Efficient Unsupervised Discovery of Word Categories Using Symmetric Patterns and High Frequency Words.
Dmitry DavidovAri RappoportPublished in: ACL (2006)
Keyphrases
- high frequency
- low frequency
- n gram
- visual quality
- wavelet transform
- related words
- lexico syntactic
- high resolution
- word recognition
- word meaning
- word sense disambiguation
- high frequencies
- subband
- english words
- high frequency components
- frequency band
- unknown words
- semantic categories
- wavelet decomposition
- word pairs
- low bit rate coding
- word segmentation
- low pass
- image processing
- wavelet domain
- wavelet coefficients
- frequency domain
- subband decomposition
- phase shifting
- co occurrence
- video sequences
- similarity measure
- image segmentation