Kernel Heterogeneity Improves Sparseness of Natural Images Representations.
Hugo J. LadretChristian CasanovaLaurent Udo PerrinetPublished in: CoRR (2023)
Keyphrases
- natural images
- natural scenes
- multiscale
- higher order
- image denoising
- visual patterns
- image patches
- input image
- statistics of natural images
- object recognition
- sparse coding
- natural image statistics
- power spectrum
- kernel function
- denoising
- scale invariant
- test images
- representation scheme
- image statistics
- receptive fields
- prior models
- learning algorithm
- image quality
- compressed sensing
- support vector
- computer vision
- scale space
- image segmentation
- feature space
- high resolution
- saliency map
- graphical models
- linear combination
- higher level