Computational and Mathematical Methods in Medicine / 2015 / Article / Fig 8

Research Article

A Model of Regularization Parameter Determination in Low-Dose X-Ray CT Reconstruction Based on Dictionary Learning

Figure 8

The image reconstructed by AWR-GDSIR and the global dictionary. The dictionary is displayed in window , which is constructed training based on the patches extracted from original image. The image is reconstructed by 0.0% noise level projection data displayed in window  HU.