Sharp MX-7000N Manual page 46

Scan
Scan Data Capture Accuracy Results
The device fared very
well on eight point and 10
point type, which is stan-
dard in most documents.
Four point text, which will
be processed on diagram
labels, and terms and
conditions on contracts,
did not fair as well with a
very low recognition rate
at 300 dpi, even on the
bold black font.
200 dpi vs.
300 dpi Output
The graph below clearly
illustrates the advantage
of fewer uncertain char-
acters resulting reduced
user intervention when
scanning for OCR work-
flow is switched from 200
dpi to 300 dpi.
The increase in
bandwidth and the slight
additional delay before the larger 300 dpi scanned file can be accessed by the
desktop operator are more than offset by the greater accuracy of character
recognition.
Text vs. Text/Photo
There was also a clear differentiation between the recognition of Text and
Text/Photo scanning modes. While the algorithm used in Text/Photo mode
may result in better looking output of images and photographs, it resulted in
less clear character capture which again results in increased user intervention
rates. Users should look carefully at the types of document they are scanning
before choosing the scanning method.
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Sharp MX-7000N
page 46 • September 1, 006