Method and apparatus for watermarking of 3D mesh model
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United States of America Patent
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Dec 17, 2013
Grant Date -
Nov 24, 2011
app pub date -
Feb 25, 2009
filing date -
Feb 25, 2008
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Abstract
Provided are a watermarking method and a watermarking apparatus for a mesh mode, which are applicable to a system which requires high precision, such as a rapid prototyping system. A reference coordinate system is set using 1-ring values of vertices of a 3D mesh model. The vertices are sorted based on the set reference coordinate system, and bit-information of the watermark consisting of bit string is, respectively, embedded into each of polygonal faces of the 3D mesh model in the sorted order.
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