Efficient spatial-domain implementation of a multiscale image representation based on Gabor functions.
Oscar NestaresRafael Fonolla NavarroJavier PortillaAntonio TaberneroPublished in: J. Electronic Imaging (1998)
Keyphrases
- image representation
- spatial domain
- multiscale
- frequency domain
- wavelet domain
- transform domain
- image classification
- image content
- object recognition
- representation scheme
- natural images
- image processing
- quadtree
- image retrieval
- compressive sensing
- edge detection
- visual words
- log polar
- image features
- sparse coding
- image segmentation
- zernike moments
- data hiding
- contourlet transform
- fourier transform
- filter bank
- wavelet coefficients
- wavelet transform
- sparse representation
- image quality
- denoising