J. Eur. Opt. Society-Rapid Publ. 22, 25( 2026) 263
Figure 2. Gaussian curvature over mesh of surface test A for different mesh densities and two levels of noise: SNR = 70 dB and SNR = 90 dB.
Figure 3. Original mesh corresponding to surface model A and spectral mesh reconstruction using different numbers of eigenvectors in the spectral decomposition.