15 February 2006 IMAGE PROCESSING
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Detailed
Descriptions
6.6 IMAGE PROCESSING
6.6.1 OVERVIEW
This diagram shows the machine components that do the image processing.
SBU/CIS: Photoelectric conversion (600 dpi, 2-channel CCD odd/even
allocation), Amplification, A/D Conversion (analog to digital), Light
intensity detection (scanning)
BCU: Engine control, Scanner control, SBU settings, LDB settings
IPU: Shading correction, Image Processing, Main/Sub scan
magnification, Video patch switching, Compression/ decompression,
GAVD
Controller: System control, software application control, image storage control,
compression/decompression
LDB: 4-beam laser exposure, digital-to-grayscale conversion,
synchronization detection
CIS
SBU
PCI BUS
Polygon Motor
OPC
Key
Data flow
Signal flow
SBU/CIS
IPUBCU
LDB
Controller
HDD
B246D815.WMFF
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