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Multi-carrier information hiding based on projection-driven vertex embedding in 3D models.

Yuefa Ou1,2, Jie Ke3, Mingkun Yang3

  • 1Guangxi Key Laboratory of Ocean Engineering Equipment and Technology, Beibu Gulf University, Qinzhou, China.

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Summary
This summary is machine-generated.

This study introduces a robust 3D model steganography method using vertex projection. It enhances data hiding capacity and resistance to various attacks, ensuring secure information embedding in 3D models.

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Area of Science:

  • Computer Science
  • Digital Watermarking
  • Information Security

Background:

  • Single 3D model carriers are vulnerable in information hiding.
  • Existing steganography methods lack sufficient robustness against diverse attacks.

Purpose of the Study:

  • To propose a multi-carrier steganography algorithm for enhanced robustness of 3D models.
  • To improve embedding capacity and attack resistance in 3D model-based information hiding.

Main Methods:

  • Utilizes vertex projection of 3D models for information embedding.
  • Employs centroid coincidence and tangent plane projection for a geometrically invariant space.
  • Embeds secret information by adjusting central vertex positions in projection planes.

Main Results:

  • Achieves high robustness against translation, rotation, simplification, noise, and shear attacks.
  • Demonstrates a peak Signal-to-Noise Ratio (SNR) of 47.87 dB on the xyzrgb_dragon model.
  • Maintains a low Bit Error Rate (BER) under various attack intensities, e.g., <0.1 under 30% simplification.

Conclusions:

  • The proposed multi-carrier steganography scheme offers superior invisibility and robustness.
  • The vertex projection method effectively enhances the security of information hidden in 3D models.