Naslov
Supporting automated grading of formative multiple choice exams by introducing student identifier matrices

Autori
Čupić, Marko ; Brkić, Karla ; Hrkać, Tomislav ; Kalafatić, Zoran

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
34th International Convention on Information and Communication Technology, Electronics and Microelectronics, Proceedings Vol. III Computers in Technical Systems & Intelligent Systems / Bogunović, Nikola ; Ribarić, Slobodan - Zagreb : Denona, 2011, 393-398

Skup
34th International Convention on Information and Communication Technology, Electronics and Microelectronics

Mjesto i datum
Opatija, Hrvatska, 23.05.2011. - 27.05.2011

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
student identifier matrices; automatic grading

Sažetak
We propose a solution which enables automated attribution of formative exams to students. We define the student identifier matrix, which is a graphical representation of a student ID number. The matrix is annotated by the student during the exam. We introduce a robust image processing procedure which enables automated recovery of the student ID from the matrix. We show that the proposed procedure achieves a recognition rate of 100% on 296 samples in presence of skewing, rotation and offsets introduced by the printing and the scanning processes.

Izvorni jezik
Engleski

Znanstvena područja
Računarstvo

POVEZANOST RADA