Table 2 Comparison results of average RMSE and average R2 scores according to the wavelength of five models, SRCNN, FSRCNN, VDSR, LapSRN, and FRSR, in the test set divided into 24 wavelengths.

From: Grid-wise simulation acceleration of the electromagnetic fields of 2D optical devices using super-resolution

Wavelength data

SRCNN

FSRCNN

VDSR

LapSRN

FRSR

Average of RMSE

0.0043 \(\pm\) 0.0017

0.0061 \(\pm\) 0.0022

0.0041 \(\pm\) 0.0018

0.0042 \(\pm\) 0.0019

0.0038 \(\pm\) 0.0017

Average of R2

0.9684 \(\pm\) 0.0214

0.8628 \(\pm\) 0.2722

0.9435 \(\pm\) 0.0820

0.9733 \(\pm\) 0.0319

0.9738 \(\pm\) 0.0310

  1. Among the super-resolution models, the FRSR model demonstrates the best performance.
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