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Adaptive Reversible Data Hiding via Integer-to-Integer Subband Transform and Adaptive Generalized Difference Expansion Method

  • YOSHIDA Taichi
    Department of Electronics and Electrical Engineering, Keio University
  • SUZUKI Taizo
    Faculty of Engineering, Information and Systems, University of Tsukuba
  • IKEHARA Masaaki
    Department of Electronics and Electrical Engineering, Keio University

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Abstract

We propose an adaptive reversible data hiding method with superior visual quality and capacity in which an adaptive generalized difference expansion (AGDE) method is applied to an integer-to-integer subband transform (I2I-ST). I2I-ST performs the reversible subband transform and the AGDE method is a state-of-the-art method of reversible data hiding. The results of experiments we performed objectively and perceptually show that the proposed method has better visual quality than conventional methods at the same embedding rate due to low variance in the frequency domain.

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