Optimization and Minimum-Energy Approaches for Private Message Security in the Wavelet Domain of Audio Signals.
Shuo-Tsung ChenHao-Chun LuPublished in: Circuits Syst. Signal Process. (2023)
Keyphrases
- wavelet domain
- minimum energy
- audio signals
- wavelet coefficients
- spatial domain
- image denoising
- denoising
- subband
- discrete wavelet transform
- human visual system
- high frequency
- wavelet transform
- multiresolution
- multiscale
- frequency domain
- access control
- three dimensional
- probabilistic model
- hidden markov models
- object recognition
- similarity measure