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3D Mesh Watermarking Using Projection onto Convex Sets  

Lee Suk-Hwan (Dept. of Information Security, TongMyong University)
Kwon Seong-Geun (Mobile Communication Division, SAMSUNG electronics co.)
Kwon Ki-Ryong (Division of Electronics, Computer and Telecommunication Eng., Pukyong University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.43, no.2, 2006 , pp. 81-92 More about this Journal
Abstract
This paper proposes a robustness watermarking for 3D mesh model based on projection onto convex sets (POCS). After designing the convex sets for robustness and invisibility among some requirements for watermarking system, a 3D-mesh model is projected alternatively onto two constraints convex sets until the convergence condition is satisfied. The robustness convex set are designed for embedding the watermark into the distance distribution of the vertices to robust against the attacks, such as mesh simplification, cropping, rotation, translation, scaling, and vertex randomization. The invisibility convex set are designed for the embedded watermark to be invisible. The decision values and index that the watermark was embedded with are used to extract the watermark without the original model. Experimental results verify that the watermarked mesh model has invisibility and robustness against the attacks, such as translation, scaling, mesh simplification, cropping, and vertex randomization.
Keywords
3D mesh watermarking; POCS; Closed Convex Set;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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