Image Image Dimension Electrode Matrix Dimension STEMLIS Method Classical Method Comparison Criteria Comparison Criteria MSE HSR IDEP MSE HSR IDEP 48017 161 × 241 50 × 70 1664.3 0.9149 425 1823.9 0.8992 636 175083 150 × 200 50 × 60 780.6 0.9438 451 1865.1 0.8695 444 Cameraman 128 × 128 40 × 40 2143.9 0.6042 171 2177.1 0.6300 251 334025 241 × 161 60 × 40 900.46 0.8718 217 1630.4 0.8011 364 Test image 300 × 300 100 × 100 1019.1 0.4904 1006 1248.1 0.5104 1210 140006 300 × 300 100 × 100 1077.8 0.9207 1489 1959.9 0.8606 1673 Mean Values 1264.36 0.7909 626.5 1784.08 0.7618 763

Table 1: Comparative results for MSE-, HSR-, and edge (incorrectly detected edge pixels: IDEP)-based measures for original and phosphene images obtained with the STEMLIS and classical methods.