Crossover Error Rate Cer
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Equal Error Rate
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to perform a quantitative comparison of different biometric solutions, applications or devices.more terms and definitions Sponsors Biometrics About http://www.biometric-solutions.com/glossary.php?term=Crossover%20Error%20Rate biometrics Performance indicators Biometric applications Glossary Biometric Solutions Fingerprint Recognition Face Recognition Speaker Recognition Iris Recognition Keystroke Dynamics Biometric Devices Fingerprint Reader Biometric Software Reviews This Website Contact Terms and Conditions © 2010-2015 CORELAS BVBA VAT ID - BTW BE 0818.426.711 By using this website you are indicatingyour acceptance of our Terms and Conditions.
Other Computer Software What Is a Crossover Error Rate CER? What Is a Crossover Error Rate CER? By Dan Howard eHow Contributor Dan Howard Follow Pin Share Tweet Share http://www.ehow.com/info_12173088_crossover-error-rate-cer.html Email Save Burke/Triolo Productions/Brand X Pictures/Getty Images Each time you type in http://www.webopedia.com/TERM/E/equal_error_rate.html a password on your computer or swipe a credit card or employee identification badge, the information passes through a security verification system. Although these systems are highly accurate, it is impossible to create a system that is completely accurate. Crossover error rate, or CER, is measurement that quantifies the error rate in an error rate authentication system. Authentication Errors Two types of errors can occur when determining the authenticity of an attempt to access an information or security verification system. A false acceptance error occurs when a system incorrectly accepts bad authentication information. A false rejection error occurs when a transaction that has appropriate credentials is incorrectly rejected. System Design Even in optimal circumstances, it is impossible to design an authentication system crossover error rate that eliminates both false acceptances and false rejections. Rather, the levels of false acceptance or rejection are governed by the sensitivity of the system. The correlation between false acceptance rates and false rejection rates is always negative; that is, as false rejection rates diminish, false acceptance rates go up. System designers are tasked with figuring out the appropriate false acceptance and false rejection rates for each system they design. CER Definition Crossover error rate is defined as the sensitivity calibration point at which an authentication system design has an identical false acceptance rate and false rejection rate. If you plot false acceptance and false rejection rates at different sensitivities on a Cartesian graph, the CER is the point at which the two lines intersect. Crossover error rate is also commonly referred to as equal error rate, or EER. CER Implications A system's CER is used to describe the overall error rate of a system in a single number. The lower a system's CER, the lower the overall error rate of the system. If false acceptances and false rejections are of equal importance in a system, then the CER is the appropriate point at which to calibrate system sensitivity; doi
error rate test BER - bit error rate BERT - bit error rate test equalization stop error overflow error Class Speed Rating open rate bit rate audio sampling rate (ē´kw&l er´&r rāt) (n.) Equal error rate is abbreviated as EER. Equal error rate (EER) is a biometric security system algorithm used to predetermines the threshold values for its false acceptance rate and its false rejection rate. When the rates are equal, the common value is referred to as the equal error rate. The value indicates that the proportion of false acceptances is equal to the proportion of false rejections. The lower the equal error rate value, the higher the accuracy of the biometric system. Equal error rate may also be referred to as a crossover rate or crossover error rate (CER). PREVIOUSEERNEXTeffects animation Related Links A Method of Estimating the Equal Error Rate - PDF TECH RESOURCES FROM OUR PARTNERS WEBOPEDIA WEEKLY Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now. LATEST ARTICLES 8 Agenda Apps to Help Students Stay Organized Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More » List of Free Shorten URL Services A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More » Top 10 Tech Terms of 2015 The most popular Webopedia definitions of 2015. Read More » STUDY GUIDES Java Basics, Part 1 Java is a high-level programming language. This guide describes the basics of Java, providing an overview of syntax, variables, data types and... Read More » Java Basics, Part 2 This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Read More » The 7 Layers of the OSI Model The Open System Interco