From: Iris Recognition: The Consequences of Image Compression
Compared databases | Minimum HD | Mean HD | Maximum HD |
---|---|---|---|
Original versus Original | 0.0025 | 0.1535 | 0.4795 |
Original versus 25 : 1 | 0.0000 | 0.1514 | 0.4818 |
Original versus 50 : 1 | 0.0000 | 0.1685 | 0.4705 |
Original versus 75 : 1 | 0.0008 | 0.1912 | 0.4742 |
Original versus 100 : 1 | 0.0035 | 0.2109 | 0.4802 |