3.3 Optional image function

3.3Optional image function

Image functions in this section are available when IPC-2D or IPC3D option is installed.

The name of command and data in [ ] beneath the section title show the location for the reference in Appendix A.

3.3.1DTC mode function (Auto I mode)

[A.4.7 SET WINDOW command / DTC selection = X’40’]

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.

IPC-3D: Dynamic Threshold is identical to the Simplified Dynamic Threshold in IPC mode. (See section 3.3.2)

NOTICE 1: Threshold, Brightness, and Contrast settings are ignored in DTC mode.

NOTICE 2: Gamma correction is also ignored in DTC mode.

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