Keyphrases
- mixture model
- low resolution
- high resolution
- super resolution
- human actions
- low frame rate
- gaussian mixture model
- high resolution video
- em algorithm
- low resolution images
- action recognition
- generative model
- probabilistic model
- model selection
- face images
- video frames
- video sequences
- higher resolution
- maximum likelihood
- expectation maximization
- image patches
- image super resolution
- unsupervised learning
- high quality
- human activities
- probability density function
- image segmentation
- video data
- depth map
- language model
- image retrieval
- video surveillance
- high resolution images
- data sets
- motion estimation
- dynamic scenes
- face recognition
- image processing
- information retrieval