I.R.I.S. Readiris Corporate 12 for Mac User Guide - Manual (Page 33)

Readiris TM Corporate 12 – User Guide
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and background (artwork). Sometimes smoothening is the only way
to separate text from a colored background.
Note that this function is not the same as the one you find in the
Adjust image options on the Process menu.
o Select Process as 300 dpi when you are processing images
of an incorrect or unknown resolution. The images will be
processed as if they had a 300 dpi resolution.
The resolution of digital camera images is nearly always unknown.
o Select Digital camera when you are using a camera as
scan source. Readiris uses special recognition routines to
process digital camera images.
Readiris supports Sony, HP, Canon, Casio and Fuji camera's as scan
source. Note that you can load already existing TIFF and JPEG
pictures from any type of camera, however.
Tips for using a digital camera as scan source:
 Calibrate the camera by photographing a white document.
 Always select the highest image resolution.
 Enable the macro mode of the camera to take close-ups.
 Only use optical zoom, not digital zoom.
 Hold the camera directly above the document. Avoid
photographing the document at an angle.
 Produce stable images. Use a tripod if necessary.
 Disable the flash when capturing glossy paper.
 Avoid opening compressed camera images.
 Adapt the Readiris brightness and contrast settings to the
environment (daylight, lamp light, neon light).

Select color or grayscale as color mode.