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Table 3 Comparison of image evaluation parameters of different reconstruction algorithms (head CT)

From: Double regularization medical CT image blind restoration reconstruction based on proximal alternating direction method of multipliers

  FBP SART TV regularization The proposed method
PSNR 58.6891 58.8119 58.9634 61.8236
SSIM 0.9966 0.9967 0.9983 0.9993
UIQI 0.1830 0.1357 0.046 0.0296