Keyphrases
- low pass
- image denoising
- finite impulse response
- denoising
- wavelet coefficients
- filter bank
- frequency domain
- subband
- wavelet domain
- discrete wavelet transform
- filter design
- high frequency
- wavelet decomposition
- noisy images
- natural images
- high pass
- partial differential equations
- nonlinear filters
- image processing
- wavelet transform
- multiscale
- low frequency
- fir filters
- gaussian filter
- multiresolution
- contrast enhancement
- fourier transform
- genetic algorithm
- spatial domain
- edge information
- image fusion
- high resolution
- wavelet packet
- higher order
- noise reduction
- signal processing
- machine learning
- visual quality