An Improved Joint Sparse Representation of Array Covariance Matrices Approach in Multi-source Direct Position.
Zhuo-Hao ChenKai YuJi-an LuoZhi WangPublished in: MASS (2014)
Keyphrases
- sparse representation
- multi source
- covariance matrices
- covariance matrix
- joint optimization
- data fusion
- dictionary learning
- maximum likelihood
- sparse coding
- information fusion
- face recognition
- vector space
- image patches
- gaussian distribution
- data integration
- gaussian mixture model
- image classification
- multiple sources
- distance measure
- gaussian mixture
- test images
- feature vectors
- linear classifiers
- image representation
- high dimensional data
- signal processing
- density estimation
- data warehouse
- support vector machine
- data sources