- •Introduction to Biometrics
- •1. Using information from the text, complete the following statements.
- •3. Match the factors that make a physical or a behavioral trait suitable for a biometric application on the right to their corresponding definitions on the left.
- •4. Complete the sentences below using the words in capitals.
- •5. Match the advantages and disadvantages of each biometric technology.
- •6. Translate the following sentences into English.
- •Listen to the Technology Report “Living in a World with Facial Recognition” and answer the following questions:
- •1. Choose the correct prepositions.
- •2. Complete the answers to the questions. Use the prepositions as, at, by, in, like, on with the words provided and any other necessary words.
- •3. Underline the correct word(s). In some sentences, both words are possible.
1. Using information from the text, complete the following statements.
1. Biometrics is the science and technology of _____________________________________________
2. Biometrics refers to technologies that__________________________________________________
3. There are basically two types of biometrics: _____________________________________________
4. Biometrics are used for _____________________________________________________________
5. Biometrics is a more secure form of authentication than ___________________________________
6. In Verification mode biometric system authenticates a ____________________________________
7. Biometric recognition can be used in Identification mode, where the biometric system identifies a __________________________________________________________________________________
8. Enrollment is defined as the process of ________________________________________________
9. Templates are used ________________________________________________________________
10. Biometric recognition offers a reliable solution to _______________________________________
2. Decide whether the following statements are true or false:
1. The oldest form of biometric verification is retinal scanning. 2. Iris-pattern and retina-pattern authentication methods are already employed in some bank automatic teller machines. 3. Biometrics refers to the measurement of physiological and psychological characteristics used to identify computer users. 4. During Verification a sample of the biometric trait is captured, processed by a computer, and stored for later comparison. 5. Biometrics is used as a replacement for passwords. 6. Templates are used during the biometric authentication process. |
True/False True/False
True/False
True/False
True/False True/False |
3. Match the factors that make a physical or a behavioral trait suitable for a biometric application on the right to their corresponding definitions on the left.
Term Definition |
|||
1. |
Universality |
a) |
The biometric factor must be difficult to imitate, the biometric solution must also allow liveliness detection. |
2. |
Uniqueness |
b) |
It should be possible to acquire and digitize the biometric trait using suitable devices that do not unduly inconvenience the individual. |
3. |
Permanence |
c) |
The given trait should be sufficiently different across individuals comprising the population. |
4. |
Measurability |
d) |
The recognition accuracy and the resources required to achieve that accuracy should meet the requirements of the application. |
5. |
Performance |
e) |
Every individual accessing the application should possess the trait. |
6. |
Acceptability |
f) |
The biometric trait of an individual should be sufficiently invariant over time with respect to a given matching algorithm. |
7. |
Circumvention |
g) |
Individuals in the target population that will use the application should be willing to present their biometric trait to the system. |