Keyphrases
- automatic detection
- wavelet transform
- color images
- multiresolution
- image compression
- image coding
- subband
- wavelet coefficients
- gray scale
- color information
- multiscale
- color space
- wavelet analysis
- automatically detecting
- feature extraction
- image processing
- small bowel
- haar wavelet
- cross correlations
- automatic classification
- high frequency
- chest ct
- chinese characters
- filter bank