Recognize Multi-people Interaction Activity by PCA-HMMs.
Ying WangXinwen HouTieniu TanPublished in: ACCV (1) (2006)
Keyphrases
- hidden markov models
- principal component analysis
- face recognition
- group activities
- principal components analysis
- feature extraction
- user interaction
- appearance based object recognition
- data sets
- face to face interactions
- principal components
- covariance matrix
- dimensionality reduction
- high dimensional
- human computer interaction
- low dimensional
- feature space
- negative matrix factorization
- user interface
- principle component analysis
- viterbi algorithm
- cognitive process
- feature selection