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Table 1 PSNR, MAE, \(\mathrm{PSNR}_{\mathrm{E}}\), and CPU time (seconds) of all methods for the synthetic image (\(128\times 128\))

From: A class of singular diffusion equations based on the convex–nonconvex variation model for noise removal

  σ
  PSNR MAE \(\mathrm{PSNR}_{\mathrm{E}}\) CPU(s)
  30 50 30 50 30 50 30 50
PMS 36.87 32.99 3.65 5.71 21.20 18.73 1.67 1.94
AOS 36.67 33.43 3.74 5.43 20.83 19.11 0.33 0.59
PM 35.78 31.27 4.14 6.97 20.58 18.36 0.15 0.29
TV 34.31 31.26 4.91 6.97 13.81 12.58 1.12 1.79
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