Nuance pagekeeper pro 3 Manuale Utente

High OCR accuracy enhances your results when searching for images in 
PageKeeper. The following are ways to increase OCR accuracy.

Select a grayscale or color scan mode in PageKeeper’s Scanner settings 
if you are scanning poor-quality pages, pages with very small type, or 
pages with text on colored or shaded backgrounds. If you scan in 
grayscale, select a high resolution as well. Grayscale and color settings 
are only available with supported grayscale and color scanners. 

If you do not have a grayscale or color scanner, experiment with the 
Brightness setting in PageKeeper’s Scanner settings to get a good scan. 
Lighten the setting for thick, run-together text characters or dark 
backgrounds. Darken the setting for thin, broken text characters.

• Try to scan original documents rather than photocopies. Typeset, 

high-quality printed page images return the best OCR accuracy. 
With lesser-quality pages, OCR accuracy may be poorer. 

• Ask senders to select Fine or Best Mode when they send you a 

fax. 

• Page images should be free of notes, lines, or doodles. Any 

character distorted by a mark may be unrecognizable. 

Rather than making annotations on your paper documents, make 
text, line and scribble annotations in PageKeeper View. See 
“Annotating Documents” on page 62 for more information.

• Text in page images should be reasonably clean and crisp. 

Characters should be separated from each other and not blotched 
together or overlapping.

• Text in page images should not be underlined. It is difficult to 

recognize underlined text because the underline changes the 
shape of descenders on the letters q, g, y, p, and j.