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biometric

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Bl-IEA is a research-based implementation of a bit-level fingerprint image encryption algorithm combining the Modified Pseudo Hadamard Transform (MPHT) and a Chaotic Skew Tent Map. It achieves strong diffusion, high randomness, and perfect reversibility, ensuring secure and efficient biometric data protection suitable for real-time applications.

  • Updated Apr 22, 2026
  • Python

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