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Blind Mesh Watermarking Based on the Featured Points in the Frequency Domain

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3 Author(s)
Guangfu Ren ; Sch. of Comput. Sci. & Technol., Shandong Univ., Jinan ; Caiming Zhang ; Xingqiang Yang

A novel blind robust 3D mesh object watermarking method is proposed. Firstly, we choose the prongs of the mesh; secondly, to suppose that the prongs are the centers of the circle and the length we choose is the radius, we can get the areas which could be watermarked; and then, with the sphere coordinate, we will get the distance from the object center to the vertices, and perform DFT on the sphere radiuses; the watermark will be embedded by changing the DFT frequency coefficients. Experimental results show that this watermarking scheme is robust against the attacks such as rotation, translation, uniform scaling and even cropping and the embedded watermark is invisible.

Published in:

Knowledge Discovery and Data Mining, 2009. WKDD 2009. Second International Workshop on

Date of Conference:

23-25 Jan. 2009