Training-Free Feature Extraction of BOTDA Based on Sparse Representation.
Hongxiu TanYating XiangHao WuLi ShenKangjie LiMaoqi ZhangCan ZhaoLin GanSongnian FuMing TangPublished in: OFC (2020)
Keyphrases
- sparse representation
- feature extraction
- face recognition
- image classification
- dictionary learning
- sparse coding
- dimensionality reduction
- feature representation
- manifold learning
- negative matrix factorization
- compressive sensing
- compressed sensing
- reconstruction error
- high dimensional data
- image patches
- random projections
- regularized least squares
- signal processing
- piecewise smooth
- image processing
- sparse reconstruction
- sparse approximations
- test images
- data sets
- training set
- pattern recognition
- dimension reduction
- image representation
- feature vectors
- feature space
- feature selection
- computer vision