Disadvantages Of Biometrics Essay

ONLINE SIGNATURE VERIFICATION

TECHNIQUES

A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF

Bechlor of Technology

In

Electrical Engineering

By

Manisha Meena -2011EE10460

Priyanka Soni -2011EE10472

Under the Guidance of

Prof. Santanu Chaudhury

Department of Electrical Engineering

Indian Institute Institute Of Technology, Delhi

November,2014

1

CERTIFICATES

We do certify that this report explains the work carried out by us in the Course EED411, under the overall supervision of Prof santanu Chaudhary. The contents of the report including text, figures, tables, computer programs, etc. have not been reproduced from other sources such as books, journals, reports, manuals, websites,

Biometrics means Voice, Vein, Eye, Fingerprint, Facial recognition and more.

Disadvantage of biometrics is that it is an expensive identification solution. Sometimes because of some health issues and ageing factors, biometrics also does not give accurate results always

Despite these disadvantages, biometric systems are nowadays used widely in much kind of industries. If one is getting desired accuracy, than no other thing matters. Biometric authentication, in long run, promises to provide global citizens a sound identity management system.

1.2 Problem

Number of pen ups: The recorded feature shows the number of times the pen leaves the data acquisition screen during signing. While recording, a”;” is recorded every time the pen is up and the number of”;” is called the number of pen-ups occurred during signing.

3. Total length of the sign: The total length of the signature calculated by adding the distance between each of the coordinates.

4. Maximum/minimum velocity: While signing the maximum/minimum velocity found between two consecutive coordinates.

5. Length of signature horizontal: This feature describes the width of the signature. It can be found by:

(Maximum x coordinate value - minimum x coordinate value)

6. Length of signature vertical: This feature describes the height of the signature. It can be found by:

(Maximum y coordinate value - minimum y coordinate value)

1.4.4 Identification

Prior to identification, enrollment process is done. In the enrollment process signature of each user along with the skilled and non-skilled forgeries are enrolled in data base of the system. After that test signature is compared with the template of reference signatures enrolled in the data base. A threshold value is defined and the test signature is classified as genuine or forged depending on the threshold