Reader Input Image Processing - Canon iR C3200 Series Service Manual

Chapter 5

5.5.3 Reader Input Image Processing

The image data read by the reader unit (RGB data) is processed by the main controller PCB (sub).
Processing that takes the
place of conventional input
masking; executes color
correction for the CCD's
RGB filters.
Applicable to monochrome
mode; hereafter, Bk
signals only.
5-16
Reader unit
RGB 24
Main controller PCB (sub)
RG phase correction
Input γ correction
Input direct
mapping
ACS
identification
• Edge emphases
• Smoothing
• See-through
prevention (BE)
• Bk generation
(monochrome mode)
• Framing
• Blanking
• Frame erasing
RGB
IC1015
F-5-11
Black text
identification
Image signal
generation
4
Main controller PCB (main)
0000-4293