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Biometric Systems Components Quiz

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Questions and Answers

What are the main steps that should be applied to the image to extract useful information and match between different images?

Transmission, Compression, Data Storage, Expansion
Data Collection, Signal Processing, Feature Extraction, Decision
Biometric Segmentation, Quality Control, Pattern Matching, Transmission Channel
Image Acquisition, Preprocessing, Feature Extraction, Comparison (correct)

Which component is responsible for the main target of the iris region itself in the acquired iris images?

Data Collection
Feature Extraction
Biometric Segmentation (correct)
Image Acquisition

What is the general consensus among researchers regarding the main steps applied to iris images for discrimination?

Data Collection, Signal Processing, Biometric Segmentation, Feature Extraction
Transmission Channel, Quality Control, Sensor Accept/Reject, Accept
Data storage, Expansion, Templates, Images Transmission
Preprocessing, Feature Extraction, Comparison, Matching DB (correct)

Which step of the iris recognition system involves acquiring iris images and removing unnecessary information like sclera and eyelids?

Preprocessing (C) Signup and view all the answers

What is the purpose of the main target of the iris region in acquired iris images?

Feature Extraction (D) Signup and view all the answers

What is the main purpose of normalization in iris recognition?

To convert the Cartesian coordinate system into a polar coordinate system (D) Signup and view all the answers

What is the major difference between various methods of iris recognition systems proposed in the literature?

The extraction of unique features for each iris image (A) Signup and view all the answers

What is the purpose of matching in an iris verification system?

To check the existence of a person by comparing the codeword resulting from feature extraction with the existence codeword on the database (D) Signup and view all the answers

Which preprocessing step is used to exclude the pupil circle, eyelashes, and reflections from the extracted iris region?

Segmentation and localization (D) Signup and view all the answers

What does the identification process determine in an iris verification system?

The persons existed on the database by comparing their keywords with keywords on the database (C) Signup and view all the answers

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