Cosine transform preconditioners for high resolution image reconstruction

Keyphrases

• Cosine Transform 100%
• Super-resolution Reconstruction 100%
• Sub-pixel Displacement 100%
• Displacement Error 100%
• Numerical Examples 50%
• Undersampling 50%
• Conjugate Gradient Method 50%
• Fast Convergence 50%
• Normal System 50%
• Neumann Boundary Condition 50%
• Norm Regularization 50%
• Tikhonov Regularization 50%
• Spatially Variant 50%
• Normal Equations 50%
• Reconstruction Problem 50%
• Preconditioned Conjugate Gradient Method 50%
• Regularization Functional 50%
• High-resolution Image 50%
• Reconstruction Process 50%

Mathematics

• Regularization 100%
• Matrix (Mathematics) 100%
• Conjugate Gradient Method 100%
• Cosine Transform 100%
• Functionals 50%
• Numerical Example 50%
• Normal Equation 50%
• Neumann Boundary Condition 50%