Open AccessAn Application of Image Processing in Optical Mark Recognition
Author(s) -
Tran Vu Ha,
Nguyen Thị Thu
Publication year - 2020
Publication title -
agricultural sciences
Language(s) - English
Resource type - Journals
ISSN - 2588-1299
DOI - 10.31817/vjas.2020.3.4.09
Subject(s) - software , image processing , computer science , digital image processing , matlab , scanner , reading (process) , computer graphics (images) , image analysis , digital image , digital camera , artificial intelligence , computer vision , image (mathematics) , software engineering , operating system , political science , law
The Optical Mark Recognition (OMR) is very popular with universities for the reading of multiple-choice questions. In this article, we presented a software system for processing surveys at the Vietnam National University of Agriculture based on digital image processing. This software was built using MATLAB and easy to use. The surveys were digitized using a scanner and sent to the software tool. In this study, we tested more than 170 surveys of nine different types. The software tool correctly detected all the valid answers. It was also able to detect all questions with no or multiple marks.