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Related Experiment Videos

Watermarking on 3D mesh based on spherical wavelet transform.

Jian-Qiu Jin1, Min-Ya Dai, Hu-Jun Bao

  • 1State Key Laboratory of CAD & CG, AI Institute, Zhejiang University, Hangzhou 310027, China. jqjin@cad.zju.edu.cn

Journal of Zhejiang University. Science
|January 17, 2004
PubMed
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This study introduces a robust 3D mesh watermarking algorithm using spherical wavelet transform. The novel method enhances watermark capacity and resilience against various attacks.

Area of Science:

  • Computer Graphics
  • Digital Watermarking
  • Signal Processing

Background:

  • 3D mesh models are increasingly prevalent in digital content.
  • Protecting intellectual property and ensuring data integrity for 3D models is crucial.
  • Existing watermarking techniques often lack robustness against common attacks.

Purpose of the Study:

  • To develop a robust watermarking algorithm for 3D mesh models.
  • To enhance the capacity and resilience of digital watermarks in 3D data.
  • To address the limitations of current 3D mesh watermarking methods.

Main Methods:

  • Utilizing spherical wavelet transform for multi-scale decomposition of 3D meshes.
  • Embedding watermark information into different levels of detail.

Related Experiment Videos

  • Employing global sphere parameterization and uniform sampling for consistent embedding.
  • Implementing resampling to preserve the topological connectivity of the watermarked mesh.

    • Main Results:

    • The proposed algorithm demonstrates improved watermark embedding capacity.
    • The watermarking method exhibits significant robustness against various attacks.
    • Successful recovery of topological connectivity after watermarking and resampling.

    Conclusions:

    • The spherical wavelet transform-based watermarking algorithm offers a robust solution for 3D mesh protection.
    • This approach effectively balances watermark capacity and resistance to malicious attacks.
    • The method provides a promising technique for securing digital 3D assets.