IMAGE PROCESSING 20 June 2005
6-20
6.5.4 IPU (IMAGE PROCESSING UNIT)
Overview
The image data from the SBU goes to the IPU (Image Processing Unit) IC on the
BICU board, which carries out the following processes on the image data:
1. Auto shading
2. Filtering (MTF and smoothing)
3. Magnification
4. γ correction
5. Grayscale processing
6. Binary picture processing
7. Error diffusion
8. Dithering
9. Video path control
10. Test pattern generation
The image data then goes to the HDD.
HDD
Controller
SBU
SIB
Mother Board
IPU
BICU
FCI
GAVD
LD
Driver
LDDR
LD 1
LD 2
B195D906.WMF
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