12-Biometrics-Lecture-12-Part1-2008-12-08

12-Biometrics-Lecture-12-Part1-2008-12-08 - Master SC...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Biometrics http://scgwww.epfl.ch/courses Master SC – Information and Communication Security Dr. Andrzej Drygajlo Speech Processing and Biometrics Group Signal Processing Institute Ecole Polytechnique Fédérale de Lausanne (EPFL) Center for Interdisciplinary Studies in Information Security (ISIS)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Biometrics: A Grand Challenge A fundamental problem in science and engineering with broad economic and scientific impact The grand challenge is to design a biometric system that would operate on the extremes of all these three axes simultaneously
Background image of page 2
3 Security , Frauds and Risks (Covadis) Frauds Risks Security + - + + + SSL OTP Token 1 Factor Infos Typed Véga™ Caroline™ 2 Factors Connected +biometry 2 Factors Not Connected Infos Typed Atria™ Cryptographic Terminal N Factors Connected Challenges/Responses External protected infos Alya™
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Requirements of a Practical Biometric System Should meet specified recognition accuracy, speed, and resource requirements Be harmless to the users Be accepted by the intended population Must be sufficiently robust to various fraudulent attacks on the system
Background image of page 4
5 Performance Testing Best Practices in Testing and Reporting Performance of Biometric Devices Components of a biometric system Types of Evaluation ± Technology evaluation ± Scenario evaluation ± Operational evaluation Identity Claims Performance Measures (ROC and DET) Generation of Matching Scores (off-line and on-line) Planning the Evaluation ± Determine information about the system ± Controlling factors that influence performance ± Volunteer selection ± Test size
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 Performance Testing Best Practices in Testing and Reporting Performance of Biometric Devices Report, Biometrics Working Group, UK , August 2002 Authors: ± A. J. Mansfield, National Physical Laboratory ± J. L. Wayman, San Jose State University Aims: To provide a framework for developing and fully describing test protocols. To help avoid systematic bias due to incorrect data collection or analytic procedures in evaluations. To help testers achieve the best possible estimate of field performance while expending the minimum of effort in conducting their evaluation. To improve understanding of the limits of applicability of test results and test methods.
Background image of page 6
7 Testing The document presents only technical performance testing . Other types of testing not considered in this document, but possibly more important, include: Reliability, availability and maintainability; Vulnerability; Security; User acceptance; Human factors; Cost/benefit; Privacy regulation compliance.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Components of a biometric system
Background image of page 8
9 Components of a biometric system Sample Features Template/Model Matching score Decision Transaction Presentation effects Channel effects
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10 Types of Evaluation The primary goal of Technology Evaluation is to measure the performance of biometric systems, typically only the
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 73

12-Biometrics-Lecture-12-Part1-2008-12-08 - Master SC...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online