Comopact image representation using wavelet lifting along arbitrary trees.
Godwin ShenAntonio OrtegaPublished in: ICIP (2008)
Keyphrases
- image representation
- multiscale
- wavelet transform
- lifting scheme
- wavelet coefficients
- wavelet tree
- bag of words
- image content
- image classification
- object recognition
- multiresolution
- image features
- feature representations
- wavelet domain
- visual words
- image compression
- feature space
- decision trees
- image retrieval
- subband
- scene recognition
- quadtree
- sparse coding
- image processing
- data structure
- receptive fields
- representation scheme
- image denoising
- filter bank
- high frequency
- discrete wavelet transform
- bag of features
- scene classification
- sparse representation
- machine learning
- image classification and retrieval
- tree structure
- image data
- feature extraction