Sparse Representation Shape Models.
Yuelong LiJufu FengLi MengJigang WuPublished in: J. Math. Imaging Vis. (2014)
Keyphrases
- shape model
- sparse representation
- dictionary learning
- sparse coding
- image patches
- image classification
- face recognition
- compressive sensing
- image representation
- joint optimization
- dimensionality reduction
- energy function
- object tracking
- compressed sensing
- shape prior
- manifold learning
- high dimensional data
- active appearance models
- regularized least squares
- random projections
- sparsity constraints
- sparse approximations
- signal processing
- illumination variations
- test images
- norm minimization
- sparse coefficients
- probabilistic model