Keyphrases
- visual words
- sparse coding
- conditional random fields
- image representation
- spatial pyramid matching
- bag of words
- image classification
- bag of features
- discriminative power
- dictionary learning
- discriminative dictionary
- bag of visual words
- co occurrence
- generative model
- pairwise
- visual content
- image retrieval
- scene classification
- probabilistic model
- object categories
- graphical models
- sparse representation
- feature space
- multiscale
- image features
- keypoints
- higher order
- hidden markov models
- object recognition
- unsupervised learning
- gaussian mixture model
- visual categorization
- spatial information
- superpixels
- sparse codes
- visual features
- markov random field
- text classification
- natural images
- information extraction
- n gram
- information retrieval
- linear combination
- knn
- data mining