- •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.
4. Complete the sentences below using the words in capitals.
Fingerprint identification. A ___________ looks at the patterns found on a fingertip. There are a variety of approaches to fingerprint ___________, such as traditional police method, using pattern-matching devices. It is a very good choice for in-house systems. Hand geometry. This involves analyzing and measuring the ___________ of the hand. It might be suitable where there are more users or where user accesses the system ___________. Accuracy can be very high if desired. Retina scan. A retina-based biometric involves analyzing the layer of ___________ vessels situated at the back of the eye. This ___________ involves using a low ___________ light source through an optical coupler to scan the ___________ patterns. Iris scan. An iris-based ___________ involves analyzing features found in the colored ring of tissue that surrounds the pupil. This uses a fairly ___________ camera element and ___________ no close contact between the user and the reader. Face recognition. Face recognition analyses facial ___________. It requires a digital camera to ___________ a facial image of the user for ___________. Because facial scanning needs extra peripheral things that are not included in basic PCs, it is more of a niche market for ___________ authentication. Signature. Signature verification analyses the way user signs his name. Signing features such as speed, ___________, and pressure are as important as the finished signature's static shape. People are used to signatures as a means of ___________-related identity verification. Voice analysis. Voice authentication is based on voice-to-print authentication, where ___________ technology transforms voice into ___________. Voice biometrics requires a ___________, which is available with PCs nowadays. DNA. DNA Biometrics could be the most ___________ form of identifying any given individual. The main problems surrounding DNA biometrics is that it is not a quick process to ___________ someone by their DNA. |
FINGERPRINT VERIFICATION SHAPE INFREQUENTLY BLOOD TECHNIQUE INTENSITY UNIQUE BIOMETRIC CONVENTIONAL REQUIRES CHARACTERISTICS DEVELOP AUTHENTICATION NETWORK VELOCITY TRANSACTION COMPLEX TEXT MICROPHONE EXACT IDENTIFY |
5. Match the advantages and disadvantages of each biometric technology.
Techniques |
Advantages |
Disadvantages |
Facial recognition |
a. Reliable, as it is a unique mark of an individual. b. Verification time is about five seconds. |
a. A lot of memory for the data to be stored. b. Very expensive |
Voice recognition |
a. Very high accuracy. b. It impossible that the system made mistakes. |
a. Easily recorded and used for unauthorised PC or network. c. It can alter with age or illness |
Signature recognition
|
a. There is no known way to replicate a retina. b. Fast verification. |
a. Not done in real-time. b. Very expensive. |
DNA |
b. Little time of verification c. Cheap technology. |
a. Unreliable when there is a different light exposure. b. Requires camera equipment. |
Retinal scanning |
a. Most economical biometric technique. d. required small storage space |
a. Affected by skin condition. b. Association with forensic applications. |
Iris recognition |
a. Ability to operate covertly. b. Cheap technology. |
a. People don't always sign in the same manner. b. Large templates (1K to 3K) |
Fingerprint
|
a. It can be easily integrated into other devices or systems. b. Ability to enroll multiple fingers. |
b. It takes lots of space to record. c. Can be altered by jewelry or medical conditions. |
Hand Geometry |
a. Patterns apparently stable throughout life. b. Changing pupil size confirms natural physiology. |
a. Potentially harmful to the eye. b. Limited applications. |