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Text scanning

Posted on 2000-02-21
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Last Modified: 2013-12-15
I wanted to scan a text document into Microsoft Word and correct errors there.  But after I did, the scanned document did not resembled the original.  In place of letters in some places, there was gibberish.  What am I doing wrong, and what do I need to do to operate this piece os equipment properly?  
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Question by:grumpdaddy
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Expert Comment

by:sbiber
ID: 2545243
The Optical Character Recognition technology is not perfect. If there is an unusual font, a colored background, or a smudged document then you will get errors.
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Author Comment

by:grumpdaddy
ID: 2556448
I wish my car's windshield was as clean as my scan bed is.  The problem is not dirt, it's transcription.
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MadMax earned 50 total points
ID: 2556829
The Optical Charaster Recognition (OCR) software that ships with most scanners is a lite duty software that is approximately 75% to 80% accurate on text. This means in a 5 letter word 1 letter will most likely be wrong. It usually sees an 'a' as an 'a' but will sometimes see it as a @ symbol or turn an s into a 5 and so on. This is a limitation of the ocr's font package -  how robust the software is and how good the original is. If the document being scanned is a good high quality printed page with dark lettering and not set on the scanner gflass at an angle then the ocr will usually do a very good job. If the document is a fax that has been received and is being scanned and ocr'd or the document is set on the glass at even a slight angle then the results will be much lower. A professional duty ocr package usually cost as much or more than the scanner does. Most companies that market ocr software make upgrades from the lite duty to the professional grade available at a greatly reduced price.
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Author Comment

by:grumpdaddy
ID: 2558112
Thanks but what good is a scanner if the software running it is worth less?
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