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Image Functions
3.2.5
Grayscale reading
[A.3.3.2 CONTROL command / Control registerA#2/B#2 = B'xxxxxx1x']
Eight bit Grayscale reading is available. Following image processing functions can be specified for
grayscale reading. (See Table 3.2)
•
X,Y resolution
•
Main window area
•
Contrast
•
Black and White reverse
NOTICE: The throughput of the grayscale reading may 1/2 slower than binary reading.
NOTICE: Output resolution is limited as shown in Table 2.3 and 2.4.
3.3
Optional image function
Image functions in this section are available when IPC-2D or IPC3D option is installed.
The name of command and register in [ ] beneath the section title show where the item is specified in
Appendix A.
3.3.1
DTC mode function (Auto I mode)
[A.3.3.2 CONTROL command / Control register ]
This mode is designed to scan for better image quality to provide OCR (Optical Character Reader).
Threshold algorithm was developed to capture important text features for recognition purpose. The
image processing is deferent between IPC-2D and IPC-3D as follows.
IPC-2D : Note that the DTC image processing is composed by the following sub-functions.
3-12
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