Mixture of Segmenters with Discriminative Spatial Regularization and Sparse Weight Selection.
Ting ChenBaba C. VemuriAnand RangarajanStephan J. EisenschenkPublished in: MICCAI (3) (2011)
Keyphrases
- sparsity regularization
- spatial information
- mixture model
- mixed norm
- spatio temporal
- structured sparsity
- spatial data
- sparse codes
- sparse approximation
- expectation maximization
- spatial and temporal
- feature selection
- high dimensional
- unsupervised learning
- spatial relations
- elastic net
- gaussian mixture model
- sparse coding
- discriminative power
- discriminative features
- spatial pyramid
- image classification
- rank minimization
- dimensionality reduction
- semi supervised
- feature extraction