Table 1 Technologies used for the collection of FVC2004 databases.
From: An Efficient Watermarking Technique for the Protection of Fingerprint Images
Database | Sensor type | Image size | Resolution (dpi) |
|---|---|---|---|
DB1 | Optical sensor |
| 500 |
DB2 | Optical sensor |
| 500 |
DB3 | Thermal sweeping sensor |
| 500 |
