Keyphrases
- denoising
- wavelet packet
- hard thresholding
- denoising methods
- image denoising
- noisy images
- frequency domain
- denoising algorithm
- original signal
- wavelet based denoising
- wavelet packet transform
- wavelet domain
- natural images
- image processing
- total variation
- soft threshold
- wavelet coefficients
- wiener filter
- additive gaussian noise
- wavelet denoising
- gaussian noise
- nonlinear filtering
- digital filters
- noise removal
- matching pursuit
- gaussian white noise
- spatially adaptive
- wavelet decomposition
- filter bank
- subband
- non stationary
- basis pursuit
- signal processing
- high pass
- autoregressive model
- discrete wavelet transform
- high frequency
- transformed image
- linear combination
- multiresolution