Spectrum-based SNR estimator for analog and digital bandpass signals.
H. KashefiS. KarimkeshtehHossein Khoshbin GhomashPublished in: IST (2012)
Keyphrases
- bandpass
- frequency spectrum
- frequency domain
- low pass
- frequency band
- signal to noise ratio
- subband
- textured images
- power spectrum
- least squares
- signal processing
- geometric distortions
- zero crossing
- low frequency
- discrete wavelet transform
- digital content
- noise reduction
- feature space
- filter bank
- high frequency
- wavelet coefficients
- maximum likelihood
- image compression
- wavelet transform