Abstract:This paper proposes a holographic blind watermarking algorithm of the three-dimensional mesh model based on QR decomposition. Firstly the three-dimensional model is pre-processed by moving the model center to the coordinate origin and doing PCA analysis. Secondly the model's geometric feature matrix is constructed by using the distance from the three-dimensional mesh model vortex to the model center in the column coordinate system. Then the watermarking information generated by the holographic encrypted techno… Show more
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