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Reversible integer wavelet transform for blind image hiding method.

Nazeer Muhammad1, Nargis Bibi2, Zahid Mahmood3

  • 1Department of Mathematics, COMSATS Institute of Information Technology, Wah Cantt., Pakistan.

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Summary
This summary is machine-generated.

This study introduces a novel blind data hiding method using integer wavelets and Fresnelet transform to embed secret data in images. The technique ensures privacy during internet transmission and allows data retrieval without the original cover image.

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Image Processing

Background:

  • Data transmission over the internet faces privacy and secrecy challenges.
  • Existing data hiding methods may lack efficiency or require the original cover image for data retrieval.

Purpose of the Study:

  • To propose a blind data hiding reversible methodology for secure data embedding into cover images.
  • To address privacy and secrecy concerns in digital data transmission.
  • To develop a method that does not require the original cover image for data retrieval.

Main Methods:

  • Secret data is decomposed into sub-bands using integer wavelets.
  • Fresnelet transform is employed for data encryption and construction of a dummy pattern using a unique key.
  • The dummy pattern is embedded into the approximated sub-band of the cover image.

Main Results:

  • The proposed method demonstrates high-capacity data embedding.
  • Excellent imperceptibility of the embedded secret data is achieved.
  • The use of integer wavelets enhances the efficiency of hiding and retrieving processes.

Conclusions:

  • The developed blind data hiding technique effectively resolves privacy and secrecy issues.
  • The methodology offers an efficient and reversible approach for secure data embedding.
  • Blind retrieval of hidden data without the original cover image is successfully demonstrated.