Vibrational Covert Channels using Low-Frequency Acoustic Signals.
Nikolay MatyuninYujue WangStefan KatzenbeisserPublished in: IH&MMSec (2019)
Keyphrases
- low frequency
- acoustic signals
- high frequency
- acoustic signal
- frequency domain
- wavelet transform
- information flow
- subband
- wavelet analysis
- high resolution
- discrete wavelet transform
- wavelet coefficients
- original images
- low pass
- frequency band
- machine learning
- high frequency components
- electromagnetic fields
- spatial domain
- low and high frequency
- terrorist networks
- image quality
- multiscale
- computer vision