----- Original Message -----
Sent: Thursday, January 12,
2017 6:42 PM
Subject: Re: [nvda] OCR
One of the things I'm having trouble understanding here is
the context or contexts for the OCR processing being
- At the time of scanning an actual print document on a
flatbed or feeder scanner.
- In an existing document, such as an image scanned PDF or
an actual image itself that is known to be an image of a
page of text.
- "On the fly" in something that's an image being presented
in, say, a web browser that one would like to have read.
Virtually any relatively recent, and by that I do not mean
new, scanner or multi-function machine will come with an OCR
engine as part of its manufacturers software suite. Canon,
HP, Kodak, and other multi-function machines I've worked with
were all able to scan with OCR as part of the scan and, as it
happened, their scanner control software was also accessible
by screen reader. I've been using Canon's multi-functions for
years now, and even the cheapest one (read: cost about $30 ten
years ago) had a software suite included with it that featured
OCR as an integral part of scanning if one identified what one
was scanning as a document.
I've repeatedly mentioned that Tracker Software makes two
excellent free pieces of software that, while not 100%
accessible, are 100% accessible for doing OCR processing on
image PDFs with a remarkable level of accuracy and that also
feature free language packs if you're not scanning documents
in English. See either PDF-XChange Viewer or PDF-XChange Editor.
The "on the fly" instance is one where I don't know of
anything off the top of my head.
He discloses the workings of a mind to which
incoherence lends an illusion of profundity.
De Vere White