Could you solve A and B if possbile true ID claimed ID010101010101020202020303030304040404040404040405050505050506060606060607070707070707080808010111172022020613230303182204040404041113131405050505072406060606202407070707071418040408score0.980.730.320.210.360.230.430.230.390.270.790.410.160.580.690.610.700.480.640.550.670.900.470.920.680.420.610.250.330.710.780.890.880.170.610.640.670.560.810.960.290.490.570.060.77Table 1true ID claimed ID080810101010101011111111111212121212121212131313131313131414141414151515151515151516161616131405071010101909111111140112121212122020051313131313130414141414031015151518212511161619score0.010.410.250.140.640.700.630.470.400.780.950.600.360.390.810.650.950.740.480.560.600.110.720.740.810.630.560.910.110.700.590.290.510.240.320.640.520.730.520.320.460.420.710.950.23true ID=============2885-555-888********************claimed ID081117171717211518180107122020201314192121250103122206081323232323230223240321242525252525score0.680.220.800.880.970.690.380.440.560.470.340.080.200.890.770.760.150.430.340.790.720.130.510.720.040.780.260.270.700.920.650.400.180.660.550.680.510.680.210.160.690.770.720.970.71 3. An automated handwritten signature verification system is being tested. Twenty fivevolunteers ('01' to '25') are enrolled for this exercise. They attempt to access thesystem both as genuine users as well as impostors (i.e., pretending to be someoneelse). Table 1 shows the data log of the matching scores from these trial attempts(denoting the similarity of the presented biometric to the enrolled template). Thescores ranged between [0 1]. A high score implies better match between the livesample and the stored template. Any match score greater than the operator-selectedthreshold (0) results in successful authentication.(a) Calculate the False Acceptance Rate (FAR) and the False Rejection Rate (FRR)of the system for a threshold of 0 = 0.65.(b) Also determine the FAR and FRR values for 0 = 0.25, 0.35, 0.45, 0.55 and 0.75.(c) Hence plot the Detector-Error-Trade-off (DET) characteristics of the system. [Youmust use a proper graph paper (with appropriate/adequate grids) for this plot. The plotmay be hand drawn or software generated.](d) Determine, graphically or otherwise, the Equal Error Rate (EER) of the system.

The given question is asking for the calculation of False Acceptance Rate (FAR) and False Rejection…

Answered: Could you solve A and B if possbile

Engineering

Computer Engineering

Could you solve A and B if possbile

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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Question

100%

Could you solve A and B if possbile

true ID claimed ID
01
01
01
01
01
01
02
02
02
02
03
03
03
03
04
04
04
04
04
04
04
04
04
05
05
05
05
05
05
06
06
06
06
06
06
07
07
07
07
07
07
07
08
08
08
01
01
11
17
20
22
02
06
13
23
03
03
18
22
04
04
04
04
04
11
13
13
14
05
05
05
05
07
24
06
06
06
06
20
24
07
07
07
07
07
14
18
04
04
08
score
0.98
0.73
0.32
0.21
0.36
0.23
0.43
0.23
0.39
0.27
0.79
0.41
0.16
0.58
0.69
0.61
0.70
0.48
0.64
0.55
0.67
0.90
0.47
0.92
0.68
0.42
0.61
0.25
0.33
0.71
0.78
0.89
0.88
0.17
0.61
0.64
0.67
0.56
0.81
0.96
0.29
0.49
0.57
0.06
0.77
Table 1
true ID claimed ID
08
08
10
10
10
10
10
10
11
11
11
11
11
12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
14
14
14
14
14
15
15
15
15
15
15
15
15
16
16
16
16
13
14
05
07
10
10
10
19
09
11
11
11
14
01
12
12
12
12
12
20
20
05
13
13
13
13
13
13
04
14
14
14
14
03
10
15
15
15
18
21
25
11
16
16
19
score
0.01
0.41
0.25
0.14
0.64
0.70
0.63
0.47
0.40
0.78
0.95
0.60
0.36
0.39
0.81
0.65
0.95
0.74
0.48
0.56
0.60
0.11
0.72
0.74
0.81
0.63
0.56
0.91
0.11
0.70
0.59
0.29
0.51
0.24
0.32
0.64
0.52
0.73
0.52
0.32
0.46
0.42
0.71
0.95
0.23
true ID
=============2885-555-888********************
claimed ID
08
11
17
17
17
17
21
15
18
18
01
07
12
20
20
20
13
14
19
21
21
25
01
03
12
22
06
08
13
23
23
23
23
23
02
23
24
03
21
24
25
25
25
25
25
score
0.68
0.22
0.80
0.88
0.97
0.69
0.38
0.44
0.56
0.47
0.34
0.08
0.20
0.89
0.77
0.76
0.15
0.43
0.34
0.79
0.72
0.13
0.51
0.72
0.04
0.78
0.26
0.27
0.70
0.92
0.65
0.40
0.18
0.66
0.55
0.68
0.51
0.68
0.21
0.16
0.69
0.77
0.72
0.97
0.71

3. An automated handwritten signature verification system is being tested. Twenty five
volunteers ('01' to '25') are enrolled for this exercise. They attempt to access the
system both as genuine users as well as impostors (i.e., pretending to be someone
else). Table 1 shows the data log of the matching scores from these trial attempts
(denoting the similarity of the presented biometric to the enrolled template). The
scores ranged between [0 1]. A high score implies better match between the live
sample and the stored template. Any match score greater than the operator-selected
threshold (0) results in successful authentication.
(a) Calculate the False Acceptance Rate (FAR) and the False Rejection Rate (FRR)
of the system for a threshold of 0 = 0.65.
(b) Also determine the FAR and FRR values for 0 = 0.25, 0.35, 0.45, 0.55 and 0.75.
(c) Hence plot the Detector-Error-Trade-off (DET) characteristics of the system. [You
must use a proper graph paper (with appropriate/adequate grids) for this plot. The plot
may be hand drawn or software generated.]
(d) Determine, graphically or otherwise, the Equal Error Rate (EER) of the system.

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