Keyphrases
- filter design
- low pass
- bandpass
- high frequency
- high pass
- nonlinear filters
- frequency domain
- filter bank
- image enhancement
- subband
- low pass filter
- wavelet decomposition
- image restoration
- low frequency
- discrete wavelet transform
- frequency band
- image processing
- gaussian filter
- contrast enhancement
- filter responses
- wavelet transform
- high quality