Fig 1.
Illustration of the main idea in our method.
The fingerprint images are from FVC2004 DB1 27–3 and 27–5. For clarity, only a small subset of minutia pairs are shown. Candidate minutia pairs shown in (a) form the correspondence graph in (b) and the minutia tense matrix (MTM) in (c). Genuine minutia pairs corresponds to the dense subgraph of correspondence graph, and also the dense block of MTM. Minutia matching is formulated as recovering the dense sub-block in the MTM. It can be solved by the spectral correspondence methods.
Fig 2.
Illustration of local minutia tensor matrix.
The fingerprint images are captured from FVC2004 DB1 6–2 and 6–5. Minutia pairs within two local minutia topologic structures shown in (a) form the local correspondence graph in (b) and the local minutia tense matrix (local MTM) in (c). Correct pairs corresponds to the dense subgraph of local correspondence graph, and also the dense block of local MTM. Minutia matching is formulated as recovering the dense sub-block in the local MTM.
Fig 3.
Illustration of global minutia tensor matrix.
The fingerprint images are from FVC2004 DB1 27–3 and 27–5. For clarity, only four minutia structure pairs are shown. Candidate structure pairs shown in (a) form the global correspondence graph in (b) and the global minutia tense matrix (global MTM) in (c). Correct structure pairs corresponds to the dense subgraph of global correspondence graph, and also the dense block of global MTM. Minutia matching is formulated as recovering the dense sub-block in the global MTM.
Fig 4.
Curves of EER and Time with the growth of structural radius on FVC2004-DB1.
Table 1.
EER results on FVC database for local matching.
Table 2.
Time on FVC2004-DB1 for local matching.
Table 3.
Comparative results on FVC2002 database for global matching.
Table 4.
Comparative results on FVC2004 database for global matching.
Fig 5.
ROC curves on FVC2004-DB1 for global matching.
Fig 6.
A true match from FVC2004-DB1 4–2 and 4–3.
Table 5.
Time on FVC2004-DB1 for global matching.
Table 6.
Comparative results between MTM and previous papers.
Table 7.
Time between MTM and previous papers.