Keyphrases
- scene classification
- deep belief networks
- object recognition
- unsupervised learning
- sparse coding
- image classification
- deep learning
- image representation
- visual words
- restricted boltzmann machine
- natural scenes
- signal processing
- probabilistic model
- biologically inspired
- hierarchical models
- generative model
- machine learning
- bag of features
- visual information
- natural images
- computer vision
- image content
- gaussian mixture model
- bag of words
- text classification
- supervised learning
- feature space