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Supporting automated grading of formative multiple choice exams by introducing student identifier matrices (CROSBI ID 574122)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Čupić, Marko ; Brkić, Karla ; Hrkać, Tomislav ; Kalafatić, Zoran Supporting automated grading of formative multiple choice exams by introducing student identifier matrices // 34th International Convention on Information and Communication Technology, Electronics and Microelectronics, Proceedings Vol. III Computers in Technical Systems & Intelligent Systems / Bogunović, Nikola ; Ribarić, Slobodan (ur.). Zagreb: Denona, 2011. str. 393-398

Podaci o odgovornosti

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

engleski

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

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.

student identifier matrices; automatic grading

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Podaci o prilogu

393-398.

2011.

objavljeno

Podaci o matičnoj publikaciji

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

Podaci o skupu

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

predavanje

21.05.2011-25.05.2011

Opatija, Hrvatska

Povezanost rada

Računarstvo