Nonsingular approximations for a singular covariance matrix

Keyphrases

• Covariance Matrix 100%
• Singular Covariance Matrix 100%
• Number of pixels 33%
• High-dimensional Data 16%
• Difficult Problem 16%
• Covariance 16%
• Target Acquisition 16%
• Neighboring pixels 16%
• Covariance Matrix Estimation 16%
• Givens Rotation 16%
• Sparse Matrix Transform 16%

Mathematics

• Covariance Matrix 100%
• Variance 25%
• Covariance 25%
• Dimensional Data 12%
• Good Approximation 12%
• Sparse Matrix 12%
• Covariance Matrix Estimation 12%
• Givens Rotation 12%