I.R.I.S. Readiris 14 for Mac User Guide - Manual (Page 110)

Readiris TM 14 – User Guide
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Create bookmarks
Bookmarks are types of links inside a PDF document, which
contain representative information about the section they are linked
to. Bookmarks give structure to your PDF documents. They are
grouped in the Bookmarks panel in the Navigation pane.
In Readiris, the option Create bookmarks creates a bookmark for
each text zone, image zone and table zone inside a PDF file.
Example of bookmarks
iHQC level
In Readiris you also have the possibility to hyper-compress your
PDF documents with iHQC. iHQC stands for intelligent High-
Quality Compression, I.R.I.S.' proprietary, efficient compression
technology. iHQC is to images what MP3 is to music and what
DivX is to movies.
iHQC is available for Image-Text and Image PDFs.
Select the compression type: