Image Representation of the Subband Power Distribution for Robust Sound Classification.
Jonathan William DennisTran Huy DatHaizhou LiPublished in: INTERSPEECH (2011)
Keyphrases
- image representation
- subband
- image classification
- contourlet transform
- feature vectors
- power distribution
- filter bank
- feature space
- multiscale
- wavelet transform
- image compression
- image features
- bag of words
- multiresolution
- wavelet coefficients
- feature extraction
- discrete wavelet transform
- high frequency
- wavelet decomposition
- quadtree
- wavelet domain
- pattern recognition
- sparse coding
- visual words
- bit rate
- object recognition
- frequency domain
- sparse representation
- visual features
- feature selection
- image coding
- low frequency
- machine learning
- image retrieval
- wavelet subbands
- texture features
- frequency band