P137 - BIOSIG 2008 - Proceedings of the 7th International Conference of the Biometrics Special Interest Group

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Konferenzbeitrag
On Combining Classifiers for Assessing Portrait Image Compliance with ICAO/ISO Standards
(BIOSIG 2008: Biometrics and Electronic Signatures, 2008) Storer, Markus; Urschler, Martin; Bischof, Horst; Birchbauer, Josef A.
The International Civil Aviation Organization (ICAO) has selected biomet- rics - in particular face - as the technique for travel documents to verify the association between such documents and the person in possession of them. The International Stan- dard Organization (ISO) has defined a standard for the digital face images to be used in Machine Readable Travel Documents. Due to the ISO/IEC 19794-5 international standard, there exists a high demand for automatically checking portrait images to as- sist civil service employees in decision making regarding ICAO/ISO compliance. We present a face normalization and analysis system implementing several requirements of the ISO/IEC 19794-5 specification. We address the criteria eyes-open and mouth- closed and highlight the fusion of complementary classifiers to boost performance of the overall analysis system. Our results show that classifier fusion is capable of im- proving the classification performance considerably as compared to a single classifier decision.