A Bottom-Up Design Approach of Critically Sampled Contourlet Transform for Efficient Image Representation.
Seisuke KyochiShizuka HigakiYuichi TanakaMasaaki IkeharaPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2009)
Keyphrases
- image representation
- contourlet transform
- multiscale
- image classification
- directional filter banks
- bag of words
- multiresolution
- image retrieval
- visual words
- subband
- quadtree
- object recognition
- texture images
- image fusion
- image denoising
- feature selection
- sparse coding
- feature space
- image features
- spatial information
- sparse representation
- gray scale
- bag of features