Keyphrases
- gaussian mixture model
- image retrieval
- mixture model
- feature space
- image database
- em algorithm
- maximum likelihood
- visual words
- speaker recognition
- feature vectors
- background subtraction
- probability density function
- image representation
- expectation maximization
- image content
- gaussian distribution
- visual features
- gaussian mixture
- gaussian mixture modeling
- bayesian networks
- speaker identification
- unsupervised learning
- object detection
- image features
- high dimensional
- feature extraction
- color features
- image segmentation
- bayesian information criterion
- data mining