Keyphrases
- low pass
- high pass
- bandpass
- filter design
- perfect reconstruction
- filter responses
- high frequency
- gaussian filter
- finite impulse response
- filter bank
- subband
- frequency domain
- wavelet transform
- nonlinear filters
- low frequency
- discrete wavelet transform
- contrast enhancement
- wavelet decomposition
- frequency response
- low pass filter
- image processing
- edge information
- image compression
- multiresolution
- multiscale
- wavelet filters
- textured images
- image enhancement
- enhanced image
- fir filters
- feature selection
- subband coding