Table 1 Comparing localization accuracy of different methods using Ubiris database. The whole table entries are taken from reference [19], excluding the last row which contains the results obtained using our approach.
Methodology | Parameters | Session 1, % | Session 2, % | Degradation |
|---|---|---|---|---|
Daugman | Original methodology |
|
| 6.99 |
Daugman | Histogram equalization preprocessing |
|
| 4.69 |
Daugman | Threshold preprocessing (128) |
|
| 1.22 |
Wildes | Original methodology |
|
| 2.00 |
Wildes | Shen and Castan edge detector |
|
| 0.82 |
Wileds | Zero crossing edge detector |
|
| 1.88 |
Caumus and Wileds | Original methodology, number of directions  = 8 |
|
| 7.49 |
Martin-Roche et al. | Original methodology |
|
| 5.99 |
Tuceryan | Total clusters  = 5 |
|
| 3.56 |
Proenca et al. | Fuzzy K-means  + |
|
| 0.14 |
Our Proposed method | Pointwise level set approach with area preserving capability |
|
| 0.1 |
position, 
intensity
