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A compressed image encryption algorithm leveraging optimized 3D chaotic maps for secure image communication.

Akshat Tiwari1, Prachi Diwan2, Tarun Dhar Diwan3

  • 1Department of Computer Science, Kalinga University, Raipur, India. drakshatt@gmail.com.

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|April 24, 2025
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Summary
This summary is machine-generated.

This study introduces OptiSecure-3D, a novel image encryption method using optimized 3D chaotic maps. It enhances multimedia security against unauthorized access and data tampering, improving communication reliability.

Keywords:
Chaotic mapsCompressed encryptionImage encryptionOptimizationSecure communication

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Area of Science:

  • Computer Science
  • Cryptography
  • Information Security

Background:

  • Digital transmission of sensitive multimedia information faces risks of unauthorized access and data tampering.
  • Existing encryption methods require enhancement to address modern security threats effectively.

Purpose of the Study:

  • To present an optimized parameter-based 3D chaotic map technique for robust and secure image encryption.
  • To enhance the security and reliability of multimedia communication systems.

Main Methods:

  • The OptiSecure-3D algorithm integrates a stacked autoencoder (SAE), optimized chaotic mapping, and an encryption/decryption module.
  • Evaluated using randomness tests, pixel adjacency correlation, and differential analysis.

Main Results:

  • Achieved high mean entropy (approx. 7.9), mean Number of Pixels Changing Rate (NPCR) (approx. 99.8), and Unified Average Changing Intensity (UACI) (approx. 33.46).
  • Demonstrated superior cryptanalysis results under noise attacks compared to state-of-the-art models.

Conclusions:

  • The OptiSecure-3D algorithm offers an effective solution for securing digital image transmission.
  • This advancement significantly improves the reliability of multimedia communication systems in meeting data security demands.