Keyphrases
- sparse representation
- matching pursuit
- road signs
- dictionary learning
- sparse coding
- image coding
- face recognition
- compressive sensing
- image patches
- object recognition
- joint optimization
- high dimensional data
- hough transform
- image classification
- signal processing
- basis functions
- dimensionality reduction
- pattern recognition
- automatic recognition
- image representation
- sparse coefficients
- traffic signs
- recognition algorithm
- feature extraction
- face identification
- generative model