VietNamNet Bridge - With a smartphone with GPS (global positioning system), users can take a roll call and conduct timekeeping no matter where they are.

 

The fingerprint identification chart

Tran Thanh Long and Doan Nguyen Dang Khoa, two information technology majoring students from the HCM City Open University, took a daring step when deciding to conduct a research work on biometrics even though they did not have deep knowledge about the field.

According to Long, biometric technology can be utilized widely in many different fields. Fingerprints are the biometric characteristic that is mostly used for security systems thanks to its popularity and easiness in use. 

The technology has been developed for high-end smartphone products. 

With a smartphone with GPS (global positioning system), users can take a roll call and conduct timekeeping no matter where they are.

This prompted Long and his co-worker to think of a system which could take a roll call and timekeeping with fingerprint technology.

The system would operate as follows: after fingerprints are scanned, the information about users would be sent to a server to be analyzed which would name the users through algorithms built up on C sharp, a programming language. GPS would find the positions of the users.

Currently, fingerprint technology is widely used to do timekeeping at offices. However, the systems have many disadvantages. For example, the systems won’t work if officers work at many different places. 

This would no longer be a problem with the program which recognizes fingerprints on mobile devices.

After conducting experiments on 2,000 cases to compare fingerprint images to check the algorithms, Khoa and Long felt excited when realizing that the accuracy level of the system was up to 98 percent.

Moreover, the system can provide information about students and roll-calls. The database allows students to keep close watch over students’ diligence and therefore, can draw up reasonable training plans. 

The system operates on Windows phones.

It took the two students two years to create the system. But even after the product took shape, they still had problems when they attended a students’ competition for talented young scientists. 

They ran the system on a trial before attending the presentation and found the system operating perfectly. However, errors occurred several hours before the presentation began. This forced them to work hard and run against the time to redo the programming of the system. However, everything later went smoothly.

Kham Pha