Table 2.
Mean and SD of Error Measures for Contrast Data Set
| Contrast [%] | Mean (SD) | |||||
|---|---|---|---|---|---|---|
| Geometric | Geodesic | GVF-Geo | CV | Aug. CV | ||
 |
1 | 0.108 (0.074) | 0.150 (0.095) | 0.092 (0.029) | 0.479 (0.055) | 0.050 (0.041) |
| 3 | 0.110 (0.082) | 0.133 (0.070) | 0.101 (0.060) | 0.368 (0.159) | 0.032 (0.022) | |
| 5 | 0.108 (0.096) | 0.132 (0.077) | 0.087 (0.046) | 0.271 (0.109) | 0.034 (0.024) | |
| 7 | 0.096 (0.078) | 0.134 (0.088) | 0.092 (0.079) | 0.239 (0.105) | 0.033 (0.020) | |
| 9 | 0.118 (0.105) | 0.127 (0.088) | 0.076 (0.051) | 0.115 (0.080) | 0.036 (0.026) | |
| 11 | 0.096 (0.100) | 0.124 (0.109) | 0.087 (0.066) | 0.086 (0.036) | 0.032 (0.024) | |
| 13 | 0.094 (0.073) | 0.099 (0.080) | 0.068 (0.038) | 0.052 (0.034) | 0.035 (0.024) | |
| 15 | 0.082 (0.070) | 0.104 (0.072) | 0.063 (0.051) | 0.039 (0.023) | 0.037 (0.023) | |
| 17 | 0.062 (0.039) | 0.085 (0.054) | 0.054 (0.018) | 0.034 (0.018) | 0.044 (0.029) | |
| 20 | 0.066 (0.033) | 0.063 (0.021) | 0.064 (0.042) | 0.027 (0.012) | 0.041 (0.024) | |
 |
1 | 9.071 (3.472) | 11.512 (3.517) | 8.121 (1.473) | 20.690 (2.410) | 7.301 (2.091) |
| 3 | 9.672 (3.847) | 10.921 (3.395) | 9.913 (3.605) | 19.682 (4.391) | 6.757 (1.763) | |
| 5 | 9.366 (3.523) | 10.357 (3.101) | 8.512 (2.792) | 16.251 (6.632) | 6.819 (1.750) | |
| 7 | 9.225 (3.074) | 10.902 (3.491) | 9.204 (3.510) | 14.180 (6.770) | 7.074 (2.532) | |
| 9 | 10.184 (4.148) | 11.943 (3.828) | 8.207 (2.792) | 9.975 (6.721) | 6.814 (1.806) | |
| 11 | 9.314 (3.942) | 10.711 (4.092) | 9.055 (2.866) | 9.487 (4.481) | 6.783 (1.854) | |
| 13 | 9.273 (3.021) | 9.620 (3.772) | 7.714 (2.176) | 8.059 (2.234) | 6.867 (1.894) | |
| 15 | 9.247 (3.690) | 9.873 (3.403) | 8.233 (3.234) | 7.006 (1.882) | 7.292 (2.243) | |
| 17 | 7.861 (2.253) | 9.074 (3.310) | 7.382 (1.817) | 7.053 (1.850) | 7.261 (2.217) | |
| 20 | 8.279 (1.893) | 8.494 (2.481) | 8.009 (2.692) | 7.028 (1.861) | 6.665 (3.010) | |