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Published on: September 2, 2020
Pores and ridges: high-resolution fingerprint matching using level 3 features.
Anil K Jain1, Yi Chen, Meltem Demirkus
1Department of Computer Science and Engineering, Michigan State University, 3115 Engineering Building, East Lansing, MI 48824-1226, USA. jain@cse.msu.edu
IEEE Transactions on Pattern Analysis and Machine Intelligence
|November 17, 2006
Summary
Adding Level 3 fingerprint features to Automated Fingerprint Identification Systems (AFIS) significantly improves matching accuracy. This enhancement reduces the equal error rate by 20 percent, even with lower-quality images.
Area of Science:
- Forensic Science
- Biometrics
- Computer Vision
Background:
- Fingerprint analysis uses hierarchical levels: Level 1 (pattern), Level 2 (minutia), and Level 3 (pores, contours).
- Automated Fingerprint Identification Systems (AFIS) typically only use Level 1 and Level 2 features.
- Current AFIS resolution standards (500 ppi) are insufficient for capturing Level 3 details.
Purpose of the Study:
- To investigate the performance gains of incorporating Level 3 features into AFIS.
- To develop and evaluate a hierarchical matching system utilizing all three fingerprint feature levels.
Main Methods:
- Proposed a hierarchical matching system using features from 1,000 ppi fingerprint scans.
- Extracted Level 3 features (pores, ridge contours) using Gabor filters and wavelet transform.
- Employed the Iterative Closest Point (ICP) algorithm for local matching of Level 3 features.
Main Results:
- Level 3 features provide significant discriminatory information for fingerprint matching.
- A relative reduction of 20 percent in the equal error rate (EER) was achieved when Level 3 features were combined with Level 1 and 2 features.
- Performance gains were consistent across fingerprint images of varying quality.
Conclusions:
- Integrating Level 3 features into AFIS enhances matching accuracy and reliability.
- The proposed hierarchical system demonstrates the value of utilizing comprehensive fingerprint details.
- Future AFIS development should consider higher resolution and extended feature sets for improved performance.
