Table. 1 Comparison of PSNR and SSIM values between the network output images and the corresponding ground truth SS-OCT images for five different pre-processing methods (also see Fig. 4).

From: Neural network-based image reconstruction in swept-source optical coherence tomography using undersampled spectral data

Processing method

PSNR (dB)

SSIM

Average

Standard deviation

Average

Standard deviation

Zero interpolation (“Results” section)

24.6580

1.3225

0.4391

0.0320

Zero-padding

24.3447

1.8167

0.4378

0.0338

Cubic interpolation

24.3610

1.2398

0.4018

0.0291

Linear interpolation

24.4303

1.3493

0.4169

0.0343

Nearest neighbor interpolation

24.4763

1.3144

0.4135

0.0288

  1. The highest average PSNR and SSIM values are shown in bold.
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