Non-rigid 3D Shape Retrieval via Sparse Representation.
Lili WanShuai LiZhenjiang MiaoYigang CenPublished in: PG (Short Papers) (2013)
Keyphrases
- sparse representation
- bag of words
- dictionary learning
- image classification
- sparse coding
- joint optimization
- reconstruction error
- image representation
- compressive sensing
- signal processing
- face recognition
- shape descriptors
- motion estimation
- random projections
- image patches
- compressed sensing
- shape matching
- high dimensional data
- sparse approximations
- d objects
- object tracking
- dimensionality reduction
- piecewise smooth
- regularized least squares
- negative matrix factorization
- sparse reconstruction
- sparsity constraints
- probabilistic model
- feature selection
- sparse learning
- data sets