Fast Traffic Sign Recognition via High-Contrast Region Extraction and Extended Sparse Representation.
Chunsheng LiuFaliang ChangZhenxue ChenDongmei LiuPublished in: IEEE Trans. Intell. Transp. Syst. (2016)
Keyphrases
- sparse representation
- high contrast
- dictionary learning
- low contrast
- sparse coding
- image classification
- joint optimization
- compressive sensing
- face recognition
- compressed sensing
- random projections
- high dimensional data
- regularized least squares
- signal processing
- image representation
- image patches
- reconstruction error
- dimensionality reduction
- sparse reconstruction
- region of interest
- piecewise smooth
- high quality
- data mining
- negative matrix factorization
- low dimensional
- multiscale
- feature extraction
- decision trees
- data sets
- sparse coefficients