Keyphrases
- filter bank
- steerable pyramid
- rotation invariant
- dominant orientation
- subband
- image coding
- perfect reconstruction
- multiresolution
- multiscale
- contourlet transform
- wavelet packet
- signal processing
- frequency domain
- computationally efficient
- dual tree
- directional information
- texture classification
- reconstruction error
- image compression
- voting scheme
- low pass
- palmprint
- texture analysis
- high frequency
- wavelet filters
- lifting scheme
- wavelet transform
- discrete cosine transform
- invariant features
- local binary pattern
- feature vectors