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About Pagis (XIF) files
4–16
Contents
To use Pagis Pro effectively, it is helpful to understand the
eXtended Image File (XIF) format. This format is central to the
many features that Pagis Pro provides.
XIF is an image file format that provides the following key
features:
high fidelity image quality
small file size
document analysis
When you scan a magazine page, for example, you want to scan
the text at a high resolution, and the color portions of the
document at a lower resolution, so that it will look as good as the
original. XIF lets you do this.
However, you do not want the scanned image to use a lot of space
on your computer. XIF's built-in file compression technology
produces very compact files.
Later, you may want to search on the data contained in this
magazine page. Or you may want to extract a block of text, or a
picture, from this image. XIF's document analysis technologies
enable you to do this, as well.
XIF achieves these goals by storing a scanned image in multiple
layers (Figure 4–8, next page).
Each layer is stored in an optimal resolution and bit-depth,
enabling you to process the document through any of the Pagis
functions.
Pagis Pro User's Guide
Index
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