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A random selection of test images corresponding to the plots shown in figure 7, with a training set of size N = 50. On each reconstruction, the top number is its SSIM and the bottom number is its PSNR w.r.t. the ground truth, with both performance measures computed on the lung regions only. The images are clipped between upper and lower attenuation coefficient limits of −1024 HU and 1023 HU.
