Table 2 Image quality values for denoiser comparison at \(20\,\hbox {mGy}\).
From: Self-supervised denoising of grating-based phase-contrast computed tomography
Signal type | Method | PSNR | SSIM |
|---|---|---|---|
Attenuation coefficient | N2I 4s | \(\mathbf {27.15 \pm 0.12}\) | \(\mathbf {0.929 \pm 0.003}\) |
BM3D | \(\mathbf {27.06 \pm 0.33}\) | \(0.881 \pm 0.004\) | |
SIR | \(26.29 \pm 0.24\) | \(0.871 \pm 0.007\) | |
PPR | \(19.81 \pm 0.09\) | \(0.727 \pm 0.011\) | |
FBP | \(18.27 \pm 0.08\) | \(0.681 \pm 0.011\) | |
Electron density | N2I 2s | \(\mathbf {28.81 \pm 0.56}\) | \(\mathbf {0.910 \pm 0.005}\) |
BM3D | \(25.34 \pm 0.62\) | \(0.843 \pm 0.008\) | |
SIR | \(26.39 \pm 0.29\) | \(0.841 \pm 0.004\) | |
PPR | \(22.63 \pm 0.51\) | \(0.706 \pm 0.095\) | |
FBP | \(21.55 \pm 0.46\) | \(0.666 \pm 0.011\) |
