2 May 2007 Fourier phase domain steganography: phase bin encoding via interpolation
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Abstract
In recent years there has been an increased interest in audio steganography and watermarking. This is due primarily to two reasons. First, an acute need to improve our national security capabilities in light of terrorist and criminal activity has driven new ideas and experimentation. Secondly, the explosive proliferation of digital media has forced the music industry to rethink how they will protect their intellectual property. Various techniques have been implemented but the phase domain remains a fertile ground for improvement due to the relative robustness to many types of distortion and immunity to the Human Auditory System. A new method for embedding data in the phase domain of the Discrete Fourier Transform of an audio signal is proposed. Focus is given to robustness and low perceptibility, while maintaining a relatively high capacity rate of up to 172 bits/s.
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Edward Rivas, "Fourier phase domain steganography: phase bin encoding via interpolation", Proc. SPIE 6579, Mobile Multimedia/Image Processing for Military and Security Applications 2007, 65790W (2 May 2007); doi: 10.1117/12.719512; https://doi.org/10.1117/12.719512
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