Computational and Mathematical Methods in Medicine / 2015 / Article / Fig 1

Research Article

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

Figure 1

From left to right are Shepp-Logan phantom, human head slice image, and human abdomen slice image. The whole windows are , HU, and HU while the display windows are , HU, and HU, respectively.