Watermarking 3D Objects for Verification

  • Authors:
  • Boon-Lock Yeo;Minerva M. Yeung

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Computer Graphics and Applications
  • Year:
  • 1999

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Abstract

In this article, we introduce and investigate watermarking of 3D objects represented by polygonal models, and propose a new watermarking technique that enables the verification of 3D polygonal models for detecting unauthorized alterations. Our proposed technique consists of a watermark encoding process that embeds a sequence of data bits by perturbing coordinates of the vertices in a 3D model, and a watermark decoding process that extracts bit information from 3D geometry using secure verification keys.