General Image Processing Flow Chart - Ricoh Aficio 240W Service Manual

IMAGE PROCESSING

6.3.2 GENERAL IMAGE PROCESSING FLOW CHART

Image processing is done in the IPU and Ri-10 image processors on the IPU
board.
Signal from CIS
Sub Scan Magnification
Shading Correction
Image Processing
B125
IPU
Conversion
Filtering
Ri-10
VDB/LPH
IPU
- Create standard data for white
shading correction
- White shading correction processing
- Main scan image shift
- Main scan magnification
- MTF filtering
- Smoothing
- Independent dot erasure
- Line width correction
- Gamma correction
- Binary processing
- Dither processing
6-14
Application
B125D512.WMF
SM