Keyphrases
- natural images
- edge detection
- multiscale
- natural scenes
- higher order
- edge detector
- denoising
- object recognition
- image patches
- noisy images
- sparse coding
- image enhancement
- image denoising
- scale invariant
- image processing
- wavelet transform
- input image
- superpixels
- salient objects
- statistics of natural images
- test images
- receptive fields
- salient regions
- natural textures
- prior models
- image segmentation
- image statistics
- power spectrum
- zero crossing
- machine learning
- computer vision
- image quality assessment
- visual cortex
- scale space
- image representation
- saliency map
- filter bank