A Lie group based Gaussian Mixture Model distance measure for multimedia comparison.
Liyu GongTianjiang WangYan YuFang LiuXiangen HuPublished in: ICIMCS (2009)
Keyphrases
- distance measure
- gaussian mixture model
- covariance matrices
- lie group
- vector space
- mixture model
- similarity measure
- distance function
- euclidean distance
- em algorithm
- expectation maximization
- maximum likelihood
- feature vectors
- gaussian mixture
- distance metric
- kullback leibler divergence
- dynamic time warping
- density estimation
- gaussian distribution
- feature space
- probability density function
- multimedia data
- covariance matrix
- mean shift