Cross-over Error Rate
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Crossover Error Rate Calibration
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Crossover Error Rate Graph
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and Segmentation Market Sizing & Forecasting Market and Product Strategy Consulting Marketing Campaign Support Strategic Advisory Sessions Resources Company Profiles White Papers About Overview Team Research Methodology Careers Contact Us Newsroom Press Releases Tractica in the News Events biometrically Blog My Reports Register June 23, 2015 Bob Lockhart In Biometrics, Which Error cross over error rate Rate Matters? Biometrics error rates are like wine. The question, “What is a good wine?” cannot be answered out of
False Acceptance Rate
context. Not for me, at least. I need more information like, “What are you eating with it?” I might not suggest the same wine for a rack of lamb as I would http://www.igi-global.com/dictionary/crossover-error-rate-cer/6294 for a filet of sole. Biometrics’ wine question is, “What is the most important error rate?” Again, it depends on what you’re doing. Three error rates are commonly discussed relating to biometrics: the false accept rate, the false reject rate, and the equal error rate (or crossover error rate): the point where a biometrics’ false accept rate and false reject rates are equal. Vendors can tune https://www.tractica.com/biometrics/in-biometrics-which-error-rate-matters/ their false accept and false reject rates: for example, by adjusting the size of their biometric templates or by adjusting the confidence interval that determines a match. Biometric verification is a statistical process, not a yes/no comparison, so a more precise comparison produces a greater degree confidence in the verification. You might think that a greater confidence interval is better but that is not always the case. Like most everything in biometrics, error rate selection is governed by use cases. For starters, we can dismiss the equal error rate (EER). In all my research, I have yet to encounter a use case where having an equal probability of false accept or false reject was optimal. EER is an interesting academic construct but it’s hard to think of a use case where it matters. That leaves us with choosing the right false accept or false reject rate, and with choosing the right wine for our rack of lamb. A greater confidence interval lowers the probability of a false positive: that someone will be accepted who should not be accepted. This is highly desirable when authenticating a remote wire transfer of $10 million. It is th
error rate test BER - bit error rate BERT - bit error rate test equalization stop error overflow error Class Speed Rating open rate bit http://www.webopedia.com/TERM/E/equal_error_rate.html 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 error rate 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 over error rate 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 Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »