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- How to OCR (optical character recognition) documents
- ====================================================
-
- The first step in building a hypertext system <FILE30 BUILDING> is converting
- the information into ASCII or graphic files. The machines that convert text
- printed onto paper into an ASCII file are called optical character reader
- (OCR) machines.
-
- As for this service, we've paid OCR prices ranging from $1 to $4 per page.
- Most of these prices apply only to OCR reading of typewritten texts. And
- these prices also do not include proofing, which we've found to be the
- major cost in preparing information for hypertext indexing.
-
- We now have two system that read both typewritten and typeset text. The
- cost for these OCR scanners and necessary software range from $4,000 to
- $15,000. The differences in price reflect the error rate in reading
- typeset text (95% to 98.5% accuracy), with the more expensive machines
- being more accurate.
-
- The cheaper machines simply scan the document, then display the text on a
- screen. The more expensive machines have a learning mode in which you note the
- scanning errors in one or more pages of text. The machine then rescans the
- material, correcting those errors.
-
- As a result of having access to these machines, if you have need for such
- OCR service, I'd be happy to describe the hardware, software, or quote the
- cost of rapidly converting your text on paper to ASCII files.
-
- Neil Larson 1/16/88 FILE31
- 44 Rincon Rd., Kensington, CA 94707
- Copyright MaxThink 1988 -- Call 415-428-0104 for permission to reprint
-