Fig. 4: Result comparison with different design strategies.
From: Correlating metasurface spectra with a generation-elimination framework

a The input spectra of three randomly selected samples from the testing dataset, where three reflection coefficients, Rxx, Rxy and Ryy, are plotted for each sample. b The inconsistent results when conventional fully connected network is used to handle the non-convergence spectra-to-spectra problem. The solid and dashed lines represent the ground truth and predicted results from the fully connected network, respectively. c The results with our VAE-based generation network. The dashed lines represent different candidates generated by sampling over the latent space, and at least one candidate is matched well with the solid line.