Questionnaire scanning system employing expandable answer mark a

Details Questionnaire scanning system employing expandable answer mark a Questionnaire scanning system employing expandable answer mark a

1991-11-21

1993-07-20

Dzierzynski, Paul M.

Registers

Coded record sensors

Particular sensor structure

382 61, 382 45, G06K 920

Patent

active

052295893

ABSTRACT:
Questionnaires are scanned for answers(marks) handmarked thereon by defining areas of interest which can be expanded in an area of interest pixel map. An unmarked questionnaire is initialized by scanning to create a pixel map of an original image area, with any printed objects or text on the page being selected as alignment and reference points, rather than requiring timing marks and special registration marks. Areas of interest are defined answer area locations with their original pixel data stored in an initial database. Questionnaire pages are scanned for new answer images thereon by aligning both the page and the individual answer areas, and comparing the scanned page with the stored, unmarked page pixel map, thereby removing the pre-printed area from the newly scanned area to detect any new answers.

REFERENCES:
patent: 5134669 (1992-07-01), Keogh et al.
patent: 5140139 (1992-08-01), Shepard

Affiliated with

Also associated with

Rating

Questionnaire scanning system employing expandable answer mark a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Questionnaire scanning system employing expandable answer mark a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Questionnaire scanning system employing expandable answer mark a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1762367