Preconditioned iterative methods for algebraic systems from multiplicative half-quadratic regularization image restorations

Keyphrases

• Image Reconstruction 100%
• Preconditioned Iterative Methods 100%
• Algebraic System 100%
• Half-quadratic Regularization 100%
• Preconditioned Conjugate Gradient Method 66%
• Regularization Method 33%
• Regularization Term 33%
• Image Edge 33%
• Convergence Rate 33%
• Energy Function 33%
• Preconditioned Matrix 33%
• Restored Image 33%
• Data Fidelity Term 33%
• Coefficient Matrix 33%
• Newton's Method 33%
• Nonlinear System of Equations 33%
• Eigenvalue Bounds 33%
• Symmetric Positive Definite 33%
• Newton Equation 33%
• Edge-preserving Regularization 33%
• Constraint Preconditioner 33%
• Reduced System 33%

Mathematics

• Regularization 100%
• Iterative Method 100%
• Multiplicative 100%
• Algebraic System 100%
• Edge 50%
• Conjugate Gradient Method 50%
• Nonlinear Equation 25%
• Matrix (Mathematics) 25%
• Energy Function 25%
• Eigenvalue 25%
• Positive Definite 25%
• Coefficient Matrix 25%
• Newton's Method 25%
• Speed Convergence 25%
• Newton Equation 25%
• Reduced System 25%