Cmybk/Rgb Integration; Texture Processing; Color Conversion - Canon CLC 1120 Service Manual

P. CMYBk/RGB Integration
The CMYBk integration block and the RGB integration block perform the following
processing according to the instructions entered on the control panel or the editor:
· Transparency synthesis
· Gradation processing
The YMCK or RGB image data from an external device (IPU) and the CMYBk or RGB image
data read by the scanner unit are integrated according to the ratio of composition selected on the
control panel or the editor.
Q. Texture Processing
The image data read during pre-scanning is stored in memory for reading at time of image
processing according to the instructions from the control panel.
R. Color Conversion
The color conversion block performs the following processing according to the instructions
from the control panel or the editor.
· Color conversion
· Posterization
· Solarization
The color conversion block coverts RGB data into chromatic data (hue, brightness, saturatoin)
for the above processing on chromatic space data, and the resulting chromatic space data is
converted into RGB data and sent to the next step.
If images read by the scanner unit is to be sent to an external device, the color conversion block
sends them in the form of RGB data.
COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 4 IMAGE PROCESSING SYSTEM
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