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7 Bar Codes, Patch Codes, and OCR Indexing with Color Scanners
Bar code and patch
code reading and
OCR indexing with
i50/i60/i80 Scanners
Bar code and patch
code reading and
OCR indexing with
Color Scanners
3590C and 4500
Enabling binarization
for bar code and patch
code reading and
OCR indexing
A-63054 February 2004
Bar code and patch code reading and OCR indexing with the i50 Scanner, i60
Scanner, and i80 Scanner is supported only when bitonal scanning. Bar code
and patch code reading and OCR indexing are not supported when color or
grayscale scanning.
When color scanning with the Color Scanner 3590C or Color Scanner 4500,
bar code and patch code reading and OCR indexing are actually done on the
binarized color images. Therefore, binarization must be enabled while
scanning in order to perform indexing and document/batch separation from bar
codes, patch codes, and OCR zones on color images. Because binarization
may only be done on 150 dpi color images, bar code and patch code reading
and OCR indexing are only supported for color scanning at 150 dpi.
All of the bar code and patch code and OCR indexing features that are
described in Chapter 5, Patch Code Setup, and Chapter 6, Bar Code/OCR
Setup, are supported exactly the same for binarized color images as they are
for bitonal images when scanning with a black-and-white scanner.
To enable binarization for bar code or patch code reading and OCR indexing,
you must configure a Page Setup and an Image Setup in the following manner.
(For information about Page Setup and Image Setup, refer to Chapter 9,
Setting up Page Properties.)
1. Select 150 DPI on the Resolution drop-down list in the Page Setup
dialog box.
2. Click on the Setup button for the Front and/or Rear image.
Binarization of color images may be enabled separately for the front and
rear images.
7-1
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