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primary topic: Image Processing for Enhanced OMR Answer Matching Precision

Image Processing for Enhanced OMR Answer Matching Precision
type: AcademicArticle
type: Article
abstract: Optical Mark Recognition (OMR) is used to automate answer matching especially in the education sector. OMR marking machine is costly and limited to specific OMR paper design, thus launching researchers using image processing to find less costly solutions. However, studies so far have achieved relatively low accuracy and poor consistency unless a fixed OMR form design is used. Accuracy drops with more OMR questions. Therefore, this study investigate means to improve OMR marking accuracy using enhanced algorithm designed for OMR marking. The results were compared against manual marking as the control and existing image processing algorithms. The metrics used are F1 score and error percentage for accuracy of detected answer options and marking fault respectively. The result is encouraging with consistent full accuracy for up to 90 questions as compared to previous works. © 2021 IEEE.
date: 2021
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

Institute of Electrical and Electronics Engineers Inc.
type: Organization

Proceedings - International Conference on Computer and Information Sciences: Sustaining Tomorrow with Digital Innovation, ICCOINS 2021
type: Collection

T. Jingyi
type: Person
given name: T.
family name: Jingyi

O.K. Bin
type: Person
given name: O.K.
family name: Bin

Y.K. Hooi
type: Person
given name: Y.K.
family name: Hooi

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primary topic: Image Processing for Enhanced OMR Answer Matching Precision