Unsupervised Posture Modeling and Recognition based on Gaussian Mixture Model and EM Estimation.
Xijun ZhuChuanxu WangPublished in: J. Softw. (2011)
Keyphrases
- gaussian mixture model
- mixture model
- expectation maximization
- em algorithm
- unsupervised learning
- density estimation
- probability density
- log likelihood function
- maximum likelihood
- feature vectors
- speaker recognition
- parameter estimation
- maximum likelihood estimation
- gaussian distribution
- speaker identification
- background subtraction
- feature space
- probability density function
- mixture of gaussians
- feature extraction
- hand postures
- object recognition
- human body
- pattern recognition
- hand gestures
- gaussian mixture
- supervised learning
- probabilistic model
- feature transformation
- machine learning
- maximum likelihood criterion
- gesture recognition
- action recognition
- hidden markov models
- multiscale
- similarity measure
- image processing