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Medical image security authentication method based on wavelet reconstruction and fractal dimension

Author

Listed:
  • Tiankai Sun
  • Xingyuan Wang
  • Da Lin
  • Rong Bao
  • Daihong Jiang
  • Bin Ding
  • Dan Li

Abstract

In this article, based on wavelet reconstruction and fractal dimension, a medical image authentication method is implemented. According to the local and global methods, the regularity of the mutation structure in the carrier information is analyzed through a measurement defined in the medical image transformation domain. To eliminate the redundancy of the reconstructed data, the fractal dimension is used to reduce the attributes of the reconstructed wavelet coefficients. According to the singularity of the fractal dimension of the block information, the key features are extracted and the fractal feature is constructed as the authentication feature of the images. The experimental results show that the authentication scheme has good robustness against attacks, such as JPEG compression, multiplicative noise, salt and pepper noise, Gaussian noise, image rotation, scaling attack, sharpening, clipping attack, median filtering, contrast enhancement, and brightness enhancement.

Suggested Citation

  • Tiankai Sun & Xingyuan Wang & Da Lin & Rong Bao & Daihong Jiang & Bin Ding & Dan Li, 2021. "Medical image security authentication method based on wavelet reconstruction and fractal dimension," International Journal of Distributed Sensor Networks, , vol. 17(4), pages 15501477211, April.
    • Handle: RePEc:sae:intdis:v:17:y:2021:i:4:p:15501477211014132
    DOI: 10.1177/15501477211014132
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