Optical Character Recognition - Research Article from Macmillan Science Library: Computer Sciences

This encyclopedia article consists of approximately 3 pages of information about Optical Character Recognition.
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Methods for Recording Data

OCR requires hardware, in the form of a scanning device, and software to convert the images and character data from the source document into a digital form. Three primary methods are used to record data on a source document to be read by an OCR device. These include optically readable marks, bar codes, and optically readable characters, including handwritten characters.

In the fast-paced health care profession, some medical practitioners are using bar coded bracelets to make sure that patients receive the right medications in hospitals. The bracelets are designed to eliminate medication errors that, over the years, have killed innumerable people. In the fast-paced health care profession, some medical practitioners are using bar coded bracelets to make sure that patients receive the right medications in hospitals. The bracelets are designed to eliminate medication errors that, over the years, have killed innumerable people.

Optical mark recognition (OMR) uses OMR paper, sometimes called a "mark sense form." This paper has a series of rectangular shapes that are filled in using a pencil. The completed form is then fed through a scanning device that reads the filled-in...


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This section contains 866 words
(approx. 3 pages at 300 words per page)
Buy the Optical Character Recognition Encyclopedia Article
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Macmillan Science Library: Computer Sciences
Optical Character Recognition from Macmillan Science Library: Computer Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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