Keyphrases
- shift invariant
- receptive fields
- natural images
- sparse coding
- biologically inspired
- wavelet domain
- discrete wavelet transform
- rotation invariant
- wavelet coefficients
- image representation
- unsupervised learning
- blurred images
- data sets
- hidden layer
- saliency map
- multiscale
- space time
- input space
- visual information
- image denoising
- human visual system
- high resolution
- computer vision
- object recognition
- multiresolution
- neural network
- wavelet transform
- high level
- data points