Optical Mark Recognition (OMR)


OMR( Optical Mark Recognition) is the technique used to scan a marked paper to detect the presence or absence of the mark in a predetermined position. The OMR reader illuminates a beam of strong light onto the paper for recognizing the marks. The contrasting reflectivity at the predetermined positions is then utilized to detect the marked positions on the paper. The marked areas reflect less light compared to the blank or unmarked areas.


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