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WorksheetsBiometrics Quiz
Total questions: 16
Worksheet time: 16mins
What is a "ridge" in fingerprint patterns?
The boundary between different patterns
The raised portion of the skin surface forming part of the fingerprint pattern
The flat surface of the fingerprint
The small dots in the fingerprint
What are the three main fingerprint pattern types?
Loop, arch, and circle
Loop, spiral, and arch
Spiral, circle, and wave
loop, whorl and arches
Which feature is used to compare two fingerprint images?
Color contrast
Minutiae points and their relative positions
Width of the ridge
Size and orientation of the fingerprint
Which of the following is a common method used in fingerprint recognition?
Data encryption
Facial mapping
Biometric scoring
Feature extraction
Which of the following is an online fingerprint acquisition technique
What is valley in fingerprint
The context of fingerprint recognition which refers to the direction in which the ridges run is called.
ridge orientation
Which of the following is not a level 3 feature in fingerprints
Ridge contours
Sweat pores
Edge shapes
Triangular points where ridge lines diverge
Core
Delta
Valley
Islands
Which of the following is valid minutiae representation
Ridge ending at (x1,y1) with orientation θ1
Bifurcation at (x2,y2) with orientation θ2
Both of these
None of these
Which step in fingerprint recognition ensures that fingerprints are correctly positioned?
Feature extraction
Alignment
Pairing
Orientation
Which of the following are fingerprint online sensing techniques:
a) Optical Sensors
b) Capacitance
c) ink paper
d) ultrasound sensors
a, b, c
a, c, d
a, b, d
a, b, c, d
Which process separates fingerprint region from background or noise?
Segmentation
Enhancement
Frequency estimation
Ridge extraction
Feature extraction creates a ________ which is a compact, machine-readable representation of fingerprint
Singular points
Noise
Template
Minutiae points
Optical fingerprint sensing does not need which of these components
Glass plates
Electrodes
LED or Laser light source
CCD Camera
A fingerprint is classified into ______ if it doews not contain any singular points
Whorl
Plain Arch
Twin loop
Tented Arch
