A hybrid wavelet and ridgelet approach for efficient edge representation in natural images.
Fulvio MoschettiKazuo SugimotoSadaatsu KatoM. BurriniPublished in: ICASSP (3) (2004)
Keyphrases
- natural images
- image denoising
- denoising
- multiscale
- higher order
- denoising algorithm
- power spectrum
- natural scenes
- object recognition
- wavelet domain
- sparse coding
- input image
- image patches
- multiresolution analysis
- visual patterns
- noisy images
- image representation
- test images
- visual cortex
- natural image statistics
- image statistics
- statistics of natural images
- natural image patches
- scale invariant
- wavelet coefficients
- wavelet transform
- multiresolution
- multiple scales
- image coder
- prior models
- image processing
- saliency map
- scale space
- edge detection
- face recognition