Keyphrases
- wavelet domain
- wavelet transform
- face recognition
- wavelet coefficients
- wavelet decomposition
- subband
- filter bank
- discrete wavelet transform
- feature extraction
- multiscale
- spatial domain
- shift invariant
- multiresolution
- denoising
- high frequency
- human visual system
- face images
- image denoising
- image compression
- watermarking algorithm
- wavelet basis
- sar images
- autoregressive model
- local binary pattern
- wavelet analysis
- phase information
- dual tree
- image quality
- complex wavelet transform
- mexican hat
- wavelet domain hidden markov tree
- gabor wavelets
- soft threshold