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Comparison of the accuracies of finger shape recognition according to one channel and three channel spectrogram images (unit: %).
| Method | EER | ||
|---|---|---|---|
| SDU-DB | PolyU-DB | ||
| 1 channel gray spectrogram image (Proposed method) |
1st fold | 5.35 | 10.096 |
| 2nd fold | 11.26 | 9.8146 | |
| Average | 8.305 | 9.9553 | |
| 3 channels color spectrogram image | 1st fold | 6.431 | 13.748 |
| 2nd fold | 14.711 | 18 | |
| Average | 10.571 | 15.874 | |
