Sparse Representation Based Approach to Prediction for Economic Time Series.
Weina WangYanli ShiRong LuoPublished in: IEEE Access (2019)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- compressive sensing
- image classification
- piecewise smooth
- signal processing
- image patches
- sparse reconstruction
- compressed sensing
- random projections
- negative matrix factorization
- image representation
- object tracking
- high dimensional data
- reconstruction error
- dimensionality reduction
- test images
- machine learning
- joint optimization
- semi supervised
- regularized least squares
- box jenkins
- sparse coefficients
- database
- unsupervised learning
- neural network