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 (Ï) component of (Ï,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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