Design of oversampled cosine-sine modulated filter banks for directional image representation.
Ryutaro OgawaSeisuke KyochiTaizo SuzukiPublished in: APSIPA (2015)
Keyphrases
- image representation
- filter bank
- multiscale
- subband
- contourlet transform
- image classification
- image coding
- image content
- bag of words
- object recognition
- image retrieval
- image features
- fir filters
- signal processing
- sparse representation
- frequency domain
- sparse coding
- quadtree
- discrete cosine transform
- multiresolution
- perfect reconstruction
- feature vectors