A subspace method for array covariance matrix estimation.
Mostafa RahmaniGeorge K. AtiaPublished in: SAM (2016)
Keyphrases
- covariance matrix
- subspace methods
- principal component analysis
- estimation error
- covariance matrices
- sample size
- linear discriminant analysis
- face images
- independent component analysis
- face recognition
- ensemble methods
- feature space
- lower dimensional
- objective function
- dimensionality reduction
- distance measure
- benchmark datasets
- feature vectors
- face databases
- density estimation
- computational complexity