Keyphrases
- bandpass
- waveguide
- frequency domain
- low pass
- subband
- frequency band
- textured images
- zero crossing
- geometric distortions
- filter responses
- low frequency
- grey level
- texture classification
- representation scheme
- image processing
- high frequency
- wavelet coefficients
- scale space
- image compression
- wavelet transform
- color images
- feature space
- feature extraction