Proper quaternion Gaussian graphical models

Keyphrases

• Quaternion 100%
• Gaussian Graphical Model 100%
• Accurate Estimation 33%
• Inverse Covariance Matrix 33%
• Estimation Problem 33%
• Performance Improvement 33%
• Sparsity 33%
• Graphical Models 33%
• Small Sample Size 33%
• Gaussian Distribution 33%
• Numerical Methods 33%
• Chordal Graph 33%
• Sparsity Constraint 33%
• Number of Degrees of Freedom 33%
• Properness 33%
• Inverse Covariance Estimation 33%
• Convex Problem 33%

Mathematics

• Gaussian Distribution 100%
• Graphical Model 100%
• Closed Form Solution 66%
• Inverse Covariance Matrix 33%
• Covariance 33%
• Real Data 33%
• Numerical Methods 33%
• Synthetic Data 33%
• Inverse Gaussian 33%
• Convex Problem 33%
• Degree of Freedom 33%
• Mathematical Method 33%