Unsupervised learning of dependencies between local luminance and contrast in natural images.
Jussi T. LindgrenJarmo HurriAapo HyvärinenPublished in: IJCNN (2008)
Keyphrases
- natural images
- unsupervised learning
- visual masking
- object recognition
- human visual perception
- natural scenes
- multiscale
- contrast enhancement
- natural image statistics
- image denoising
- sparse coding
- higher order
- denoising
- supervised learning
- input image
- image patches
- scale invariant
- statistics of natural images
- color images
- receptive fields
- test images
- image statistics
- machine learning
- expectation maximization
- semi supervised
- deep learning
- natural image patches
- visual cortex
- color information
- training data