A region-based easy-path wavelet transform for sparse image representation.
Renato BudinichPublished in: Int. J. Wavelets Multiresolution Inf. Process. (2017)
Keyphrases
- image representation
- wavelet transform
- multiscale
- sparse representation
- sparse coding
- compressive sensing
- image retrieval
- image segmentation
- image classification
- wavelet coefficients
- multiresolution
- image compression
- image content
- feature representations
- bag of words
- representation scheme
- subband
- image features
- quadtree
- high frequency
- contourlet transform
- natural images
- object recognition
- visual words
- bag of features
- feature space
- edge detection
- wavelet domain
- relevance feedback
- high dimensional
- low frequency
- region segmentation
- translation invariant
- feature extraction
- feature selection
- pattern representation
- linear quadtree