Research on Log Pre-processing for Exascale System Using Sparse Representation.
Lei ZhuJianhua GuTianhai ZhaoYunlan WangPublished in: GPC (2013)
Keyphrases
- sparse representation
- preprocessing
- high performance computing
- scientific computing
- dictionary learning
- sparse coding
- feature extraction
- image classification
- face recognition
- dimensionality reduction
- joint optimization
- signal processing
- compressive sensing
- random projections
- reconstruction error
- image patches
- compressed sensing
- regularized least squares
- test images
- image representation
- piecewise smooth
- sparse reconstruction
- sparse approximations
- negative matrix factorization
- high dimensional data
- sparsity constraints
- computer vision
- parallel computing
- dimension reduction
- object recognition
- sparse codes