Ricoh A-C4 - Page 403

IMAGE PROCESSING 20 June 2005
6-22
General Image Processing Flow
Signals from SBU
Processing conducted as required.
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Shading Correction
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Pre- Filter Background
Erase
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Pre-Filter Smoothing
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Main Scan
Magnification
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(Text/Photo, Photo)
Primary Compression,
Decompression
Controller
Independent Dot Erase HDD
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Filtering
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(Text, Pale, Generation)
Secondary Compression,
Decompression
γ Coefficient
Sent to HDD
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Video Control Scanner/Printer Application
Grayscale Processing FCU
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FAX Application
LD Unit