Biometrics Quiz

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

• Biometric facial recognition
• Digital fingerprint scanning
• Ink fingerprinting
• Voice recognition technology

What is valley in fingerprint

• A valley in a fingerprint is the space between two ridges.
• A valley is the color of the fingerprint ink.
• A valley is the highest point in a fingerprint.
• A valley is a type of fingerprint pattern.

The context of fingerprint recognition which refers to the direction in which the ridges run is called.

• ridge depth
• ridge count
• ridge orientation

• ridge pattern

Which of the following is not a level 3 feature in fingerprints

• Ridge contours

• Minutiae points
• 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