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nshot Error Rates FRR 1 0.9 0.8 0.7 0.5 0.4 0.3 0.2 0.1 0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0 FRR 0.1 0.1 0.2 System performance 0.2 0.3 0.4 0.6 Operating Threshold 0.3 (a) System Performance (DET Curve) 0.4 0.5 0.5 FAR (b) Figure 2 0.7 0.6 0.7 0.8 0.8 FAR 0.9 0.9 1 1

nshot Error Rates FRR 1 0.9 0.8 0.7 0.5 0.4 0.3 0.2 0.1 0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0 FRR 0.1 0.1 0.2 System performance 0.2 0.3 0.4 0.6 Operating Threshold 0.3 (a) System Performance (DET Curve) 0.4 0.5 0.5 FAR (b) Figure 2 0.7 0.6 0.7 0.8 0.8 FAR 0.9 0.9 1 1

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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-nshot Error Rates FRR 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0 FRR 0.1 0.1 · 0.2 System performance 0.2 0.3 0.4 0.6 Operating Threshold 0.3 (a) System Performance (DET Curve) 0.4 0.5 0.5 FAR (b) Figure 2 0.7 0.6 0.7 0.8 0.8 FAR • 0.9 0.9 1 1
Transcribed Image Text:-nshot Error Rates FRR 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0 FRR 0.1 0.1 · 0.2 System performance 0.2 0.3 0.4 0.6 Operating Threshold 0.3 (a) System Performance (DET Curve) 0.4 0.5 0.5 FAR (b) Figure 2 0.7 0.6 0.7 0.8 0.8 FAR • 0.9 0.9 1 1
2. You are evaluating a biometric system for potential use in a security application. Experimental measurements of False Rejection Rate (FRR) and False Acceptance Rate (FAR) values have been estimated at different threshold settings and are presented in two different plots as shown in Figure 2. (a) Determine the Equal Error Rate (EER) of the system from each of the plots separately. [You need to annotate how you derived the value(s).] (b) The security application needs an FAR not greater than 15% and an FRR less than 25%. Would you recommend procuring this system for the application? Explain briefly. [You need to carry out this analysis using Figure 2(a) and Figure 2(b) independently. You need to explain/annotate how the decision is reached.]
Transcribed Image Text:2. You are evaluating a biometric system for potential use in a security application. Experimental measurements of False Rejection Rate (FRR) and False Acceptance Rate (FAR) values have been estimated at different threshold settings and are presented in two different plots as shown in Figure 2. (a) Determine the Equal Error Rate (EER) of the system from each of the plots separately. [You need to annotate how you derived the value(s).] (b) The security application needs an FAR not greater than 15% and an FRR less than 25%. Would you recommend procuring this system for the application? Explain briefly. [You need to carry out this analysis using Figure 2(a) and Figure 2(b) independently. You need to explain/annotate how the decision is reached.]
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