User manual

ABBYY PDF Transformer+
User’s Guide
29
1. Click the button on the toolbar or open the File menu and click Create from
Scanner…
2. Specify a resolution value and scan the image.
You may wish to compare the images of the same document obtained at different resolutions.
Image
Recommended resolution
300 dpi for regular texts (printed in fonts of size 10pt or larger)
400–600 dpi for texts printed in smaller fonts (9pt or smaller)
If you see the "Adjust image resolution" warning message...
Lower scanning resolutions may adversely affect the quality of text recognition.
We recommend scanning documents at 300 dpi.
For best recognition results, vertical and horizontal resolutions must be the same.
Setting the resolution too high (over 600 dpi) increases the recognition time. Increasing the
resolution does not yield substantially improved recognition results. Setting an extremely low
resolution (less than 150 dpi) adversely affects OCR quality.
You may need to adjust the resolution of your images if:
 the resolution of your image is less than 250 dpi or higher than 600 dpi
 the resolution of your image is non–standard; for example, faxes may have a resolution of 204 x 96
dpi.
To adjust the resolution:
1. Click the button on the toolbar or open the File menu and click Create from
Scanner….
2. Specify a resolution value and scan the image.