Keyphrases
- shift invariant
- wavelet packet transform
- wavelet packet
- wavelet domain
- denoising
- wavelet coefficients
- subband
- wavelet transform
- discrete wavelet transform
- filter bank
- rotation invariant
- translation invariant
- sparse coding
- wavelet decomposition
- multiresolution
- edge preserving
- multiscale
- image denoising
- natural images
- blurred images
- frequency band
- quadtree
- image compression
- spatial domain
- image coding
- high frequency
- frequency domain
- higher order
- object recognition
- computer vision