks
●Rotation, scaling, translation●Vertex addition/deletion
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Related Work
● 2D image watermarking● [Bruyndonckx et al. 1995.] Spatial method
for copyright labeling of digital images.● [Corvi et al. 1997] Wavelet-based image
watermarking for copyright protection.● [Cox et al. 1997] Secure spread spectrum
watermarking for multimedia.● [Zhu et al. 1998] Multiresolution
watermarking for images and video. ● [Luo et al. 2010] Reversible image
watermarking using interpolation technique
…
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Original Watermarked Smoothed Noised
Rowbyrow
Correlation - 0.99 0.37 0.55
Z curve
Correlation - 0.99 0.97 0.83
Experimental Results
● Construction time : 130ms
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Conclusions
● Robust against various attacks● Rotation, scaling, and translation● Smoothing● Noise
● Vertex addition/deletion● Simplification
● Fast watermark embedding/detection