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June 6, 2026Journal of EngineeringOpen Access

Robust Zero-Watermarking Scheme for Medical Images Using DT-CWT and Blind Geometric Correction

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Authors

AJAli Nasif JasimSASadiq H. AbdulhussainAHAbir Hussain

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Overview

Randomized trial demonstrates effective medical image protection in telemedicine, suggesting enhanced security measures.

Key Points

  • This research aims to enhance the protection of medical images against various attacks using a zero-watermarking technique.
  • Proposed a zero-watermarking scheme using Dual-Tree Complex Wavelet Transform (DT-CWT) for feature extraction.
  • Implemented Improved Differential Entropy (IDE) for robustness against attacks.
  • Developed a blind geometric correction system to automatically detect and correct image rotation or reflection.
  • Achieved Normalized Correlation (NC) scores above 0.99 under several attacks, including heavy rotation.
  • Demonstrated resilience to noise, filtering, and JPEG compression, improving upon existing methods.
  • Proved reliable and secure for use in telemedicine applications, addressing previous vulnerabilities in ZWM.

Cite This Study

Jasim et al. (2026) studied this question.

synapsesocial.com/papers/6a23b83e71a5da9775e747c5https://doi.org/10.31026/j.eng.2026.06.12
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