Logo des Repositoriums

Auflistung nach Autor:in "Bausinger, Oliver"

1 - 4 von 4
  • Konferenzbeitrag
    Challenges for the implementation and revision of international biometric standards demonstrated by the example of face image data
    (BIOSIG 2009: biometrics and electronic signatures, 2009) Ebinger, Peter; Neves, Margarida Castro; Salamon, René; Bausinger, Oliver
    Travel documents such as the electronic passport (ePass) ensure that each person can be uniquely identified by a single document. The development of new ePass security chip technologies allows for the inclusion of biometric properties in the data carrier of the ePass. The International Civil Aviation Organization (ICAO) has determined a personal photograph as being the interoperable feature for all global travel documents; ICAO [Gro04] regulations reference quality requirements for facial images as defined in ISO standard ISO/IEC 19794-5 [Intb]. Project FIReBIRDs goal is to prepare an international facial image database for conformity tests based on ISO/IEC 19794-5 [Intb], to analyze the requirements in the regulating documents, and to develop suggestions for adaptations and extensions of these standards. The FIReBIRD database shall provide a well-defined ground truth for level 3 conformance testing. For this purpose the specifications in the standard were thoroughly analyzed and in some parts refined to allow for a precise definition of ground truth. We show with two examples that there might be a defined common-sense definition for some parameters, but they are not measurable and their specification is not scientifically founded: the definition of full frontal view and the definition of eye and hair colors. Our results show that specifications and requirements should always be checked for necessity, practicability and usability and that a continued review and revision of biometric standards is necessary.
  • Konferenzbeitrag
    Fingerprint sample quality metric NFIQ 2.0
    (BIOSIG 2011 – Proceedings of the Biometrics Special Interest Group, 2011) Bausinger, Oliver; Tabassi, Elham
    At the NIST March 2010 workshop on “The Future of NFIQ”, the development of a new (open source) version of NFIQ in consultation and collaboration with users and industry was recommended. Following this recommendation, NIST and BSI set up a joint project for the development of a successor version of NFIQ. This paper explains the reasons and needs for the development and details the planned approach and development process.
  • Konferenzbeitrag
    Towards improving the NIST fingerprint image quality (NFIQ) algorithm
    (BIOSIG 2010: Biometrics and Electronic Signatures. Proceedings of the Special Interest Group on Biometrics and Electronic Signatures, 2010) Merkle, Johannes; Schwaiger, Michael; Breitenstein, Marco; Bausinger, Oliver; Elwart, Kristina; Nuppeney, Markus
    The NIST Fingerprint Image Quality (NFIQ) algorithm has become a standard method to assess fingerprint image quality. However, in many applications a more accurate and reliable assessment is desirable. In this publication, we report on our efforts to optimize the NFIQ algorithm by a re-training of the underlying neural network based on a large fingerprint image database. Although we only achieved a marginal improvement, our work has revealed several areas for potential optimization.
  • Konferenzbeitrag
    VISPILOT - towards european biometric visa border control
    (BIOSIG 2011 – Proceedings of the Biometrics Special Interest Group, 2011) Schwaiger, Michael; Rahmun, Fares; Bausinger, Oliver; Grell, Mathias
    To thoroughly prepare the expected start of the European Visa Information System (VIS) in 2011, Germany has implemented and evaluated the biometric visa border control process in a dedicated pilot project. In addition to implementing all necessary software modules for the access to the VIS, the focus of the project was set on the new feature of fingerprint biometrics. Fingerprint verification is applied to the primary position during border control where the process is optimised for fast completion, high throughput and ease of use. Extended identity checks with a quality-oriented border control process are conducted at the secondary position, where also a time-consuming fingerprint identification can be applied. Several tests were conducted during the pilot project in order to evaluate the VIS border control process. Recommendations regarding the implementation and operation of VIS related systems on the national level have been derived based on the evaluation results.