COPYRIGHT © CANON ELECTRONICS INC. 2008 CANON DR-X10C FIRST EDITION
2-23
CHAPTER 2 FUNCTION & OPERATION
3. Image Processing Control
This machine performs main image
processing using the hardware in the main
body to speed up image processing.
Figure 2-403 shows the block diagram of
the image processing in the main body.
A/D conversion
Shading correction
Line alignment
Grayscale conversion
Dropout (RGB)
Reading PCB
300/600 dpi, analog
SDRAM
384 Mbytes
Image input
section
Frame sensor
processing
section
Color pixel
counter
Data rearrangememt
Frame detection
Auto image
type detction
Resolution conversion
Moire reduction
Image
processing
section 1
Image
processing
section 2
Image
processing
section 3
JPEG
compression
Edge emphasis
Binarization
ATE-II
JPEG
module
DMA I/F
SDRAM
64 Mbytes
SCSI/USB
controller
SDRAM
I/F
3-D color
correction section
Image rotation
Image interpolation
Data storage
Color correction
Dropout
(Custom)
Resolution conversion
1-D gamma correction
Grayscale conversion
Binary ABC
Blank skip
Prevent bleed-through
Moire reduction
300/600 dpi, digital
Scanner controller (IC108)
Image CIS
(Front/Back)
Frame CIS
(Right/left)
Figure 2-403