Image Processing Control - Canon imageFORMULA DR-X10C Service Manual

3. Image Processing Control

This machine performs main image
processing using the hardware in the main
body to speed up image processing.
Reading PCB
Frame CIS
(Right/left)
Scanner controller (IC108)
Image input
section
Data rearrangememt
Frame sensor
processing
section
Frame detection
DMA I/F
SCSI/USB
controller
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Image CIS
(Front/Back)
300/600 dpi, analog
A/D conversion
Shading correction
Line alignment
Grayscale conversion
Dropout (RGB)
300/600 dpi, digital
processing
Resolution conversion
Moire reduction
Color pixel
counter
Auto image
type detction
JPEG
module
JPEG
compression
SDRAM
64 Mbytes
Figure 2-403
CANON DR-X10C FIRST EDITION
CHAPTER 2 FUNCTION & OPERATION
Figure 2-403 shows the block diagram of
the image processing in the main body.
Image
section 1
Image
processing
section 3
Edge emphasis
Binarization
ATE-II
SDRAM
384 Mbytes
SDRAM
I/F
Image rotation
Image interpolation
Data storage
3-D color
correction section
Color correction
Dropout
(Custom)
Image
processing
section 2
Resolution conversion
1-D gamma correction
Grayscale conversion
Binary ABC
Blank skip
Prevent bleed-through
Moire reduction
2-23