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Volume & Issue no: Volume 4, Issue 6, November - December 2015

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Title:
Segment based watermarking in 3D triangular mesh
Author Name:
Lokendra Kumar Sharma, Dr. D. B. Ojha
Abstract:
Abstract—3D mesh objects are one of the category of 3D objects. In this work, vertices are selected for watermark insertion based on code generated from cryptographic function SHA-256. The same watermark information is redundantly inserted into the 3D mesh object. Authentication can be done from any of the segment in case of any attack. The proposed algorithm is based on geometrical property of the vertices where vertices are shifted from their original position as per output of cryptographic function SHA-256. The change in position and selected vertices are the watermark information. The Cartesian coordinate of vertices are converted into spherical coordinate. The vertices are shifted from its original position by displacing vertex normal distance (ρ) component of (ρ,θ,φ) spherical coordinate of vertices. Keywords—3D triangular Mesh Objects, Hausdorff distance, RMS, secret key
Cite this article:
Lokendra Kumar Sharma, Dr. D. B. Ojha , " Segment based watermarking in 3D triangular mesh" , International Journal of Emerging Trends & Technology in Computer Science (IJETTCS) , Volume 4, Issue 6, November - December 2015 , pp. 207-212 , ISSN 2278-6856.
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International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
ISSN 2278-6856
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