SAR target feature extraction based on sparse constraint nonnegative matrix factorization.
Xin GaoZongjie CaoYingxi ZhengYong FanQi ZhangPublished in: GLOBECOM Workshops (2012)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- feature extraction
- principal component analysis
- negative matrix factorization
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- least squares
- spectral clustering
- nonnegative matrix
- sparse representation
- high dimensional
- dimensionality reduction
- face recognition
- low rank
- feature vectors
- image classification
- feature selection
- low dimensional
- sar images
- feature space
- data exchange
- original data
- nearest neighbor
- information extraction
- support vector machine
- active learning
- pattern recognition