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Should this be necessary, you can optimize the image further for the OCR
process. The IRISPen Executive uses some complicated concepts here, and we
need to discuss them in detail.
The option "Smoothen Image" renders the greyscale images more homoge-
neous by “flattening”, smoothing out relative differences in intensity. As a result,
a sharper contrast is created between the foreground - the text - and the back-
ground - a color, artwork etc. We suggest that you leave this option enabled at all
times.
The brightness now. By “brightness”, we actually mean the black-and-white
threshold. As indicated earlier, the setting "Automatic" determines the bilevel
threshold automatically but with a great deal of intelligence. Leave the default
automatic setting for all normal documents. Apply a different threshold when
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