Figure 7
From: Accelerating Neutron Tomography experiments through Artificial Neural Network based reconstruction

The SSIM maps computed from FBP, SIRT and NN-FBP reconstructions of real data for Nproj = 668 and Nproj = 223 with respect to the ground truth image. Below each image the histogram of local SSIM values is represented, while above the global SSIM value is reported.