Local Reconstruction Error of l2 Norm for Discriminant Feature Extraction.
Yu HouCaikou ChenPublished in: CIS (2011)
Keyphrases
- reconstruction error
- feature extraction
- objective function
- sparse representation
- principal component analysis
- singular value decomposition
- image classification
- subband
- sparse coding
- feature vectors
- filter bank
- reconstructed image
- preprocessing
- wavelet transform
- face recognition
- pattern recognition
- dimensionality reduction
- frequency domain
- feature selection
- face images
- feature space
- superpixels
- classification error
- image processing
- unsupervised learning
- image reconstruction