Learning Features by Contrasting Natural Images with Noise.
Michael GutmannAapo HyvärinenPublished in: ICANN (2) (2009)
Keyphrases
- natural images
- image statistics
- natural scenes
- higher order
- denoising
- image denoising
- power spectrum
- multiscale
- object recognition
- input image
- statistics of natural images
- image patches
- unsupervised learning
- prior knowledge
- man made objects
- test images
- supervised learning
- distorted images
- natural image statistics
- sparse representation
- scale invariant
- sparse coding
- learning algorithm
- graphical models
- feature vectors
- feature selection