The clustering power of low frequency words in academic Webs.
Liz PriceMike ThelwallPublished in: J. Assoc. Inf. Sci. Technol. (2005)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- clustering method
- clustering algorithm
- subband
- discrete wavelet transform
- low pass
- wavelet analysis
- dct domain
- k means
- original images
- frequency band
- low and high frequency
- high resolution
- electromagnetic fields
- high frequency components
- document clustering
- dct coefficients
- keywords
- computer vision
- wavelet coefficients
- multiresolution
- subband decomposition
- image processing