I.R.I.S. Readiris Pro 12 for Windows User Guide - Manual (Page 58)

Chapter 9 – Recognizing documents
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sure of but also allows to increase the system's accuracy. All
solutions you confirm are memorized temporarily during
recognition, increasing the system speed and confidence and
rendering the system more intelligent as you go along. This
powerful learning tool also allows you to train Readiris on special
characters such as mathematical symbols and dingbats and to
handle distorted fonts.
The interactive learning results can also be stored permanently in
font dictionaries for future use.
S ELECTING THE DOCUMENT LANGUAGE
Readiris offers OCR in 128 languages. Readiris supports all
American and European languages including the Central-European,
Cyrillic and Baltic languages, as well as Greek and Turkish.
Readiris Pro Asian and Readiris Corporate Asian additionally
recognize documents in Japanese, Simplified Chinese, Traditional
Chinese and Korean.
Readiris Pro Middle-East and Readiris Corporate Middle-East
additionally recognize documents in Arabic, Farsi and Hebrew.
In order for Readiris to recognize a document, the document
language must be specified.
To do so:
Click the globe button on the main toolbar and select the language
of your choice in the drop-down list.