A Hierarchical Generative Model for Overcomplete Topographic Representations in Natural Images.
Libo MaLiqing ZhangPublished in: IJCNN (2007)
Keyphrases
- natural images
- generative model
- hierarchical models
- pitman yor process
- feature representations
- deep belief networks
- visual patterns
- sparse coding
- higher order
- natural scenes
- object recognition
- probabilistic model
- multiscale
- denoising
- mixture model
- image patches
- receptive fields
- prior knowledge
- input image
- em algorithm
- semi supervised
- bayesian framework
- natural image statistics
- superpixels
- image statistics
- hierarchical model
- computer vision
- prior distribution
- signal processing
- independent component analysis
- conditional random fields
- expectation maximization
- image classification
- test images
- statistics of natural images
- natural image patches